CN115464152B - Method for manufacturing low-defect metal ceramic parts based on composite material additive - Google Patents
Method for manufacturing low-defect metal ceramic parts based on composite material additive Download PDFInfo
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- CN115464152B CN115464152B CN202210973532.8A CN202210973532A CN115464152B CN 115464152 B CN115464152 B CN 115464152B CN 202210973532 A CN202210973532 A CN 202210973532A CN 115464152 B CN115464152 B CN 115464152B
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- 239000000919 ceramic Substances 0.000 title claims abstract description 49
- 239000002131 composite material Substances 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 239000000654 additive Substances 0.000 title claims abstract description 36
- 230000000996 additive effect Effects 0.000 title claims abstract description 36
- 239000002184 metal Substances 0.000 title claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 88
- 239000011888 foil Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 238000007639 printing Methods 0.000 claims abstract description 9
- 230000007547 defect Effects 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 8
- 239000011159 matrix material Substances 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 4
- 230000008018 melting Effects 0.000 claims abstract description 4
- 238000001035 drying Methods 0.000 claims abstract description 3
- 239000011195 cermet Substances 0.000 claims description 8
- 239000013307 optical fiber Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000000576 coating method Methods 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005253 cladding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000011156 metal matrix composite Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 description 1
- 229910033181 TiB2 Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010288 cold spraying Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
Classifications
-
- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
- B33Y70/10—Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
-
- 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
- C22C29/14—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on borides
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention discloses a method for manufacturing low-defect metal ceramic parts based on composite material additive. The method comprises the following steps: the ceramic powder is made of TiC and TiB 2 Respectively adding the two powders in different proportions into a ball mill for mixing for 2 hours, and then putting the mixture into a vacuum oven at 60 ℃ for drying for 2 hours; compacting the dried mixed ceramic powder by a tablet press, placing the compacted mixed ceramic powder into two metal foils, and compacting the powder and the metal foils by using the pressure of 1-5Mpa to obtain a composite material for additive manufacturing; placing the composite material on the surface of a matrix, controlling a laser light source to selectively melt the pre-laid composite material, continuously laying the composite material, continuously melting, repeating 30-50 layers, and after printing is finished, obtaining the part with 90% -95% internal defects reduced. According to the invention, after the ceramic powder is compacted, two metal foils are used for coating and compressing, so that the pores among ceramic particles are effectively reduced, ceramic powder splashing in the laser additive manufacturing process is prevented, and the forming quality of parts is improved.
Description
Technical Field
The invention belongs to a 3D printing technology in the manufacturing field, and particularly relates to a method for manufacturing a low-defect metal ceramic part based on composite material additive.
Background
Good wettability between the coating material and the substrate facilitates bonding between the two, and low melting point metals and some reactive metals and related compounds are commonly used as additive manufacturing materials. In recent years, ceramic particles have received increasing attention for their excellent properties. TiC and TiB 2 The ceramic phase reinforced metal matrix composite coating has the advantages of good heat stability, high hardness, high strength, wear resistance and the like, so that the ceramic phase reinforced metal matrix composite coating is widely applied.
Wear, corrosion and fracture are three failure modes of metallic materials and are also important causes of failure and rejection of metallic mechanical components. In order to repair a mechanical part after corrosion or abrasion failure to restore the original performance or avoid premature failure and scrapping of a metal part caused by abrasion or abrasion, the surface of the mechanical part is commonly treated by technologies such as thermal spraying, cold spraying, electroplating, PVD, CVD, surfacing and the like at present so as to reuse the mechanical part after the failure and reduce or delay the abrasion or the abrasion of the metal surface. Along with the continuous development and perfection of the laser additive manufacturing technology, the laser additive manufacturing technology is gradually applied to the surface treatment of metal mechanical parts, and the service life of the mechanical parts is prolonged.
The laser additive manufacturing technology is a technology for cladding a material to be clad on the surface of a metal by adopting a prefabricated coating or synchronous feeding method under the action of a laser beam. The printing layer formed by the technology is metallurgically bonded with the matrix, so that the surface property of the material can be improved.
Disclosure of Invention
In the laser additive manufacturing process, as more gaps exist among the powder, the powder splashing phenomenon is easy to occur, the cracking or peeling phenomenon is easy to occur, and the surface forming quality is greatly reduced. In addition, the quality of the joint of the printing layers is reduced due to the reduction of the forming quality of the two adjacent printing layers, and the wear resistance, the impact resistance and other performances of the parts are greatly influenced. The invention provides a method for manufacturing a low-defect metal ceramic part based on composite material additive, which is a part with internal defects reduced by 90% -95%.
In order to solve the problems, the invention adopts the following technical scheme:
a method for manufacturing a low-defect cermet part based on composite additive, comprising the steps of:
s1, ceramic powder treatment
The ceramic powder is made of TiC and TiB 2 The two powders are respectively added into a ball mill for mixing for 2 hours according to different proportions, and then are put into a vacuum oven at 60 ℃ for drying for 2 hours, wherein TiC and TiB 2 The sum of the mass fractions of the two powders is 100%;
s2, preparation of composite material
Compacting the dried mixed ceramic powder by a tablet press, placing the compacted mixed ceramic powder into two metal foils, and compacting the powder and the metal foils by using the pressure of 1-5Mpa to obtain a composite material for additive manufacturing;
s3, laser additive manufacturing
Placing the composite material on the surface of a matrix, using a Raycus REL-A2000D optical fiber laser, controlling a laser light source to selectively melt the pre-laid composite material, continuously laying the composite material, continuously melting, repeating 30-50 layers, and after printing is finished, obtaining the part with 90% -95% internal defects reduced.
Further, the TiC powder in the step S1 has a purity of 99.99% and an average particle diameter of 40-80nm, and the TiB is 2 The purity of the powder was 99.9% and the average particle size was 1-4. Mu.m.
Further, the rotational speed of the ball mill in step S1 was 700rpm.
Further, the thickness of the metal foil in the step S2 is 0.03mm-0.1mm.
Further, the pressure of compacting the mixed ceramic powder in the step S2 is 15-100Mpa.
The beneficial effects are that:
compared with the prior art, the method for manufacturing the low-defect metal ceramic part based on the composite material additive is based on the laser additive manufacturing technology, and after ceramic powder is compacted, two metal foils are used for cladding and compressing, so that the pores among ceramic particles are effectively reduced, ceramic powder splashing in the laser additive manufacturing process is prevented, and the forming quality of the part is improved.
Drawings
FIG. 1 is a flow chart of the process of the present invention;
FIG. 2 is a schematic diagram of the powder ratio of example 1;
FIG. 3 is a schematic diagram of the powder ratio of example 2;
fig. 4 is a schematic diagram of the powder ratio of example 3.
Detailed Description
The technical proposal of the invention is that TiC and TiB 2 The powder is used as a main material and is prepared by means of a laser additive manufacturing technologyParts with better performance.
Example 1
Referring to fig. 1, a method for manufacturing a low-defect cermet part based on composite additive comprises the following steps:
s1, ceramic powder treatment
The ceramic powder consists of TiC powder with the purity of 99.99 percent and the average grain diameter of 40nm and TiB with the purity of 99.9 percent and the average grain diameter of 1 mu m 2 The powder was placed in a ball mill, milled at 700rpm for 2 hours, and then dried in a vacuum oven at 60 c for 2 hours.
As shown in fig. 2, 6 groups of powders were prepared altogether, wherein the first group was 100wt.% TiC powder; the second group was 80wt.% TiC powder with 20wt.% TiB 2 Mixing and preparing powder; the third group was 60wt.% TiC powder with 40wt.% TiB 2 Mixing and preparing powder; the fourth group was 40wt.% TiC powder with 60wt.% TiB 2 Mixing and preparing powder; the fifth group was 20wt.% TiC powder with 80wt.% TiB 2 Mixing and preparing powder; the sixth group is 100wt.% TiB 2 And (3) powder.
S2, preparation of composite material
Firstly, compacting the ceramic powder prepared in the step S1 by a tablet press with a force of 15-100 Mpa; subsequently, the compacted ceramic powder block was placed in two layers of 0.03mm metal foil, and the metal foil and ceramic powder were compacted using a small bench-type electric continuous tabletting machine to prepare the desired composite material for additive manufacturing, wherein each layer of ceramic powder had a thickness of 0.1mm.
S3, laser additive manufacturing
And (3) placing the prepared composite material on the surface of a matrix, controlling a laser source to selectively melt the pre-laid composite material by using a Raycus REL-A2000D optical fiber laser, and then continuously placing the prepared composite material layer by layer until printing is finished, so that parts with better performance are printed.
Example 2
Referring to fig. 1, a method for manufacturing a low-defect cermet part based on composite additive comprises the following steps:
s1, ceramic powder treatment
The ceramic powder consists of TiC powder with the purity of 99.99 percent and the average grain diameter of 40nm and TiB with the purity of 99.9 percent and the average grain diameter of 1 mu m 2 The powder was placed in a ball mill, milled at 700rpm for 2 hours, and then dried in a vacuum oven at 60 c for 2 hours.
As shown in fig. 3, 5 groups of powders were prepared altogether, wherein the first group was 100wt.% TiC powder; the second group was 25wt.% TiC powder with 75wt.% TiB 2 Mixing and preparing powder; the third group was 50wt.% TiC powder with 50wt.% TiB 2 Mixing and preparing powder; the fourth group was 75wt.% TiC powder with 25wt.% TiB 2 Mixing and preparing powder; the fifth group is 100wt.% TiB 2 And (3) powder.
S2, preparation of composite material
Firstly, compacting the ceramic powder prepared in the step S1 by a tablet press with a force of 15-100 Mpa; subsequently, the compacted ceramic powder block was placed in two layers of 0.04mm metal foil, and the metal foil and ceramic powder were compacted using a small bench-type electric continuous tabletting machine to prepare the desired composite for additive manufacturing. Wherein each layer of ceramic powder has a thickness of 0.12mm.
S3, laser additive manufacturing
And (3) placing the prepared composite material on the surface of a matrix, controlling a laser source to selectively melt the pre-laid composite material by using a Raycus REL-A2000D optical fiber laser, and then continuously placing the prepared composite material layer by layer until printing is finished, so that parts with good performance are printed.
Example 3
Referring to fig. 1, a method for manufacturing a low-defect cermet part based on composite additive comprises the following steps:
s1, ceramic powder treatment
The ceramic powder consists of TiC powder with the purity of 99.99 percent and the average grain diameter of 40nm and TiB with the purity of 99.9 percent and the average grain diameter of 1 mu m 2 The powder was placed in a ball mill, milled at 700rpm for 2 hours, and then dried in a vacuum oven at 60 c for 2 hours.
As shown in fig. 4, 4 groups of powders were prepared in total; wherein the first group is 100wt.% TiC powder; the second group was 33.33wt.% TiC powder with 66.67wt.% TiB 2 Mixing and preparing powder; the third group was prepared by mixing 66.67wt.% TiC powder with 33.33wt.% TiB2 powder; the fourth group is 100wt.% TiB 2 And (3) powder.
S2, preparation of composite material
Firstly, compacting the ceramic powder prepared in the step S1 by a tablet press with a force of 15-100 Mpa; subsequently, the compacted ceramic powder block was placed in two layers of 0.05mm metal foil, and the metal foil was compacted with ceramic powder using a small bench-type electric continuous tabletting machine to prepare the desired composite material for additive manufacturing, wherein each layer of ceramic powder had a thickness of 0.13mm.
S3, laser additive manufacturing
And (3) placing the prepared composite material on the surface of a matrix, controlling a laser source to selectively melt the pre-laid composite material by using a Raycus REL-A2000D optical fiber laser, and then continuously placing the prepared composite material layer by layer until printing is finished, so that parts with good performance are printed.
In summary, the invention is based on the laser additive manufacturing technology, after the ceramic powder is compacted, two metal foils are used for cladding and compressing, so that the pores among ceramic particles are effectively reduced, ceramic powder splashing in the laser additive manufacturing process is prevented, internal defects are reduced by 90% -95%, and the forming quality of the parts is improved.
Claims (4)
1. A method for manufacturing a low-defect cermet part based on composite additive, comprising the steps of:
s1, ceramic powder treatment
The ceramic powder is made of TiC and TiB 2 The two powders are respectively added into a ball mill for mixing for 2 hours according to different proportions, and then are put into a vacuum oven at 60 ℃ for drying for 2 hours, wherein TiC and TiB 2 The sum of the mass fractions of the two powders is 100%, wherein the purity of the TiC powder is 99.99%, the average particle size is 40-80nm, and the TiB is 2 The purity of the powder is 99.9%, and the average particle diameter is 1-4 μm;
s2, preparation of composite material
Compacting the dried mixed ceramic powder by a tablet press, placing the compacted mixed ceramic powder into two metal foils, and compacting the powder and the metal foils by using the pressure of 1-5Mpa to obtain a composite material for additive manufacturing;
s3, laser additive manufacturing
Placing the composite material on the surface of a matrix, using a Raycus REL-A2000D optical fiber laser, controlling a laser light source to selectively melt the pre-laid composite material, continuously laying the composite material, continuously melting, repeating 30-50 layers, and after printing is finished, obtaining the part with 90% -95% internal defects reduced.
2. A method of manufacturing a low defect cermet part based on composite additive according to claim 1, characterized by: the rotational speed of the ball mill in step S1 was 700rpm.
3. A method of manufacturing a low defect cermet part based on composite additive according to claim 1, characterized by: the thickness of the metal foil in the step S2 is 0.03mm-0.1mm.
4. A method of manufacturing a low defect cermet part based on composite additive according to claim 1, characterized by: the pressure of compacting the mixed ceramic powder in the step S2 is 15-100Mpa.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210973532.8A CN115464152B (en) | 2022-08-15 | 2022-08-15 | Method for manufacturing low-defect metal ceramic parts based on composite material additive |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210973532.8A CN115464152B (en) | 2022-08-15 | 2022-08-15 | Method for manufacturing low-defect metal ceramic parts based on composite material additive |
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| CN115464152A CN115464152A (en) | 2022-12-13 |
| CN115464152B true CN115464152B (en) | 2024-01-23 |
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| CN113172228A (en) * | 2021-04-26 | 2021-07-27 | 中北大学 | TC (tungsten carbide)4-Al3Ti laminated composite board and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6999117B2 (en) * | 2017-02-24 | 2022-01-18 | 国立研究開発法人物質・材料研究機構 | Manufacturing method of aluminum circuit board |
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Patent Citations (6)
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|---|---|---|---|---|
| CN103043997A (en) * | 2011-10-11 | 2013-04-17 | 旭化成化学株式会社 | Powder, formed body, coated body and manufacturing method of powder |
| CN102352509A (en) * | 2011-11-17 | 2012-02-15 | 铜陵学院 | Method for preparing nano-thick ceramic coating by laser multilayer cladding |
| CN108393492A (en) * | 2018-03-07 | 2018-08-14 | 吉林大学 | A method of shaping complexity NiTi alloy components using increasing material manufacturing |
| CN109226965A (en) * | 2018-09-21 | 2019-01-18 | 浙江海洋大学 | A kind of lamination increasing material manufacturing device and method of metal foil plate composite material |
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| CN113172228A (en) * | 2021-04-26 | 2021-07-27 | 中北大学 | TC (tungsten carbide)4-Al3Ti laminated composite board and preparation method thereof |
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