CN107127441A - A kind of diffusion welding method of structural steel and copper alloy banjo fixing butt jointing - Google Patents
A kind of diffusion welding method of structural steel and copper alloy banjo fixing butt jointing Download PDFInfo
- Publication number
- CN107127441A CN107127441A CN201710458872.6A CN201710458872A CN107127441A CN 107127441 A CN107127441 A CN 107127441A CN 201710458872 A CN201710458872 A CN 201710458872A CN 107127441 A CN107127441 A CN 107127441A
- Authority
- CN
- China
- Prior art keywords
- copper alloy
- structural steel
- diffusion welding
- welding method
- workpiece
- 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.)
- Pending
Links
Classifications
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/02—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press ; Diffusion bonding
- B23K20/023—Thermo-compression 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
- B23K2103/22—Ferrous alloys and copper or alloys thereof
Abstract
The present invention relates to a kind of structural steel and the diffusion welding method of copper alloy banjo fixing butt jointing, including：A, butting surface pretreatment：The butting surface of structural steel and copper alloy workpiece is subjected to roughness processing, cleaned after processing with organic solvent；B, diffusion pre-welding treatment：The pretreated structural steel of a steps is fixed with copper alloy workpiece, pressurizeed, it is 7~13MPa to make the pressure between workpiece；C, diffusion welding (DW) processing：Workpiece after b step processing is heated, heating-up temperature is 860~900 DEG C, the heat time is 30~60min, is taken out, cooling is produced.The present invention has the advantages that process is succinct, cost is low, it is simple to operate, be easy to mechanization, joint tensile strength is big and thickness of diffusion layer is big.
Description
Technical field
The present invention relates to Metal Material Welding technical field, and in particular to the expansion of a kind of structural steel and copper alloy banjo fixing butt jointing
Dissipate soldering method.
Background technology
Diffusion welding (DW) generally uses special equipment, such as vacuum drying oven with hydraulic system, heat iso-hydrostatic diffusion welding stove, equipment structure
Complexity is made, it is expensive；The main technologic parameters for influenceing diffusion welding (DW) quality are pressure, temperature and soaking time, and pressure is usually
Realized by mechanical pressurization or gas pressurized.Rarely seen structural steel and the open report of copper alloy diffusion welding (DW).
Diffusion bonding of 410 stainless steel to copper using a nickel
Interlayer, Sabetghadam, Materials Characterization 61 (2010) 626-634 410,
A kind of 410 stainless steel and copper alloy are disclosed, in special diffusion in vacuum stove, pressure is 12 MPa, temperature exists（800~
950）The result of the test after 60 min is kept in the range of DEG C, thickness of diffusion layer is found between 7.9 μm~13.4 μm, when diffusion temperature
Spend for 900 DEG C when, the tensile strength highest of its diffusion joint reaches 140 MPa.
Impulse pressuring diffusion bonding of a copper alloy to a stainless
Steel with/without a pure nickel interlayer, Xinjian Yuan, Materials and Design
52 (2013) 359-366., disclose a kind of stainless steel and are tested with copper alloy diffusion welding (DW), be in pressure（5~20）MPa, temperature
850 DEG C, soaking time（5~20）Under the conditions of min, during using 12.5 μm of nickel dams of preplating, joint tensile strength can reach 217.2
MPa, when not using nickel dam, then only 174.2 MPa.
It can be drawn from above-mentioned document, the diffusion welding (DW) of existing steel and copper alloy is incubated using vacuum drying oven, and is needed
Transition zone is wanted to improve the tensile strength of joint.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of simple operation, process be succinct, welding point
The diffusion welding method of the big structural steel of tensile strength and copper alloy banjo fixing butt jointing.
A kind of structural steel of the present invention and the diffusion welding method of copper alloy banjo fixing butt jointing, comprise the following steps：
A, butting surface pretreatment：Structural steel and copper alloy workpiece butting surface are subjected to roughness processing, with organic after processing
Solvent is cleaned；
B, diffusion pre-welding treatment：Above-mentioned pretreated structural steel is fixed with copper alloy workpiece, pressurizeed, pressure between control workpiece
For 7~13MPa；
C, diffusion welding (DW) processing：Workpiece after b step processing is heated, heating-up temperature is 860~900 DEG C, and the heat time is
30~60min, is taken out, and cooling is produced.
Further, the diffusion welding method of a kind of above-mentioned structural steel and copper alloy banjo fixing butt jointing, wherein by structure in a steps
Steel is machined to the mm of ＜ 0.003 with copper alloy workpiece butting surface roughness.
The diffusion welding method of a kind of above-mentioned structural steel and copper alloy banjo fixing butt jointing, wherein organic solvent is described in a steps
One kind in acetone, absolute ethyl alcohol.
Further, the diffusion welding method of a kind of above-mentioned structural steel and copper alloy banjo fixing butt jointing, the organic solvent is preferred
For acetone.
The diffusion welding method of a kind of above-mentioned structural steel and copper alloy banjo fixing butt jointing, is carried out wherein in b step using hydraulic press
Pressurization.
Further, the diffusion welding method of a kind of above-mentioned structural steel and copper alloy banjo fixing butt jointing, is added using hydraulic press
Pressure, be specially：Specially：Structural steel is docked with copper alloy, is fixed on up and down in compressing fixture, P is forced into by hydraulic press,
Hold-down bolt is tightened, hydraulic press pressure is shown and drops to P ', now the pressure between workpiece is P-P '；Wherein, P >=
13MPa, 7MPa≤P-P '≤13MPa.
The diffusion welding method of a kind of above-mentioned structural steel and copper alloy banjo fixing butt jointing, is carried out wherein in step c using air furnace
Heating.
Further, the diffusion welding method of a kind of above-mentioned structural steel and alloy banjo fixing butt jointing, wherein heating-up temperature in step c
For 880 DEG C, the heat time is 45min.
Further, the diffusion welding method of a kind of above-mentioned structural steel and copper alloy banjo fixing butt jointing, using oil wherein in step c
The mode of quenching is cooled down.
The beneficial effects of the invention are as follows：The present invention provides initial pressure by hydraulic press, without vacuum drying oven, to diffusion brazier
Selection it is unrestricted；The present invention reduces production process without crossing transition zone in advance, reduces production cost；Diffusion welding (DW) is obtained in the present invention
Joint tensile strength >=the 200MPa arrived, thickness of diffusion layer >=20 μm；The present invention is simple to operate from oil quenching cooling, it is easy to real
Existing mechanization, quenching stress is small.
Embodiment
Technical scheme is described in further detail with reference to specific embodiment, but protection scope of the present invention is not
It is confined to as described below.
Embodiment 1
Certain type aero-engine slippery boots assembly, material is ZCuSn10Pb2Ni3Signal bronze and 30Cr3MoA structural steel, disc pair
Connect, the mm of diameter phi 18.
Structural steel and copper alloy workpiece butting surface are subjected to roughness processing, workpiece surface roughness is after processing
0.002mm, is cleaned 2~3 times with acetone, to being installed in compressing fixture, compressing fixture will be added by hydraulic press above and below workpiece
13 MPa are depressed into, bolt pressure is tightened, the pressure for making hydraulic press pressure show value be down between 5.5 MPa, i.e. workpiece is 7.5
Workpiece and compressing fixture, are then put into air furnace by MPa together, are heated to taking-up oil quenching after 860 DEG C, 30 min of insulation cold
But.
The tensile strength of its Diffusion Bonded Joint is 213 MPa, and thickness of diffusion layer is 20.8 μm.
Embodiment 2
Certain type aero-engine slippery boots assembly, material is ZCuSn10Pb2Ni3Signal bronze and 30Cr3MoA structural steel, disc pair
Connect, the mm of diameter phi 18.
Structural steel and copper alloy workpiece butting surface are subjected to roughness processing, workpiece surface roughness is after processing
0.0015mm, is cleaned 2~3 times with ethanol, to being installed in compressing fixture, compressing fixture will be added by hydraulic press above and below workpiece
14 MPa are depressed into, bolt pressure is tightened, the pressure for making hydraulic press pressure show value be down between 3 MPa, i.e. workpiece is 11 MPa, so
Workpiece and compressing fixture are put into air furnace together afterwards, oil quenching cooling is taken out after being heated to 900 DEG C, 40 min of insulation.
The tensile strength of its Diffusion Bonded Joint is 220 MPa, and thickness of diffusion layer is 22. 2 μm.
Embodiment 3
Certain type aero-engine slippery boots assembly, material is ZCuSn10Pb2Ni3Signal bronze and 30Cr3MoA structural steel, disc pair
Connect, the mm of diameter phi 18.
Structural steel and copper alloy workpiece butting surface are subjected to roughness processing, workpiece surface roughness is after processing
0.001mm, is cleaned 2~3 times with acetone, to being installed in compressing fixture, compressing fixture will be added by hydraulic press above and below workpiece
15MPa is depressed into, bolt pressure is tightened, the pressure for making hydraulic press pressure show value be down between 5.5 MPa, i.e. workpiece is 9.5 MPa,
Then workpiece and compressing fixture are put into air furnace together, oil quenching cooling is taken out after being heated to 880 DEG C, insulation 45min.Its
The tensile strength of Diffusion Bonded Joint is 217MPa, and thickness of diffusion layer is 21.2 μm.
Described above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form, is not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and environment, and can be at this
In the text contemplated scope, it is modified by the technology or knowledge of above-mentioned teaching or association area.And those skilled in the art are entered
Capable change and change does not depart from the spirit and scope of the present invention, then all should appended claims of the present invention protection domain
It is interior.
Claims (8)
1. the diffusion welding method of a kind of structural steel and copper alloy banjo fixing butt jointing, it is characterised in that comprise the following steps：
A, butting surface pretreatment：Structural steel and copper alloy workpiece butting surface are subjected to roughness processing, with organic after processing
Solvent is cleaned；
B, diffusion pre-welding treatment：The pretreated structural steel of a steps is fixed with copper alloy workpiece, pressurizeed, is pressed between control workpiece
Power is 7~13MPa；
C, diffusion welding (DW) processing：Workpiece after b step processing is heated, heating-up temperature is 860~900 DEG C, and the heat time is
30~60min, is taken out, and cooling is produced.
2. the diffusion welding method of a kind of structural steel and copper alloy banjo fixing butt jointing according to claim 1, it is characterised in that a is walked
Structural steel and copper alloy workpiece butting surface roughness are machined to the mm of ＜ 0.003 in rapid.
3. the diffusion welding method of a kind of structural steel and copper alloy banjo fixing butt jointing according to claim 1, it is characterised in that described
Organic solvent is one kind in acetone, absolute ethyl alcohol.
4. the diffusion welding method of a kind of structural steel and copper alloy banjo fixing butt jointing according to claim 1, it is characterised in that b is walked
Pressurizeed in rapid using hydraulic press.
5. the diffusion welding method of a kind of structural steel and copper alloy banjo fixing butt jointing according to claim 4, it is characterised in that use
Hydraulic press is pressurizeed, and is specially：Structural steel is docked with copper alloy, is fixed on up and down in compressing fixture, by hydraulic press plus
P is depressed into, hold-down bolt is tightened, hydraulic press pressure is shown and drops to P ', now the pressure between workpiece is P-P '；Wherein, P
>=13MPa, 7MPa≤P-P '≤13MPa.
6. the diffusion welding method of a kind of structural steel and copper alloy banjo fixing butt jointing according to claim 1, it is characterised in that c is walked
Heated in rapid using air furnace.
7. the diffusion welding method of a kind of structural steel and copper alloy banjo fixing butt jointing according to claim 1, it is characterised in that c is walked
Heating-up temperature is 880 DEG C in rapid, and the heat time is 45min.
8. the diffusion welding method of a kind of structural steel and copper alloy banjo fixing butt jointing according to claim 1, it is characterised in that c is walked
Cooled down in rapid using oil quenching mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458872.6A CN107127441A (en) | 2017-06-16 | 2017-06-16 | A kind of diffusion welding method of structural steel and copper alloy banjo fixing butt jointing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458872.6A CN107127441A (en) | 2017-06-16 | 2017-06-16 | A kind of diffusion welding method of structural steel and copper alloy banjo fixing butt jointing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107127441A true CN107127441A (en) | 2017-09-05 |
Family
ID=59734100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710458872.6A Pending CN107127441A (en) | 2017-06-16 | 2017-06-16 | A kind of diffusion welding method of structural steel and copper alloy banjo fixing butt jointing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107127441A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552945A (en) * | 2017-09-20 | 2018-01-09 | 西安理工大学 | A kind of connection method of complicated shape aluminium bronze and stainless steel |
| CN107738030A (en) * | 2017-09-20 | 2018-02-27 | 西安理工大学 | A kind of law temperature joining method of aluminium bronze and stainless steel |
| CN111151863A (en) * | 2019-12-26 | 2020-05-15 | 陕西斯瑞新材料股份有限公司 | Compounding method for instantaneous liquid state diffusion connection of steel and copper of large rotor |
| CN112077429A (en) * | 2020-08-27 | 2020-12-15 | 东北大学 | Preparation method of thick copper-steel composite board |
| CN113118716A (en) * | 2021-04-27 | 2021-07-16 | 合肥工业大学 | Welding method of high-bonding-strength copper-steel bimetal antifriction and wear-resistant composite material |
| CN113996905A (en) * | 2021-11-04 | 2022-02-01 | 江苏大学 | Diffusion connection method for immiscible dissimilar metals |
| CN115007988A (en) * | 2022-07-20 | 2022-09-06 | 钢研昊普科技有限公司 | Copper alloy-steel composite cylindrical part and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6478214B1 (en) * | 1998-06-23 | 2002-11-12 | Commissariat A L'energie Atomique | Method for assembling by diffusion welding a martensite stainless steel and a copper alloy and resulting bimetal element |
| CN1406167A (en) * | 2000-02-23 | 2003-03-26 | 奥托库姆普联合股份公司 | Method for making a joint between copper and stainless steel |
| CN101745736A (en) * | 2009-12-23 | 2010-06-23 | 西北工业大学 | Copper alloy and stainless diffusion welding method |
| CN103252572A (en) * | 2013-05-10 | 2013-08-21 | 山东大学 | Transient liquid phase diffusion bonding process of molybdenum copper alloy and stainless steel |
| 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 |
-
2017
- 2017-06-16 CN CN201710458872.6A patent/CN107127441A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6478214B1 (en) * | 1998-06-23 | 2002-11-12 | Commissariat A L'energie Atomique | Method for assembling by diffusion welding a martensite stainless steel and a copper alloy and resulting bimetal element |
| CN1406167A (en) * | 2000-02-23 | 2003-03-26 | 奥托库姆普联合股份公司 | Method for making a joint between copper and stainless steel |
| CN101745736A (en) * | 2009-12-23 | 2010-06-23 | 西北工业大学 | Copper alloy and stainless diffusion welding method |
| CN103252572A (en) * | 2013-05-10 | 2013-08-21 | 山东大学 | Transient liquid phase diffusion bonding process of molybdenum copper alloy and stainless steel |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 吴刚: "《压力焊作业》", 31 July 2011, 中国矿业大学出版社 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552945A (en) * | 2017-09-20 | 2018-01-09 | 西安理工大学 | A kind of connection method of complicated shape aluminium bronze and stainless steel |
| CN107738030A (en) * | 2017-09-20 | 2018-02-27 | 西安理工大学 | A kind of law temperature joining method of aluminium bronze and stainless steel |
| CN111151863A (en) * | 2019-12-26 | 2020-05-15 | 陕西斯瑞新材料股份有限公司 | Compounding method for instantaneous liquid state diffusion connection of steel and copper of large rotor |
| CN111151863B (en) * | 2019-12-26 | 2021-10-12 | 陕西斯瑞新材料股份有限公司 | Compounding method for instantaneous liquid state diffusion connection of steel and copper of large rotor |
| CN112077429A (en) * | 2020-08-27 | 2020-12-15 | 东北大学 | Preparation method of thick copper-steel composite board |
| CN112077429B (en) * | 2020-08-27 | 2021-08-24 | 东北大学 | Preparation method of thick copper-steel composite board |
| CN113118716A (en) * | 2021-04-27 | 2021-07-16 | 合肥工业大学 | Welding method of high-bonding-strength copper-steel bimetal antifriction and wear-resistant composite material |
| CN113118716B (en) * | 2021-04-27 | 2022-03-25 | 合肥工业大学 | Welding method of high-bonding-strength copper-steel bimetal antifriction and wear-resistant composite material |
| CN113996905A (en) * | 2021-11-04 | 2022-02-01 | 江苏大学 | Diffusion connection method for immiscible dissimilar metals |
| CN115007988A (en) * | 2022-07-20 | 2022-09-06 | 钢研昊普科技有限公司 | Copper alloy-steel composite cylindrical part and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107127441A (en) | A kind of diffusion welding method of structural steel and copper alloy banjo fixing butt jointing | |
| CN103447672B (en) | Submerged-arc welding technology of big-thickness low-temperature steel plate with yield strength of 690MPa grade | |
| CN106808079B (en) | TiAl alloy and Ti2Diffusion bonding method of AlNb alloy | |
| CN111347146B (en) | Tungsten and heat sink material connector and preparation method thereof | |
| CN111347147B (en) | Hot isostatic pressing connection method of tungsten and heat sink material | |
| CN107299295B (en) | The moulding process of the oily rail of super-pressure stainless steel forging and stamping | |
| US9370846B2 (en) | Process for producing combustor structural member, and combustor structural member, combustor for gas turbine and gas turbine | |
| CN115647555B (en) | Welding method and welding product of high-temperature alloy microchannel heat exchanger | |
| CN101428979B (en) | Vacuum diffusion welding process for glass and metal | |
| CN107030367A (en) | The dissimilar metal diffusion welding method of titanium alloy and stainless steel | |
| CN106271015A (en) | A kind of rustless steel and kovar alloy dissimilar metal diffusion welding method | |
| CN104942000A (en) | Preparation method for high-bonding-strength titanium-steel composite plate | |
| CN105689884A (en) | Ultrasonic field auxiliary vacuum diffusion connecting device and method | |
| CN105665918A (en) | Diffusion welding method for improving strength of GH4099 welding joints | |
| CN106424136A (en) | Titanium-steel composite plate with IF steel as middle layer and manufacturing method thereof | |
| CN108746977B (en) | Installation method of plunger pump cylinder body and copper sleeve | |
| CN104014923A (en) | Aluminum alloy diffusion bonding method | |
| CN105397224A (en) | Method for brazing hard alloy and steel by utilizing foam metal interlayer | |
| CN104826867A (en) | Method for rolling nickel interlayer titanium steel composite board through large rolling reduction | |
| CN103624393B (en) | The hot self-pressure method of attachment of rigid restraint | |
| CN112719667A (en) | Plunger pump motor rotor bimetal structure process method | |
| CN109365981A (en) | A kind of connection method of stainless steel sleeve and brass billet | |
| CN102069290A (en) | Process for preparing Fe3Al/Al composite structure by diffusion bonding | |
| CN108788437A (en) | Xenogenesis Ni-Ti-based shape memory alloy spreads welding connection method | |
| CN113547194B (en) | Connection method of tungsten copper module |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170905 |
|
| RJ01 | Rejection of invention patent application after publication |