CN116465240B - High-temperature-resistant composite soaking plate and preparation method thereof - Google Patents

High-temperature-resistant composite soaking plate and preparation method thereof Download PDF

Info

Publication number
CN116465240B
CN116465240B CN202310429585.8A CN202310429585A CN116465240B CN 116465240 B CN116465240 B CN 116465240B CN 202310429585 A CN202310429585 A CN 202310429585A CN 116465240 B CN116465240 B CN 116465240B
Authority
CN
China
Prior art keywords
upper shell
lower shell
shell
temperature
resistant composite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202310429585.8A
Other languages
Chinese (zh)
Other versions
CN116465240A (en
Inventor
刘和平
赵勇
陈荐
任延杰
刘娟
李佳
周立波
李聪
易斌
金志文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Tianyi Hi Tech Material Manufacture Co ltd
Original Assignee
Hunan Tianyi Hi Tech Material Manufacture Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Tianyi Hi Tech Material Manufacture Co ltd filed Critical Hunan Tianyi Hi Tech Material Manufacture Co ltd
Priority to CN202310429585.8A priority Critical patent/CN116465240B/en
Publication of CN116465240A publication Critical patent/CN116465240A/en
Application granted granted Critical
Publication of CN116465240B publication Critical patent/CN116465240B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
    • F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/06—Metallic powder characterised by the shape of the particles
    • B22F1/062—Fibrous particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/002—Manufacture of articles essentially made from metallic fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/1003—Use of special medium during sintering, e.g. sintering aid
    • B22F3/1007—Atmosphere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/067—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds comprising a particular metallic binder
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
    • C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
    • C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
    • B22F2009/045—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by other means than ball or jet milling
    • B22F2009/046—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by other means than ball or jet milling by cutting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Abstract

The invention provides a high-temperature-resistant composite soaking plate and a preparation method thereof, wherein the high-temperature-resistant composite soaking plate comprises an upper shell and a lower shell, a capillary structure is arranged on the inner side of the upper shell, the capillary structure is provided with a plurality of through holes, support columns are arranged between the upper shell and the lower shell, and pass through the through holes and are respectively connected with the upper shell and the lower shell; the thickness of the upper shell and the lower shell is 0.3-1.0 mm, the capillary structure is copper fiber, the length-diameter ratio L/D of the copper fiber is 20-30, and the diameter of the copper fiber is not more than 0.05mm. The invention provides a high-temperature-resistant composite vapor chamber, which improves the heat dissipation performance and the high-temperature resistance of the vapor chamber by reasonably arranging the structure of the vapor chamber and selecting proper materials for combination. The soaking plate provided by the invention has great economic benefit in solving the current situations of heat dissipation and high temperature difference resistance of the existing soaking plate.

Description

High-temperature-resistant composite soaking plate and preparation method thereof
Technical Field
The invention belongs to the technical field of heat dissipation, and particularly relates to a high-temperature-resistant composite soaking plate and a preparation method thereof.
Background
In recent years, portable electronic devices have been developed to have high performance, light weight, and thin profile, and heat generated during operation of the electronic devices has also directly affected performance and reliability of the electronic products. Experiments prove that the reliability is reduced by 10 percent when the temperature of the electronic component is increased by 2 ℃; the lifetime at a temperature rise of 50℃is only 1/6 of that at a temperature rise of 25 ℃. In order to meet the requirements of users on increasing functions, services, performances and the like, the power density of optical communication equipment is higher and higher, and researches show that the heat flux density of the surface of an optical transmission core chip is higher than 100W/cm 2 The operating temperature of the device is already very close to the critical temperature, and heat dissipation becomes a problem to be solved by electronic equipment. The vapor chamber has the advantages of higher shape adaptability, high heat flux density and the like, and the shape is very favorable for radiating a concentrated heat source. The existing soaking plate has unsatisfactory heat dissipation performance, and besides good heat conductivity, the soaking plate is easy to cause premature oxidization and failure of the soaking plate in a high-temperature working state, so that the oxidation resistance and the high-temperature resistance of the soaking plate are required to be further improved. Patent CN 112760544A discloses a high-temperature resistant soaking plate formula for a 3D glass hot bending machine, which comprises the following material components: nickel, spherical alumina powder, tungsten carbide powder, and a preparation process thereof. The soaking plate structure of the patent has poor heat dissipation performance, the formula is not obvious in improvement of oxidation resistance effect, the preparation process is very complex, and the practical popularization and application have corresponding difficulties. On the basis, the novel high-performance vapor chamber is provided, and the problem needs to be solved urgently.
Disclosure of Invention
The invention aims to provide a high-temperature-resistant composite soaking plate and a preparation method thereof, and the soaking plate has high heat dissipation performance, high hardness and high strength and has high temperature resistance.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a high-temperature-resistant composite vapor chamber, which comprises an upper shell and a lower shell, wherein a capillary structure is arranged on the inner side of the upper shell, the capillary structure is provided with a plurality of through holes, support columns are arranged between the upper shell and the lower shell, and pass through the through holes and are respectively connected with the upper shell and the lower shell; the thickness of the upper shell and the lower shell is 0.3-1.0 mm, the capillary structure is copper fiber, the length-diameter ratio L/D of the copper fiber is 20-30, and the diameter of the copper fiber is not more than 0.05mm.
In order to optimize the network structure of the copper fiber and further improve the heat dissipation performance of the capillary structure, the invention limits the length-diameter ratio and the diameter of the copper fiber.
In order to improve the heat resistance of the capillary structure and the heat dissipation, the copper fiber is further prepared by turning a zirconium copper alloy rod by a multi-tooth cutter, and the cutting depth is 0.1mm; the chemical components of the copper fiber comprise: zirconium 0.1-0.2 wt% and copper balance; the total impurity is less than or equal to 0.1wt%. Zirconium copper alloy rods were purchased from Shanghai, beneficial excitation metal materials, inc., code: 2.1580. the specific copper fiber used in the invention has the advantages of rough surface and uneven section, the surface of the copper fiber forms a micro/nano-scale antler-shaped structure, the specific surface area of the copper fiber is large, the surface energy is reduced, the heat exchange coefficient between metal fibers is improved, the heat exchange performance of the vapor chamber is improved, and the heat dissipation speed is improved.
Further, the materials of the upper shell and the lower shell comprise the following components in percentage by weight: cr (Cr) 3 C 2 2 to 2.5 percent of Ni 2.5 to 3.5 percent of Cu4 to 4.5 percent of Co 2.5 to 3.5 percent of WC powder and the balance.
Further, the particle size of WC powder is 100-700 nm; cr (Cr) 3 C 2 The alloy comprises 88 to 91 weight percent of Cr, 9 to 11 weight percent of C and the balance of impurities. Cr (Cr) 3 C 2 Purchased from Shanghai kappaphycus alvarezii, inc. WC powder is purchased from Jiangsu Xianfeng nano material familyTechnology Co., ltd.
Further, the preparation steps of the materials of the upper shell and the lower shell comprise:
(1) WC powder and Cr 3 C 2 Wet milling with a ball mill at a rotation speed of 35-38r/min for 35-40h,
(2) Continuously adding Cu, ni and Co, continuously performing wet grinding, wherein the rotating speed of a ball mill is 35-38r/min, and the ball milling time is 40-45h;
(3) And (3) compacting the material in the step (2), and then sintering in vacuum to obtain the material of the upper shell and the lower shell.
Further, the density of the pressed compact in the step (3) is 8.0-8.5g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the Sintering under vacuum condition of 12-14Pa, sintering temperature of 1500-1520 deg.C, and final temperature holding time of 2-2.5h.
Further, the materials of the upper shell and the lower shell comprise the following components in percentage by weight: cr (Cr) 3 C 2 2.3%, ni 3.1%, cu4.4%, co 3.1%, and WC powder as the rest.
Further, the rotational speed of the ball mill in the step (1) is 36r/min, the wet milling time is 36h, the rotational speed of the ball mill in the step (2) is 35r/min, and the ball milling time is 45h.
The shell is prepared from a composite metal material, the thermal conductivity of the shell and the oxidation resistance at high temperature are improved, the high temperature resistance and the heat dissipation performance of the material are improved, the service life of the material is prolonged, the inventor conjectures that the oxidation resistance of the material prepared by the invention at high temperature is controlled by the reaction at the interface of an oxide layer/a matrix, through the collocation of the metal components, a more compact metal oxide is formed in the selective oxidation process of a bonding phase, and the excellent oxidation resistance prevents oxygen from diffusing inwards to the interface of the oxide layer/the matrix, so that the further oxidation of the matrix is inhibited, and the high temperature resistance of a vapor chamber is improved. Meanwhile, the composition and the preparation process of the invention are matched to ensure that the overall performance of the material is more excellent.
The second aspect of the invention provides a preparation method of the high-temperature-resistant composite vapor chamber,
(1) Preparing copper fibers and materials of an upper shell and a lower shell; preparing a capillary structure, an upper shell and a lower shell;
(2) Fixing one surface of the capillary structure facing the lower shell with the upper shell; and arranging a support column between the upper shell and the lower shell, and integrally sintering the upper shell, the lower shell and the support column.
Further, the upper shell, the lower shell and the support column are integrally sintered by spot coating nickel powder or copper powder.
In order to improve the welding firmness, further, nickel powder is coated between the upper shell, the lower shell and the support column in a spot manner to be integrally sintered. The inventors found that the bonding property of the nickel powder to the materials of the upper and lower cases of the present invention was better and the soaking plate was stronger.
Compared with the prior art, the invention has the advantages that:
the invention provides a high-temperature-resistant composite vapor chamber, the components of the shell realize synergistic effect through reasonable collocation, the component proportion is reasonable, the performance of materials is greatly improved, and the preparation process is simple to operate and easy to popularize. According to the invention, through the structure of the soaking plate and the combination of the material and the process, the heat dissipation performance, the oxidation resistance and the high temperature resistance of the soaking plate are improved. The capillary structure is more stable in arrangement, and meanwhile, the heat dissipation performance of the capillary structure of the copper fiber prepared by specific materials and processes is obviously improved. The upper shell and the lower shell of the invention have high hardness and strength, and have very good oxidation resistance at high temperature, so that the upper shell and the lower shell are not easy to lose efficacy at high temperature, have high temperature resistance, and prolong the service time. The soaking plate provided by the invention has great economic benefit in solving the current situations of heat dissipation and high temperature difference resistance of the existing soaking plate.
Drawings
FIG. 1 is a schematic structural diagram of a high temperature resistant composite vapor chamber;
wherein, 1, upper shell; 2. a lower housing; 3. a support column; 4. a capillary structure.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The utility model provides a high temperature resistant compound vapor chamber, includes casing 1 and lower casing 2, the casing 1 inboard is equipped with capillary structure 4 on, capillary structure 4 is equipped with a plurality of through-holes, be equipped with support column 3 between casing 1 and the lower casing 2, support column 3 passes the through-hole, is connected with casing 1 and lower casing 2 respectively.
The capillary structure 4 is copper fiber, the length-diameter ratio L/D of the copper fiber is 20-30, and the diameter of the copper fiber is not more than 0.05mm. The copper fiber is prepared by turning a zirconium copper alloy rod through a multi-tooth cutter, and the cutting depth is 0.1mm; the chemical components of the copper fiber comprise: zirconium 0.1-0.2 wt% and copper balance; the total impurity is less than or equal to 0.1wt%.
The thickness of the upper shell 1 and the lower shell 2 is 0.3-1.0 mm, and the materials of the upper shell and the lower shell comprise the following components in percentage by weight: cr (Cr) 3 C 2 2.5%, ni 2.5%, cu 4%, co2.9%, and WC powder as the rest. Wherein the particle size of WC powder is 100-700 nm; cr (Cr) 3 C 2 The alloy comprises 88 to 91 weight percent of Cr, 9 to 11 weight percent of C and the balance of impurities. The preparation steps of the materials of the upper shell and the lower shell comprise: (1) WC powder and Cr 3 C 2 Wet milling with a ball mill at a rotation speed of 36r/min for 36h, (2) continuously adding Cu, ni and Co, continuously wet milling at a rotation speed of 35r/min for 45h. (3) Compacting the material in the step (2), and then sintering in vacuum to obtain the material of the upper shell and the lower shell; the density of the compact was 8.3g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the Sintering under 13Pa vacuum state, sintering temperature is 1510 ℃, and final temperature holding time is 2.2h.
The embodiment provides a preparation method of a high-temperature-resistant composite vapor chamber, which comprises the following steps:
(1) Preparing copper fibers and materials of an upper shell and a lower shell; preparing a capillary structure, an upper shell and a lower shell;
(2) Fixing one surface of the capillary structure facing the lower shell with the upper shell; and a support column is arranged between the upper shell and the lower shell, and nickel powder is spot-coated between the upper shell, the lower shell and the support column for integral sintering.
Example 2
The utility model provides a high temperature resistant compound vapor chamber, includes casing 1 and lower casing 2, the casing 1 inboard is equipped with capillary structure 4 on, capillary structure 4 is equipped with a plurality of through-holes, be equipped with support column 3 between casing 1 and the lower casing 2, support column 3 passes the through-hole, is connected with casing 1 and lower casing 2 respectively.
The capillary structure 4 is copper fiber, the length-diameter ratio L/D of the copper fiber is 20-30, and the diameter of the copper fiber is not more than 0.05mm. The copper fiber is prepared by turning a zirconium copper alloy rod through a multi-tooth cutter, and the cutting depth is 0.1mm; the chemical components of the copper fiber comprise: zirconium 0.1-0.2 wt% and copper balance; the total impurity is less than or equal to 0.1wt%.
The thickness of the upper shell 1 and the lower shell 2 is 0.3-1.0 mm, and the materials of the upper shell and the lower shell comprise the following components in percentage by weight: cr (Cr) 3 C 2 2.3%, ni 3.1%, cu4.4%, co 3.1%, and WC powder as the rest. Wherein the particle size of WC powder is 100-700 nm; cr (Cr) 3 C 2 The alloy comprises 88 to 91 weight percent of Cr, 9 to 11 weight percent of C and the balance of impurities. The preparation steps of the materials of the upper shell and the lower shell comprise: (1) WC powder and Cr 3 C 2 Wet milling with a ball mill at a rotation speed of 36r/min for 36h, (2) continuously adding Cu, ni and Co, continuously wet milling at a rotation speed of 35r/min for 45h. (3) Compacting the material in the step (2), and then sintering in vacuum to obtain the material of the upper shell and the lower shell; the density of the compact was 8.3g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the Sintering under 13Pa vacuum state, sintering temperature is 1510 ℃, and final temperature holding time is 2.2h.
The embodiment provides a preparation method of a high-temperature-resistant composite vapor chamber, which comprises the following steps:
(1) Preparing copper fibers and materials of an upper shell and a lower shell; preparing a capillary structure, an upper shell and a lower shell;
(2) Fixing one surface of the capillary structure facing the lower shell with the upper shell; and a support column is arranged between the upper shell and the lower shell, and nickel powder is spot-coated between the upper shell, the lower shell and the support column for integral sintering.
Example 3
The utility model provides a high temperature resistant compound vapor chamber, includes casing 1 and lower casing 2, the casing 1 inboard is equipped with capillary structure 4 on, capillary structure 4 is equipped with a plurality of through-holes, be equipped with support column 3 between casing 1 and the lower casing 2, support column 3 passes the through-hole, is connected with casing 1 and lower casing 2 respectively.
The capillary structure 4 is copper fiber, and is purchased from Jiangxi Shuobang new material, specification model SB-CUM.
The thickness of the upper shell 1 and the lower shell 2 is 0.3-1.0 mm, and the materials of the upper shell and the lower shell comprise the following components in percentage by weight: cr (Cr) 3 C 2 2.3%, ni 3.1%, cu4.4%, co 3.1%, and WC powder as the rest. Wherein the particle size of WC powder is 100-700 nm; cr (Cr) 3 C 2 The alloy comprises 88 to 91 weight percent of Cr, 9 to 11 weight percent of C and the balance of impurities. The preparation steps of the materials of the upper shell and the lower shell comprise: (1) WC powder and Cr 3 C 2 Wet milling with a ball mill at a rotation speed of 36r/min for 36h, (2) continuously adding Cu, ni and Co, continuously wet milling at a rotation speed of 35r/min for 45h. (3) Compacting the material in the step (2), and then sintering in vacuum to obtain the material of the upper shell and the lower shell; the density of the compact was 8.3g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the Sintering under 13Pa vacuum state, sintering temperature is 1510 ℃, and final temperature holding time is 2.2h.
The embodiment provides a preparation method of a high-temperature-resistant composite vapor chamber, which comprises the following steps:
(1) Preparing copper fibers and materials of an upper shell and a lower shell; preparing a capillary structure, an upper shell and a lower shell;
(2) Fixing one surface of the capillary structure facing the lower shell with the upper shell; and a support column is arranged between the upper shell and the lower shell, and nickel powder is spot-coated between the upper shell, the lower shell and the support column for integral sintering.
Example 4
The utility model provides a high temperature resistant compound vapor chamber, includes casing 1 and lower casing 2, the casing 1 inboard is equipped with capillary structure 4 on, capillary structure 4 is equipped with a plurality of through-holes, be equipped with support column 3 between casing 1 and the lower casing 2, support column 3 passes the through-hole, is connected with casing 1 and lower casing 2 respectively.
The capillary structure 4 is copper fiber, the length-diameter ratio L/D of the copper fiber is 40-60, and the diameter of the copper fiber is not more than 0.1mm. The copper fiber is prepared by turning a zirconium copper alloy rod through a multi-tooth cutter, and the cutting depth is 0.2mm; the chemical components of the copper fiber comprise: zirconium 0.1-0.2 wt% and copper balance; the total impurity is less than or equal to 0.1wt%.
The thickness of the upper shell 1 and the lower shell 2 is 0.3-1.0 mm, and the materials of the upper shell and the lower shell comprise the following components in percentage by weight: cr (Cr) 3 C 2 2.3%, ni 3.1%, cu4.4%, co 3.1%, and WC powder as the rest. Wherein the particle size of WC powder is 100-700 nm; cr (Cr) 3 C 2 The alloy comprises 88 to 91 weight percent of Cr, 9 to 11 weight percent of C and the balance of impurities. The preparation steps of the materials of the upper shell and the lower shell comprise: (1) WC powder and Cr 3 C 2 Wet milling with a ball mill at a rotation speed of 36r/min for 36h, (2) continuously adding Cu, ni and Co, continuously wet milling at a rotation speed of 35r/min for 45h. (3) Compacting the material in the step (2), and then sintering in vacuum to obtain the material of the upper shell and the lower shell; the density of the compact was 8.3g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the Sintering under 13Pa vacuum state, sintering temperature is 1510 ℃, and final temperature holding time is 2.2h.
The embodiment provides a preparation method of a high-temperature-resistant composite vapor chamber, which comprises the following steps:
(1) Preparing copper fibers and materials of an upper shell and a lower shell; preparing a capillary structure, an upper shell and a lower shell;
(2) Fixing one surface of the capillary structure facing the lower shell with the upper shell; and a support column is arranged between the upper shell and the lower shell, and nickel powder is spot-coated between the upper shell, the lower shell and the support column for integral sintering.
Example 5
The utility model provides a high temperature resistant compound vapor chamber, includes casing 1 and lower casing 2, the casing 1 inboard is equipped with capillary structure 4 on, capillary structure 4 is equipped with a plurality of through-holes, be equipped with support column 3 between casing 1 and the lower casing 2, support column 3 passes the through-hole, is connected with casing 1 and lower casing 2 respectively.
The capillary structure 4 is copper fiber, the length-diameter ratio L/D of the copper fiber is 20-30, and the diameter of the copper fiber is not more than 0.05mm. The copper fiber is prepared by turning a zirconium copper alloy rod through a multi-tooth cutter, and the cutting depth is 0.1mm; the chemical components of the copper fiber comprise: zirconium 0.1-0.2 wt% and copper balance; the total impurity is less than or equal to 0.1wt%.
The thickness of the upper shell 1 and the lower shell 2 is 0.3-1.0 mm, and the materials of the upper shell and the lower shell comprise the following components in percentage by weight: cr (Cr) 3 C 2 3.2%, ni 5.5%, cu4.9%, co 2.0%, and WC powder as the rest. Wherein the particle size of WC powder is 100-700 nm; cr (Cr) 3 C 2 The alloy comprises 88 to 91 weight percent of Cr, 9 to 11 weight percent of C and the balance of impurities. The preparation steps of the materials of the upper shell and the lower shell comprise: (1) WC powder and Cr 3 C 2 Wet milling with a ball mill at a rotation speed of 36r/min for 36h, (2) continuously adding Cu, ni and Co, continuously wet milling at a rotation speed of 35r/min for 45h. (3) Compacting the material in the step (2), and then sintering in vacuum to obtain the material of the upper shell and the lower shell; the density of the compact was 8.3g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the Sintering under 13Pa vacuum state, sintering temperature is 1510 ℃, and final temperature holding time is 2.2h.
The embodiment provides a preparation method of a high-temperature-resistant composite vapor chamber, which comprises the following steps:
(1) Preparing copper fibers and materials of an upper shell and a lower shell; preparing a capillary structure, an upper shell and a lower shell;
(2) Fixing one surface of the capillary structure facing the lower shell with the upper shell; and a support column is arranged between the upper shell and the lower shell, and nickel powder is spot-coated between the upper shell, the lower shell and the support column for integral sintering.
Example 6
The utility model provides a high temperature resistant compound vapor chamber, includes casing 1 and lower casing 2, the casing 1 inboard is equipped with capillary structure 4 on, capillary structure 4 is equipped with a plurality of through-holes, be equipped with support column 3 between casing 1 and the lower casing 2, support column 3 passes the through-hole, is connected with casing 1 and lower casing 2 respectively.
The capillary structure 4 is copper fiber, the length-diameter ratio L/D of the copper fiber is 20-30, and the diameter of the copper fiber is not more than 0.05mm. The copper fiber is prepared by turning a zirconium copper alloy rod through a multi-tooth cutter, and the cutting depth is 0.1mm; the chemical components of the copper fiber comprise: zirconium 0.1-0.2 wt% and copper balance; the total impurity is less than or equal to 0.1wt%.
The thickness of the upper shell 1 and the lower shell 2 is 0.3-1.0 mm, and the materials of the upper shell and the lower shell comprise the following components in percentage by weight: cr (Cr) 3 C 2 2.3%, ni 3.1%, cu4.4%, co 3.1%, and WC powder as the rest. Wherein the particle size of WC powder is 100-700 nm; cr (Cr) 3 C 2 The alloy comprises 88 to 91 weight percent of Cr, 9 to 11 weight percent of C and the balance of impurities. The preparation steps of the materials of the upper shell and the lower shell comprise: (1) WC powder and Cr 3 C 2 Wet milling with a ball mill at a rotation speed of 36r/min for 36h, (2) continuously adding Cu, ni and Co, continuously wet milling at a rotation speed of 35r/min for 45h. (3) Compacting the material in the step (2), and then sintering in vacuum to obtain the material of the upper shell and the lower shell; the density of the compact was 8.3g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the Sintering under 13Pa vacuum state, sintering temperature is 1510 ℃, and final temperature holding time is 2.2h.
The embodiment provides a preparation method of a high-temperature-resistant composite vapor chamber, which comprises the following steps:
(1) Preparing copper fibers and materials of an upper shell and a lower shell; preparing a capillary structure, an upper shell and a lower shell;
(2) Fixing one surface of the capillary structure facing the lower shell with the upper shell; and a support column is arranged between the upper shell and the lower shell, and nickel powder is spot-coated between the upper shell, the lower shell and the support column for integral sintering.
Example 7
The utility model provides a high temperature resistant compound vapor chamber, includes casing 1 and lower casing 2, the casing 1 inboard is equipped with capillary structure 4 on, capillary structure 4 is equipped with a plurality of through-holes, be equipped with support column 3 between casing 1 and the lower casing 2, support column 3 passes the through-hole, is connected with casing 1 and lower casing 2 respectively.
The capillary structure 4 is copper fiber, the length-diameter ratio L/D of the copper fiber is 20-30, and the diameter of the copper fiber is not more than 0.05mm. The copper fiber is prepared by turning a zirconium copper alloy rod through a multi-tooth cutter, and the cutting depth is 0.1mm; the chemical components of the copper fiber comprise: zirconium 0.1-0.2 wt% and copper balance; the total impurity is less than or equal to 0.1wt%.
The thickness of the upper shell 1 and the lower shell 2 is 0.3-1.0 mm, and the materials of the upper shell and the lower shell comprise the following components in percentage by weight: cr (Cr) 3 C 2 2.3%, ni 3.1%, cu4.4%, co 3.1%, and WC powder as the rest. Wherein the particle size of WC powder is 100-700 nm; cr (Cr) 3 C 2 The alloy comprises 88 to 91 weight percent of Cr, 9 to 11 weight percent of C and the balance of impurities. The preparation steps of the materials of the upper shell and the lower shell comprise: (1) WC powder and Cr 3 C 2 Wet milling with a ball mill at a rotation speed of 36r/min for 36h, (2) continuously adding Cu, ni and Co, continuously wet milling at a rotation speed of 35r/min for 45h. (3) Compacting the material in the step (2), and then sintering in vacuum to obtain the material of the upper shell and the lower shell; the density of the compact was 9.5g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the Sintering under 10Pa vacuum state, sintering temperature is 1450 ℃, and final temperature holding time is 1h.
The embodiment provides a preparation method of a high-temperature-resistant composite vapor chamber, which comprises the following steps:
(1) Preparing copper fibers and materials of an upper shell and a lower shell; preparing a capillary structure, an upper shell and a lower shell;
(2) Fixing one surface of the capillary structure facing the lower shell with the upper shell; and a support column is arranged between the upper shell and the lower shell, and nickel powder is spot-coated between the upper shell, the lower shell and the support column for integral sintering.
Example 8
The utility model provides a high temperature resistant compound vapor chamber, includes casing 1 and lower casing 2, the casing 1 inboard is equipped with capillary structure 4 on, capillary structure 4 is equipped with a plurality of through-holes, be equipped with support column 3 between casing 1 and the lower casing 2, support column 3 passes the through-hole, is connected with casing 1 and lower casing 2 respectively.
The capillary structure 4 is copper fiber, the length-diameter ratio L/D of the copper fiber is 20-30, and the diameter of the copper fiber is not more than 0.05mm. The copper fiber is prepared by turning a zirconium copper alloy rod through a multi-tooth cutter, and the cutting depth is 0.1mm; the chemical components of the copper fiber comprise: zirconium 0.1-0.2 wt% and copper balance; the total impurity is less than or equal to 0.1wt%.
The thickness of the upper shell 1 and the lower shell 2 is 0.3-1.0 mm, and the materials of the upper shell and the lower shell comprise the following components in percentage by weight: cr (Cr) 3 C 2 2.3%, ni 3.1%, cu4.4%, co 3.1%, and WC powder as the rest. Wherein the particle size of WC powder is 100-700 nm; cr (Cr) 3 C 2 The alloy comprises 88 to 91 weight percent of Cr, 9 to 11 weight percent of C and the balance of impurities. The preparation steps of the materials of the upper shell and the lower shell comprise: WC powder, cu, ni and Co, and Cr 3 C 2 Wet milling is carried out by using a ball mill, the rotating speed of the ball mill is 40r/min, the wet milling time is 40h, and the ball milling is carried out under the same condition once after the first time is finished. Compacting the materials, and then sintering in vacuum to obtain materials of an upper shell and a lower shell; the density of the compact was 8.3g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the Sintering under 13Pa vacuum state, sintering temperature is 1510 ℃, and final temperature holding time is 2.2h.
The embodiment provides a preparation method of a high-temperature-resistant composite vapor chamber, which comprises the following steps:
(1) Preparing copper fibers and materials of an upper shell and a lower shell; preparing a capillary structure, an upper shell and a lower shell;
(2) Fixing one surface of the capillary structure facing the lower shell with the upper shell; and a support column is arranged between the upper shell and the lower shell, and nickel powder is spot-coated between the upper shell, the lower shell and the support column for integral sintering.
Performance testing
The soaking plates of examples 1 to 8 were subjected to comparison of 100h and 900 ℃ high temperature oxidation weight gain tests, and physical property comparison, respectively, and the results are shown in Table 1.
TABLE 1 soaking plate Performance test results
As can be seen from the table, the soaking plate provided by the invention has better high temperature resistance, better heat dissipation, high hardness and impact resistance, effectively ensures the quality of the soaking plate, and can be widely applied to various products. Therefore, the soaking plate prepared by the invention has wider market prospect and is suitable for popularization.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.

Claims (9)

1. The high-temperature-resistant composite vapor chamber is characterized by comprising an upper shell and a lower shell, wherein a capillary structure is arranged on the inner side of the upper shell, the capillary structure is provided with a plurality of through holes, support columns are arranged between the upper shell and the lower shell, and pass through the through holes and are respectively connected with the upper shell and the lower shell; the thickness of the upper shell and the lower shell is 0.3-1.0 mm, the capillary structure is copper fiber, the length-diameter ratio L/D of the copper fiber is 20-30, and the diameter of the copper fiber is not largeAt 0.05mm, the materials of the upper shell and the lower shell comprise the following components in percentage by weight: cr (Cr) 3 C 2 2-2.5%, 2.5-3.5% of Ni, 4-4.5% of Cu, 2.5-3.5% of Co and the balance of WC powder.
2. The high temperature resistant composite soaking plate according to claim 1, wherein the copper fiber is manufactured by turning a zirconium copper alloy rod by a multi-tooth cutter, and the cutting depth is 0.1mm; the chemical components of the copper fiber comprise: 0.1-0.2wt% of zirconium and the balance of copper; the total impurity is less than or equal to 0.1wt%.
3. The high-temperature-resistant composite vapor chamber of claim 2, wherein the particle size of WC powder is 100-700 nm; cr (Cr) 3 C 2 The alloy comprises 88-91 wt% of Cr, 9-11 wt% of C and Cr 3 C 2 The balance of less than 100% Cr and C is impurities.
4. The high temperature resistant composite soaking plate according to claim 2, wherein the preparation steps of the materials of the upper and lower cases comprise:
(1) WC powder and Cr 3 C 2 Wet milling by using a ball mill, wherein the rotating speed of the ball mill is 35-38r/min, and the wet milling time is 35-40h;
(2) Continuously adding Cu, ni and Co, continuously performing wet grinding, wherein the rotating speed of a ball mill is 35-38r/min, and the ball milling time is 40-45h;
(3) And (3) compacting the material in the step (2), and then sintering in vacuum to obtain the material of the upper shell and the lower shell.
5. The high temperature resistant composite soaking plate according to claim 4, wherein the density of the pressed compact in the step (3) is 8.0-8.5g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the Sintering under vacuum condition of 12-14Pa, sintering temperature of 1500-1520 deg.C, and final temperature holding time of 2-2.5h.
6. The high temperature resistant composite vapor chamber of claim 2, wherein said upper shellThe materials of the body and the lower shell comprise the following components in percentage by weight: cr (Cr) 3 C 2 2.3%, ni 3.1%, cu4.4%, co 3.1%, and WC powder as the rest.
7. The high-temperature-resistant composite soaking plate according to claim 4, wherein the rotating speed of the ball mill in the step (1) is 36r/min, the wet milling time is 36h, the rotating speed of the ball mill in the step (2) is 35r/min, and the ball milling time is 45h.
8. The method for preparing the high-temperature-resistant composite vapor chamber according to any one of claims 1 to 7, which is characterized by comprising the following steps:
(1) Preparing copper fibers and materials of an upper shell and a lower shell; preparing a capillary structure, an upper shell and a lower shell;
(2) The capillary structure faces one surface of the lower shell and is fixed with the upper shell; and arranging a support column between the upper shell and the lower shell, and integrally sintering the upper shell, the lower shell and the support column.
9. The method for preparing the high-temperature resistant composite vapor chamber according to claim 8, wherein nickel powder or copper powder is coated between the upper shell, the lower shell and the support column for integral sintering.
CN202310429585.8A 2023-04-21 2023-04-21 High-temperature-resistant composite soaking plate and preparation method thereof Active CN116465240B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310429585.8A CN116465240B (en) 2023-04-21 2023-04-21 High-temperature-resistant composite soaking plate and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310429585.8A CN116465240B (en) 2023-04-21 2023-04-21 High-temperature-resistant composite soaking plate and preparation method thereof

Publications (2)

Publication Number Publication Date
CN116465240A CN116465240A (en) 2023-07-21
CN116465240B true CN116465240B (en) 2024-02-09

Family

ID=87173034

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310429585.8A Active CN116465240B (en) 2023-04-21 2023-04-21 High-temperature-resistant composite soaking plate and preparation method thereof

Country Status (1)

Country Link
CN (1) CN116465240B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101334250A (en) * 2007-06-26 2008-12-31 张复佳 Superconductor component and its implantation process
CN101639331A (en) * 2008-07-31 2010-02-03 富准精密工业(深圳)有限公司 Method for manufacturing flat-plate heat tube
CN101680070A (en) * 2007-03-30 2010-03-24 阿塞洛米塔尔不锈钢镍合金公司 Austenitic iron/nickel/chromium/copper alloy
CN108277413A (en) * 2018-02-28 2018-07-13 湖南天益高技术材料制造有限公司 A kind of 3D glass heats bender high temperature resistant soaking plate and its manufacturing process
CN113437034A (en) * 2021-08-25 2021-09-24 中兴通讯股份有限公司 Temperature equalization plate and electronic equipment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002364962A1 (en) * 2001-12-05 2003-06-23 Baker Hughes Incorporated Consolidated hard materials, methods of manufacture, and applications
GB2459272A (en) * 2008-04-15 2009-10-21 Element Six Diamond enhanced carbide type materials

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101680070A (en) * 2007-03-30 2010-03-24 阿塞洛米塔尔不锈钢镍合金公司 Austenitic iron/nickel/chromium/copper alloy
CN101334250A (en) * 2007-06-26 2008-12-31 张复佳 Superconductor component and its implantation process
CN101639331A (en) * 2008-07-31 2010-02-03 富准精密工业(深圳)有限公司 Method for manufacturing flat-plate heat tube
CN108277413A (en) * 2018-02-28 2018-07-13 湖南天益高技术材料制造有限公司 A kind of 3D glass heats bender high temperature resistant soaking plate and its manufacturing process
CN113437034A (en) * 2021-08-25 2021-09-24 中兴通讯股份有限公司 Temperature equalization plate and electronic equipment

Also Published As

Publication number Publication date
CN116465240A (en) 2023-07-21

Similar Documents

Publication Publication Date Title
CN106424713B (en) A kind of copper carbon composite and preparation method thereof
CN101707153B (en) Preparation method of fine-particle stannic oxide reinforced Ag-based electrical contact material
CN102176336B (en) Preparation method of silver-based oxide electrical contact material with filamentary structure
CN101613816A (en) Multiple dispersion strengthening copper-base composite material prepared in situ and preparation method thereof
CN111636061A (en) Preparation method for producing CuCr composite contact through batch type laser cladding
CN104018019B (en) A kind of ZrB2The preparation method of/Cu composite
CN116465240B (en) High-temperature-resistant composite soaking plate and preparation method thereof
CN103151186B (en) A kind of preparation method of the composited contact material for chopper
CN108015276B (en) A kind of reinforced phase gradient distribution infiltration class silver-based electric contact material and preparation method thereof
CN101707156B (en) Method for preparing Ag-ZnO-doped electrical contact material
CN101950696B (en) Manufacturing method of silver tin oxide contact alloy material
CN108823444B (en) Short-process preparation method of copper-carbon composite material
CN103938018A (en) Preparation method of Al2O3 dispersion strengthened copper alloy
CN112662978B (en) Coating for tungsten-copper alloy material and preparation method thereof
JP2002216807A (en) Air electrode collector for solid electrolyte type fuel cell
CN107282932A (en) A kind of Al2O3The preparation method of dispersion-strengthened Cu base oil containing bearing
CN112063880B (en) Copper-based powder metallurgy pantograph sliding plate material for monorail car and preparation method thereof
CN100562956C (en) The manufacture method of high temperature resistant silver oxide contact tip material
CN100552845C (en) Silver-based tin oxide gradient electric contact material and preparation method
JP4406820B2 (en) Oxygen electrode current collector of solid oxide fuel cell
CN102181676A (en) Preparation technology of AI203/Cu composite material
CN101648313A (en) Nozzle made of composite material for plasma welding guns and cutting guns and manufacturing method thereof
CN107305953B (en) A kind of solid oxide fuel cell composite substrate and its preparation process
JP7268136B2 (en) Silicon electrode plates, application of silicon in fuel cells, and fuel cell stack structures
CN114101666A (en) Graphene-based silver-saving electrical contact material and manufacturing method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant