CN108339987B - Method for connecting carbon fiber composite material and magnesium alloy material - Google Patents
Method for connecting carbon fiber composite material and magnesium alloy material Download PDFInfo
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- CN108339987B CN108339987B CN201810171459.6A CN201810171459A CN108339987B CN 108339987 B CN108339987 B CN 108339987B CN 201810171459 A CN201810171459 A CN 201810171459A CN 108339987 B CN108339987 B CN 108339987B
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- powder
- carbon fiber
- fiber composite
- magnesium alloy
- composite material
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- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 29
- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 29
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 29
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 239000000956 alloy Substances 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 claims abstract description 11
- 239000011812 mixed powder Substances 0.000 claims abstract description 9
- 238000000227 grinding Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims abstract description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 238000000498 ball milling Methods 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 2
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004840 adhesive resin Substances 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000009736 wetting 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
- 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
- B22F7/062—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 involving the connection or repairing of preformed parts
-
- 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
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
- B23K10/02—Plasma welding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Optics & Photonics (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a method for connecting a carbon fiber composite material and a magnesium alloy material, which comprises the following steps: uniformly mixing 40-50 parts by weight of magnesium powder, 10-15 parts by weight of copper powder and 35-50 parts by weight of titanium powder, and grinding into mixed powder; pressing the mixed powder into an intermediate layer with the thickness of 500-2000 mu m; and placing the intermediate layer between the magnesium alloy and the carbon fiber composite material, assembling and compressing to form a prefabricated part, placing the prefabricated part into a container filled with protective gas, simultaneously carrying out plasma arc welding under an ultrasonic environment to melt the intermediate layer and part of the magnesium alloy, and then slowly cooling to complete the connection of the carbon fiber composite material and the magnesium alloy material. The method realizes high-strength reliable connection of the carbon fiber composite material and the aluminum alloy plate.
Description
Technical Field
The invention relates to a method for connecting a carbon fiber composite material and a metal material, in particular to a method for connecting a carbon fiber composite material and a magnesium alloy material.
Background
The carbon fiber composite material is a composite material taking carbon element as a matrix and particles or fibers as a reinforcing phase. The carbon fiber composite material has the advantages of low density, large specific strength and specific modulus, stable structure size, excellent performances of high temperature resistance, fatigue resistance, wear resistance and the like, and is widely applied to the industrial fields of national defense, aerospace, aviation, automobiles, instruments and meters and the like.
The carbon fiber composite material and the magnesium alloy material are usually bonded by adopting an adhesive, and the compatibility of adhesive resin and matrix resin of the carbon fiber composite material is utilized for bonding to obtain higher bonding strength. Therefore, a proper adhesive is required to be selected for connection according to a specific carbon fiber composite material, so that debonding is avoided. In addition, the adhesive is generally modified epoxy resin, connection is formed through certain curing, the adhesive shrinks to a certain extent during curing, and in the curing process, the adhesive does not flow any more, and internal stress is generated when the volume shrinks continuously, so that the connection strength is influenced. Also, over time, the cured adhesive can cause aging problems, further affecting the strength of the joint.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for connecting a carbon fiber composite material and a magnesium alloy material, which realizes high-strength reliable connection of the carbon fiber composite material and an aluminum alloy plate.
The technical scheme of the invention is as follows: a method for connecting a carbon fiber composite material and a magnesium alloy material comprises the following steps: uniformly mixing 40-50 parts by weight of magnesium powder, 10-15 parts by weight of copper powder and 35-50 parts by weight of titanium powder, and grinding into mixed powder; pressing the mixed powder into an intermediate layer with the thickness of 500-2000 mu m; and placing the intermediate layer between the magnesium alloy and the carbon fiber composite material, assembling and compressing to form a prefabricated part, placing the prefabricated part into a container filled with protective gas, simultaneously carrying out plasma arc welding under an ultrasonic environment to melt the intermediate layer and part of the magnesium alloy, and then slowly cooling to complete the connection of the carbon fiber composite material and the magnesium alloy material.
Preferably, the ultrasonic excitation frequency of the ultrasonic environment is 10-30 kHz, the plasma arc current is 80-140A during plasma arc welding, and the voltage is 18-40V.
Preferably, the granularity of the magnesium powder is 100-500 meshes, the granularity of the copper powder is 100-500 meshes, and the granularity of the titanium powder is 100-500 meshes.
Preferably, in order to fully mix and grind the magnesium powder, the copper powder and the titanium powder, the magnesium powder, the copper powder and the titanium powder are placed in a ball milling tank and are subjected to ball milling for 3-5 hours at the speed of 200-500 r/min under the protection of argon.
Preferably, during ball milling, the mass ratio of the total mass of the magnesium powder, the copper powder and the titanium powder to the mass of the grinding ball is 1: 3-1: 4.
The technical scheme provided by the invention has the advantages that: the copper powder and the iron powder enhance the wetting action between the magnesium alloy and the carbon element through the action of the magnesium powder and the magnesium alloy plate, and simultaneously, the copper powder and the iron powder react to enhance the connection effect. Plasma arc welding is adopted for accurate control to melt the middle layer and part of the magnesium alloy, and meanwhile, the fluidity of the molten pool is enhanced through ultrasonic waves, so that the strength of a welding joint is improved.
Drawings
FIG. 1 is a schematic diagram of a three-layer structure of a magnesium alloy, an intermediate layer and a carbon fiber composite material.
Detailed Description
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention thereto.
The method for connecting the carbon fiber composite material and the magnesium alloy material comprises the steps of uniformly mixing magnesium powder, copper powder and titanium powder in parts by weight, placing the mixture into a ball milling tank, placing grinding balls according to the mass ratio of the total mass of the magnesium powder, the copper powder and the titanium powder to the mass of the grinding balls being 1: 3-1: 4, and carrying out ball milling for 3-5 hours at the speed of 200-500 r/min under the condition of argon protection to obtain mixed powder; pressing the mixed powder into an intermediate layer with the thickness of 500-2000 mu m; and (2) placing the middle layer 1 between a magnesium alloy 2 and a carbon fiber composite material 3, assembling and pressing to form a prefabricated part, wherein the structure is shown in figure 1, placing the prefabricated part into a container filled with protective gas argon, melting the middle layer and part of the magnesium alloy by plasma arc welding in an ultrasonic environment at the same time by utilizing plasma, and then slowly cooling to complete the connection of the carbon fiber composite material and the magnesium alloy material. The shear strength test was performed on the connectors obtained from the mixed powder of different weight components, the intermediate layers of different thicknesses, and different ultrasonic environments (ultrasonic rated power of 2.6kw) and plasma arc welding parameters, and the structures thereof are shown in the following table
As seen from example 3 and comparative examples 1 and 2, the strength of the weld joint obtained by the plasma arc welding method in the ultrasonic environment is much higher than that obtained by singly adopting the ultrasonic environment or singly adopting the plasma arc welding method.
Claims (5)
1. A method for connecting a carbon fiber composite material and a magnesium alloy material is characterized by comprising the following steps: uniformly mixing 40-50 parts by weight of magnesium powder, 10-15 parts by weight of copper powder and 35-50 parts by weight of titanium powder, and grinding into mixed powder; pressing the mixed powder into an intermediate layer with the thickness of 500-2000 mu m; and placing the intermediate layer between the magnesium alloy and the carbon fiber composite material, assembling and compressing to form a prefabricated part, placing the prefabricated part into a container filled with protective gas, simultaneously carrying out plasma arc welding under an ultrasonic environment to melt the intermediate layer and part of the magnesium alloy, and then slowly cooling to complete the connection of the carbon fiber composite material and the magnesium alloy material.
2. The method for connecting the carbon fiber composite material and the magnesium alloy material according to claim 1, wherein the ultrasonic excitation frequency in the ultrasonic environment is 10-30 kHz, the plasma arc current in plasma arc welding is 80-140A, and the voltage is 18-40V.
3. The method for connecting a carbon fiber composite material and a magnesium alloy material according to claim 1, wherein the particle size of the magnesium powder is 100 to 500 meshes, the particle size of the copper powder is 100 to 500 meshes, and the particle size of the titanium powder is 100 to 500 meshes.
4. The method for connecting the carbon fiber composite material and the magnesium alloy material according to claim 1, wherein the grinding is carried out by placing magnesium powder, copper powder and titanium powder in a ball milling tank, and carrying out ball milling for 3-5 h at a speed of 200-500 r/min under the protection of argon.
5. The method for connecting the carbon fiber composite material and the magnesium alloy material according to claim 4, wherein the mass ratio of the total mass of the magnesium powder, the copper powder and the titanium powder to the grinding ball is 1: 3-1: 4 during ball milling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810171459.6A CN108339987B (en) | 2018-03-01 | 2018-03-01 | Method for connecting carbon fiber composite material and magnesium alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810171459.6A CN108339987B (en) | 2018-03-01 | 2018-03-01 | Method for connecting carbon fiber composite material and magnesium alloy material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108339987A CN108339987A (en) | 2018-07-31 |
| CN108339987B true CN108339987B (en) | 2020-02-14 |
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| CN201810171459.6A Active CN108339987B (en) | 2018-03-01 | 2018-03-01 | Method for connecting carbon fiber composite material and magnesium alloy material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109081702B (en) * | 2018-08-14 | 2021-06-08 | 常熟理工学院 | Method for welding carbon fiber composite material plate and ceramic plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH10258366A (en) * | 1997-03-14 | 1998-09-29 | Hitachi Zosen Corp | Butt welding method |
| CN101462890A (en) * | 2009-01-12 | 2009-06-24 | 北京科技大学 | Connecting method for Cf/SiC composite material and titanium alloy |
| CN102554449B (en) * | 2012-02-15 | 2013-11-06 | 哈尔滨工业大学 | Method for connecting carbon fiber-reinforced aluminum-based composite material and metal |
| CN102658703B (en) * | 2012-04-13 | 2014-07-23 | 太原理工大学 | Preparation method of carbon fiber reinforced magnesium-based composite board |
| CN102689096A (en) * | 2012-06-07 | 2012-09-26 | 哈尔滨工业大学 | Method for laser-induced self-propagating connection between carbon fiber reinforced aluminum-based composite and metal |
| CN102658368B (en) * | 2012-06-07 | 2013-09-25 | 哈尔滨工业大学 | Method for connecting carbon fiber reinforced aluminum-based composite with metal |
| CN103586571B (en) * | 2013-11-25 | 2016-08-17 | 国家电网公司 | Improve the device and method of aluminium alloy PLASMA ARC WELDING joint quality |
| CN103586582B (en) * | 2013-11-28 | 2015-08-19 | 哈尔滨工业大学 | A kind of laser-induced combustion self-propagating reaction assistant brazing connects C fthe method of/Al composite and TiAl |
| CN103862161B (en) * | 2014-03-18 | 2015-08-19 | 哈尔滨工业大学 | A kind of method connecting aluminum matrix composite and titanium alloy |
| CN203751505U (en) * | 2014-03-25 | 2014-08-06 | 徐州工程学院 | Automatic welding device capable of clamping plasma arc welding gun |
| CN104588893A (en) * | 2014-12-15 | 2015-05-06 | 赵辉 | Plasma arc ultrasonic welding process and device |
| CN104842064B (en) * | 2015-05-14 | 2017-02-22 | 哈尔滨工业大学 | Method for specially connecting Cf/Al composite material with TiAl |
| CN105195921A (en) * | 2015-11-04 | 2015-12-30 | 哈尔滨工业大学（威海） | Composite solder for connecting Cf/LAS composite and titanium alloy and soldering method |
| CN105234539B (en) * | 2015-11-18 | 2017-06-30 | 山东大学 | The plasma arc welding (PAW) connection device and technique of a kind of ultrasonic wave added perforation |
| CN205085533U (en) * | 2015-11-18 | 2016-03-16 | 山东大学 | Fenestrate plasma arc weld device is assisted to supersound |
| CN107299298B (en) * | 2017-06-21 | 2018-10-09 | 中南大学 | A kind of preparation method of short carbon fiber/carbon/carbon-copper composite material |
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| CN108339987A (en) | 2018-07-31 |
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Inventor after: Dai Jun Inventor after: Yang Li Inventor after: Zhu Bo Inventor after: Zhang Yaocheng Inventor after: Liu Po Inventor after: Jiang Wei Inventor after: Chen Chunlin Inventor after: Cai Xun Inventor before: Dai Jun Inventor before: Yang Li Inventor before: Zhang Yaocheng Inventor before: Liu Po Inventor before: Jiang Wei Inventor before: Chen Chunlin |
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Effective date of registration: 20230720 Address after: 250400 room 106, Nanmei dema Steel Technology Park, national highway 105, Pingyin County, Jinan City, Shandong Province Patentee after: JINAN YINGWEI NEW MATERIALS TECHNOLOGY PARTNERSHIP (L.P.) Address before: 215500 Changshou City South Three Ring Road No. 99, Suzhou, Jiangsu Patentee before: CHANGSHU INSTITUTE OF TECHNOLOGY |