CN101633075A - Method for accurate diffusion welding/stop welding of foil plate - Google Patents
Method for accurate diffusion welding/stop welding of foil plate Download PDFInfo
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- CN101633075A CN101633075A CN200810187661A CN200810187661A CN101633075A CN 101633075 A CN101633075 A CN 101633075A CN 200810187661 A CN200810187661 A CN 200810187661A CN 200810187661 A CN200810187661 A CN 200810187661A CN 101633075 A CN101633075 A CN 101633075A
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- welding
- diffusion welding
- nonmetal
- paper tinsel
- metal
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Abstract
Diffusion welding is one of the important methods to realize material joining and can only realize the diffusion welding between bars and bars, between thick plates and thick plates currently. By adopting the invention, the diffusion welding/stop welding of foil plate materials between metal and metal, between metal and nonmetal and between nonmetal and nonmetal can be realized; the diffusion welding/stop welding of foil plate materials with arbitrary layers can also be realized and the accurate control of the boundary line between the welding zone and the nonwelding zone of any shape between foil materials can be realized by the invention. The invention relates to a method for accurate diffusion welding/stop welding of foil plate.
Description
One, technical field
The present invention relates to the method in a kind of accurate control diffusion welding zone, especially accurately control the method in paper tinsel plate structure diffusion welding zone.
Two, background technology
Diffusion Welding is under certain temperature, pressure two kinds of material surfaces to be welded to be in contact with one another, produce the physics contact area that micro-liquid phase enlarges welding surface by the micro-plastic deformation or by solder side, the mutual diffusion motion of atom through special time interpenetrates a kind of welding method that realizes metallurgical binding.At present Diffusion Welding can realize the Diffusion Welding between bar and bar, slab and the slab, but can't realize between the paper tinsel class material large-area Diffusion Welding and to the accurate control in weld zone and boundary line, non-weld zone.
Three, summary of the invention
1, purpose:
This invention is first a plurality of metals or nonmetal paper tinsel class material to be welded by diffusion welding method both at home and abroad, and realizes the accurate control in weld zone and boundary line, non-weld zone, and control accuracy can reach ± 0.02mm.By this invention can realize between metal and the metal, metal and nonmetal between, nonmetal and nonmetal between paper tinsel class material diffusion welding and the welding boundary accurate control.
2, technical scheme:
By the kinds of surface processing method arbitrary shape paper tinsel sheet material that processes is in advance carried out surface treatment, remove soldered piece surface dirt.Weldering is ended at the position that does not need the diffusion welding (DW) welding to be handled, ending the wlding material is inorganic ceramic material, its granularity is a nanoscale, carries out the position of diffusion welding (DW) welding for needs and by modes such as ion injection, vapour deposition, coating material is carried out surface modification treatment.Realize the marginal accurate control in weld zone and non-weld zone by the mode of carving shape behind the coated surfaces protection glue, protection glue should have enough adhesions and the densification of fitting, but peels off than being easier to, and especially can not pollution be arranged to the surface.Then, by certain assembly relation and assemble sequence material is assembled.Carry out the diffusion welding (DW) welding at certain temperature, protection environment (comprising vacuum, inert gas shielding), pressure, the position that should weld material under the time, form final member by methods such as machining or moulding again.
3, effect:
1) by this invention can realize between metal and the metal, metal and nonmetal between, nonmetal and nonmetal between the diffusion welding of paper tinsel sheet material;
2) can realize diffusion welding between any number of plies paper tinsel sheet material by this invention;
3) can realize Any shape and the welding of size and the accurate control of non-weld zone boundary between the paper tinsel sheet material by this invention;
4) can realize the welding between paper tinsel sheet material and the volume material and the accurate control of non-weld zone boundary by this invention.
Four, description of drawings
Figure 1 shows that two-layered foil sheet material diffusion welding schematic diagram.Sequence number 1,2 is by the paper tinsel sheet material of Diffusion Welding, can be metal material and also can be nonmetallic materials, welding zone territory till the sequence number 3, there is only solder flux in this district, sequence number 4 is the Diffusion Welding district, and this district can have modified layer also can not have modified layer, and sequence number 5 is the line of demarcation of Diffusion Welding district and non-weld zone.
Figure 2 shows that multilayer paper tinsel sheet material diffusion welding schematic diagram.Welding zone territory till the sequence number 1, sequence number 2 are soldered paper tinsel sheet material, and sequence number 3 is the Diffusion Welding zone, and sequence number 4 is the line of demarcation of weld zone and non-weld zone.
Figure 3 shows that the multilayer paper tinsel plate class A of geometric unitA schematic diagram after the diffusion welding.Sequence number 1 is the Diffusion Welding zone, and sequence number 2 is non-welding region.
Five, the specific embodiment
1. make the material to be welded of a plurality of arbitrary shapes by modes such as machining, Laser Processing, electric machining;
2. remove soldered piece surface dirt by hyperfrequency or high-frequency ultrasonic cleaning and physics, soak cleaning;
3. realize the marginal accurate control in arbitrary shape weld zone and non-weld zone by the mode of carving shape behind the coated surfaces protection glue;
4. weldering being ended at the position that does not need the diffusion welding (DW) welding handles;
5. the position of carrying out diffusion welding (DW) welding for needs is carried out surface modification treatment by modes such as ion injection, vapour deposition, plating, coating to material;
6. carry out pickling, shot-peening and Shot Blasting for the soldered material surface that does not need to carry out the modification processing;
7. by certain assembly relation and assemble sequence blank is assembled;
8. carry out the diffusion welding (DW) welding at certain temperature, protection environment (comprising vacuum, inert gas shielding), pressure, the position that should weld material under the time and form final member or semi-finished product;
9. finish final products by operations such as machining, Laser Processing, electric machining, Plastic Forming, cold and hot processing, cleanings.
Claims (5)
1. utilize the Diffusion Welding mode that a plurality of metals and metal, metal and the diffusion welding (DW) of nonmetal, nonmetal and nonmetal paper tinsel sheet material are connected into integrated member;
2. by methods such as ion injection, vapour deposition or coating metal and nonmetal paper tinsel sheet material weld zone are carried out the modification processing, and then carry out Diffusion Welding;
3. be coated with BN or Y in the place that does not need to weld
2O
3End solder flux and end only welding when welding with realization paper tinsel sheet material Diffusion Welding;
4. realize the marginal accurate control in paper tinsel sheet material Any shape weld zone and non-weld zone by the mode of carving shape behind the coated surfaces protection glue;
5. realize the accurate diffusion welding (DW) of any number of plies paper tinsel plate and end weldering by this method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810187661A CN101633075A (en) | 2008-12-29 | 2008-12-29 | Method for accurate diffusion welding/stop welding of foil plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810187661A CN101633075A (en) | 2008-12-29 | 2008-12-29 | Method for accurate diffusion welding/stop welding of foil plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101633075A true CN101633075A (en) | 2010-01-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810187661A Pending CN101633075A (en) | 2008-12-29 | 2008-12-29 | Method for accurate diffusion welding/stop welding of foil plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101633075A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500907A (en) * | 2011-10-26 | 2012-06-20 | 首都航天机械公司 | Method for precise control of diffusion welding / stop welding region |
| CN105032979A (en) * | 2015-08-24 | 2015-11-11 | 北京星航机电装备有限公司 | Machining method and device for multi-layer membrane structure corrugated pipe |
| CN108374170A (en) * | 2016-12-20 | 2018-08-07 | 中国航空制造技术研究院 | A kind of painting method of only solder flux |
| CN112958900A (en) * | 2021-03-10 | 2021-06-15 | 上海交通大学 | Diffusion welding structure and method for ultra-multilayer thin-wall metal component |
| CN114679874A (en) * | 2020-12-24 | 2022-06-28 | 富联裕展科技(深圳)有限公司 | Metal composite part, preparation method of metal composite part and shell of electronic device |
-
2008
- 2008-12-29 CN CN200810187661A patent/CN101633075A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500907A (en) * | 2011-10-26 | 2012-06-20 | 首都航天机械公司 | Method for precise control of diffusion welding / stop welding region |
| CN105032979A (en) * | 2015-08-24 | 2015-11-11 | 北京星航机电装备有限公司 | Machining method and device for multi-layer membrane structure corrugated pipe |
| CN105032979B (en) * | 2015-08-24 | 2017-06-20 | 北京星航机电装备有限公司 | The processing method and device of a kind of multi-layer diaphragm structure bellows |
| CN108374170A (en) * | 2016-12-20 | 2018-08-07 | 中国航空制造技术研究院 | A kind of painting method of only solder flux |
| CN114679874A (en) * | 2020-12-24 | 2022-06-28 | 富联裕展科技(深圳)有限公司 | Metal composite part, preparation method of metal composite part and shell of electronic device |
| CN112958900A (en) * | 2021-03-10 | 2021-06-15 | 上海交通大学 | Diffusion welding structure and method for ultra-multilayer thin-wall metal component |
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Open date: 20100127 |