CN102528273A - Method for preparing dissimilar metal composite joint - Google Patents
Method for preparing dissimilar metal composite joint Download PDFInfo
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- CN102528273A CN102528273A CN2011104482620A CN201110448262A CN102528273A CN 102528273 A CN102528273 A CN 102528273A CN 2011104482620 A CN2011104482620 A CN 2011104482620A CN 201110448262 A CN201110448262 A CN 201110448262A CN 102528273 A CN102528273 A CN 102528273A
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- crucible
- joint
- metal composite
- metal
- dissimilar metal
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- 238000000034 method Methods 0.000 title abstract description 17
- 239000002905 metal composite material Substances 0.000 title abstract 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 59
- 239000002184 metal Substances 0.000 claims abstract description 59
- 238000009792 diffusion process Methods 0.000 claims abstract description 12
- 150000002739 metals Chemical class 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical group [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000003870 refractory metal Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 10
- 239000002360 explosive Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 3
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 229910001338 liquidmetal Inorganic materials 0.000 abstract description 2
- 239000010953 base metal Substances 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 230000001351 cycling effect Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
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- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a method for preparing a dissimilar metal composite joint, which adopts the principle of liquid/solid diffusion and realizes seamless metallurgical bonding of dissimilar metals by means of diffusion bonding technology for infiltration of low-melting-point liquid metal to high-melting-point solid metal, so that the metal composite joint with high bonding strength is manufactured. Compared with the prior art, the method for preparing the dissimilar metal composite joint has the advantages that the cold-heat circulating fatigue performance and the pressure resistance of the dissimilar metal composite joint produced by the method are far superior to those of dissimilar metal composite joints produced by an explosive welding process and a friction welding process, and the tensile strength of a composite position of the dissimilar metal composite joint is higher than that of base metal with low strength.
Description
Technical field
The invention belongs to the pipe technology field; Relate to a kind of joint preparation of xenogenesis pipeline; Especially a kind of industrial departments such as Aeronautics and Astronautics, boats and ships, nuclear power that are applied to are mainly as the preparation method of the dissimilar metal composite-joint of pipe fittings such as its fuel, hydraulic pressure, cooling.
Background technology
There are a large amount of fuel tubes and hydraulic power pipeline and heat exchanging pipe etc. in rocket, aircraft, naval vessel, the nuclear reactor; These pipelines relate to a large amount of dismountable mechanical splice connections and are connected with non-removable welding point in the production assembling process; In engineering practice, usually run into being welded to connect of dissimilar metal pipe fitting; Like stainless steel/copper, titanium alloy/copper etc.; At present method in common be with make in advance good dissimilar metal composite-joint 1 respectively with the metal tube welding of the same race at its two ends, leave weld seam 2 (see figure 1)s, the process of making the dissimilar metal composite-joint at present mainly contains explosive welding (see figure 2) and friction welding.
Find that in the engineering practice process explosive welding joint and friction welded joint cold cycling fatigue behaviour and withstand voltage properties are poor; Because there is high residual stress in the dissimilar metal junction; In use easy of crack has influence on equipment reliability of operation and security.The small dimension of explosion weld process production simultaneously joint technology difficulty is big, and the compound end caliber of most explosive welding joint is inconsistent, causes tube fluid unstable.
Summary of the invention
The present invention is in order to solve the shortcoming of explosive welding joint and friction welded joint cold cycling fatigue behaviour and withstand voltage properties difference; A kind of dissimilar metal composite-joint preparation method is provided; This method adopts the liquid/solid phases diffusion principle; Realize low melting point liquid metal to the seamless metallurgical binding of high-melting-point solid metallic infiltration diffusion interconnection technique realization dissimilar metal, thereby produce the very high composition metal joint of bond strength.
The objective of the invention is to solve through following technical scheme:
This dissimilar metal composite-joint preparation method may further comprise the steps:
1) prepare crucible: make crucible according to joint appearance and size, the crucible internal diameter is greater than the joint outside dimension, and is tall and big in the joint total height in the crucible;
2) prepare raw material: prepare and two kinds of pipe material A to be connected, the metal stock that B is identical respectively, the metal stock diameter is less than the crucible internal diameter, and two kinds of metal stock total heights are not higher than in the crucible high;
3) charging: two kinds of metal stocks are loaded in the crucible, and the metal stock that fusing point is high places crucible bottom, and low-melting metal places the high metal top of fusing point;
4) shove charge: charged crucible is placed in the vacuum furnace;
5) vacuum is invaded and is oozed the diffusion connection: with energising heating behind the heating in vacuum stove evacuation; Set holding temperature between two kinds of melting point metals; Be that holding temperature is higher than wherein the low-melting-point metal fusing point, is lower than wherein refractory metal fusing point, temperature retention time is not less than 1 hour;
6) cooling is come out of the stove: heating in vacuum furnace power-off nature or the cooling of logical argon gas arrive after the room temperature crucible and come out of the stove and take out the dissimilar metal composite-joint blank in the crucible;
7) machining: vacuum is invaded the dissimilar metal composite-joint blank that oozes the diffusion acquisition be machined into product according to product size.
Above-mentioned steps 5) in, in the vacuum furnace vacuum be 0.1Pa.
Above-mentioned crucible adopts aluminium oxide or graphite crucible.
Above-mentioned two kinds of material A and B are stainless steel and copper or titanium alloy and copper.
Compared with prior art, the present invention possesses following beneficial effect:
The cold cycling fatigue behaviour of the dissimilar metal composite-joint that dissimilar metal composite-joint preparation method of the present invention produces and resistance to pressure are far superior to the dissimilar metal composite-joint of explosion weld process and friction-welding technique production, and its compound place tensile strength is greater than the lower parent metal of intensity.
Description of drawings
Fig. 1 is a pipe fitting joint structure sketch map in the prior art;
Fig. 2 prepares the joint design sketch map for explosion weld process of the prior art;
Fig. 3 invades the joint design sketch map that oozes the diffusion connecting process preparation for vacuum of the present invention.
The specific embodiment
Dissimilar metal composite-joint preparation method of the present invention may further comprise the steps:
1) prepare crucible: make aluminium oxide or graphite crucible according to joint appearance and size, the crucible internal diameter is greater than the joint outside dimension, and is tall and big in the joint total height in the crucible;
2) prepare raw material: prepare and two kinds of pipe material A to be connected, the metal stock that B is identical respectively, the metal stock diameter is less than the crucible internal diameter, and two kinds of metal stock total heights are not higher than in the crucible high;
3) charging: two kinds of metal stocks are loaded in the crucible, and the metal stock that fusing point is high places crucible bottom, and low-melting metal places the high metal top of fusing point;
4) shove charge: charged crucible is placed in the vacuum furnace;
5) vacuum is invaded and is oozed the diffusion connection: with energising heating behind the heating in vacuum stove evacuation; Set holding temperature between two kinds of melting point metals; Be that holding temperature is higher than wherein the low-melting-point metal fusing point, is lower than wherein refractory metal fusing point, temperature retention time is not less than 1 hour;
6) cooling is come out of the stove: heating in vacuum furnace power-off nature or the cooling of logical argon gas arrive after the room temperature crucible and come out of the stove and take out the dissimilar metal composite-joint blank in the crucible;
7) machining: vacuum is invaded the dissimilar metal composite-joint blank that oozes the diffusion acquisition be machined into product according to product size, as shown in Figure 3.
Below in conjunction with embodiment the present invention is done and to describe in further detail:
Embodiment
Stainless steel/fine copper composite-joint (specification D20 * d12 * (20+20)) preparation:
1) prepares crucible: make alumina crucible, crucible inner cavity size φ 25 * 60 according to joint appearance and size.
2) prepare raw material: prepare two kinds of metal stocks respectively, stainless steel blank specification φ 24 * 25, fine copper specification φ 24 * 25.
3) charging: two kinds of metal stocks are loaded in the crucible, and the stainless steel blank places crucible bottom, and the fine copper blank places stainless steel blank top.
4) shove charge: charged crucible is placed in the vacuum furnace.
5) vacuum is invaded and oozed the diffusion connection: 1200 ℃ of holding temperatures, temperature retention time 2 hours were heated in energising after vacuum furnace was extracted into 0.1Pa vacuum.
6) cooling is come out of the stove: after arriving the regulation temperature retention time, the heating in vacuum furnace power-off cools off naturally, and crucible is come out of the stove and taken out the composition metal blank after the arrival room temperature.
7) machining: vacuum is invaded the stainless steel/fine copper composite-joint blank that oozes acquisition, and to be machined into specification be the product of D20 * d12 * (20+20).
8) detect: composite-joint such as is suppressed at experimental test according to the Related product specification requirement.
Except above embodiment, the present invention carries out the preparation of composite-joint between can also the dissimilar metal pipeline to multiple collocation, as: like stainless steel and copper, titanium alloy and copper, titanium alloy and aluminium alloy or the like, its preparation method is identical with embodiment.
Claims (4)
1. a dissimilar metal composite-joint preparation method is characterized in that, may further comprise the steps:
1) prepare crucible: make crucible according to joint appearance and size, the crucible internal diameter is greater than the joint outside dimension, and is tall and big in the joint total height in the crucible;
2) prepare raw material: prepare and two kinds of pipe material A to be connected, the metal stock that B is identical respectively, the metal stock diameter is less than the crucible internal diameter, and two kinds of metal stock total heights are not higher than in the crucible high;
3) charging: two kinds of metal stocks are loaded in the crucible, and the metal stock that fusing point is high places crucible bottom, and low-melting metal places the high metal top of fusing point;
4) shove charge: charged crucible is placed in the vacuum furnace;
5) vacuum is invaded and is oozed the diffusion connection: with energising heating behind the heating in vacuum stove evacuation; Set holding temperature between two kinds of melting point metals; Be that holding temperature is higher than wherein the low-melting-point metal fusing point, is lower than wherein refractory metal fusing point, temperature retention time is not less than 1 hour;
6) cooling is come out of the stove: heating in vacuum furnace power-off nature or the cooling of logical argon gas arrive after the room temperature crucible and come out of the stove and take out the dissimilar metal composite-joint blank in the crucible;
7) machining: vacuum is invaded the dissimilar metal composite-joint blank that oozes the diffusion acquisition be machined into product according to product size.
2. dissimilar metal composite-joint preparation method according to claim 1 is characterized in that, in the said step 5), in the vacuum furnace vacuum be 0.1Pa.
3. dissimilar metal composite-joint preparation method according to claim 1 is characterized in that said crucible is aluminium oxide or graphite crucible.
4. dissimilar metal composite-joint preparation method according to claim 1 is characterized in that, said two kinds of material A and B are stainless steel and copper, titanium alloy and copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104482620A CN102528273A (en) | 2011-12-28 | 2011-12-28 | Method for preparing dissimilar metal composite joint |
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| CN2011104482620A CN102528273A (en) | 2011-12-28 | 2011-12-28 | Method for preparing dissimilar metal composite joint |
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| CN102528273A true CN102528273A (en) | 2012-07-04 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978305A (en) * | 2014-06-09 | 2014-08-13 | 哈尔滨工业大学 | Method for connecting dissimilar metals after transition texturing of cold metals on metallic surface |
| CN104741772A (en) * | 2013-12-27 | 2015-07-01 | 北京有色金属研究总院 | Welding method for connecting stainless steel with aluminum alloy |
| CN105522272A (en) * | 2014-09-29 | 2016-04-27 | 江苏嘉盟电力设备有限公司 | Friction welding method for copper and aluminum end faces |
| CN106271013A (en) * | 2016-08-30 | 2017-01-04 | 郑州机械研究所 | A kind of coarse vacuum diffusion welding method of copper and copper alloy and steel |
| CN106583914A (en) * | 2016-12-23 | 2017-04-26 | 浙江康盛股份有限公司 | Copper-aluminum connecting piece face-face penetrating fusion welding technique and preparation method |
| CN111015105A (en) * | 2019-12-17 | 2020-04-17 | 有研亿金新材料有限公司 | Manufacturing method of tungsten iridium crucible |
| JP2021524380A (en) * | 2018-05-22 | 2021-09-13 | エービー サンドビック マテリアルズ テクノロジー | Tubular elements and tubular assemblies |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03268883A (en) * | 1990-03-16 | 1991-11-29 | Sumitomo Metal Ind Ltd | Pipe butt joining method and joining device |
| CN1943956A (en) * | 2006-09-28 | 2007-04-11 | 山东大学 | Expansion connecting method for titanium and aluminium dissimillar non-ferrous metal |
| CN101200013A (en) * | 2007-12-03 | 2008-06-18 | 中国核动力研究设计院 | Copper and stainless steel dissimilar metal water adapter vacuum brazing technology method |
| CN101254572A (en) * | 2008-01-17 | 2008-09-03 | 武汉理工大学 | A method of diffusion welding titanium alloy and copper alloy using niobium interlayer |
| CN101494322A (en) * | 2009-02-27 | 2009-07-29 | 西安交通大学 | Tungsten copper connection method |
| CN101745736A (en) * | 2009-12-23 | 2010-06-23 | 西北工业大学 | Diffusion welding method of copper alloy and stainless steel |
-
2011
- 2011-12-28 CN CN2011104482620A patent/CN102528273A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03268883A (en) * | 1990-03-16 | 1991-11-29 | Sumitomo Metal Ind Ltd | Pipe butt joining method and joining device |
| CN1943956A (en) * | 2006-09-28 | 2007-04-11 | 山东大学 | Expansion connecting method for titanium and aluminium dissimillar non-ferrous metal |
| CN101200013A (en) * | 2007-12-03 | 2008-06-18 | 中国核动力研究设计院 | Copper and stainless steel dissimilar metal water adapter vacuum brazing technology method |
| CN101254572A (en) * | 2008-01-17 | 2008-09-03 | 武汉理工大学 | A method of diffusion welding titanium alloy and copper alloy using niobium interlayer |
| CN101494322A (en) * | 2009-02-27 | 2009-07-29 | 西安交通大学 | Tungsten copper connection method |
| CN101745736A (en) * | 2009-12-23 | 2010-06-23 | 西北工业大学 | Diffusion welding method of copper alloy and stainless steel |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104741772A (en) * | 2013-12-27 | 2015-07-01 | 北京有色金属研究总院 | Welding method for connecting stainless steel with aluminum alloy |
| CN103978305A (en) * | 2014-06-09 | 2014-08-13 | 哈尔滨工业大学 | Method for connecting dissimilar metals after transition texturing of cold metals on metallic surface |
| CN103978305B (en) * | 2014-06-09 | 2016-04-27 | 哈尔滨工业大学 | The method be connected with dissimilar metal after the cold metal transfer texturing of a kind of metal surface |
| CN105522272A (en) * | 2014-09-29 | 2016-04-27 | 江苏嘉盟电力设备有限公司 | Friction welding method for copper and aluminum end faces |
| CN106271013A (en) * | 2016-08-30 | 2017-01-04 | 郑州机械研究所 | A kind of coarse vacuum diffusion welding method of copper and copper alloy and steel |
| CN106271013B (en) * | 2016-08-30 | 2019-05-07 | 郑州机械研究所有限公司 | A low-vacuum diffusion welding method of copper, copper alloy and steel |
| CN106583914A (en) * | 2016-12-23 | 2017-04-26 | 浙江康盛股份有限公司 | Copper-aluminum connecting piece face-face penetrating fusion welding technique and preparation method |
| CN106583914B (en) * | 2016-12-23 | 2019-03-05 | 浙江康盛股份有限公司 | A kind of copper aluminum fitting surface-to-surface vadose solution connects technique |
| JP2021524380A (en) * | 2018-05-22 | 2021-09-13 | エービー サンドビック マテリアルズ テクノロジー | Tubular elements and tubular assemblies |
| JP7292314B2 (en) | 2018-05-22 | 2023-06-16 | エービー サンドビック マテリアルズ テクノロジー | Tubular elements and tubular assemblies |
| CN111015105A (en) * | 2019-12-17 | 2020-04-17 | 有研亿金新材料有限公司 | Manufacturing method of tungsten iridium crucible |
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Application publication date: 20120704 |