CN108067724A - A kind of hot isostatic pressing diffusion connection method of copper chromium zirconium-stainless steel clad plate - Google Patents
A kind of hot isostatic pressing diffusion connection method of copper chromium zirconium-stainless steel clad plate Download PDFInfo
- Publication number
- CN108067724A CN108067724A CN201611018745.6A CN201611018745A CN108067724A CN 108067724 A CN108067724 A CN 108067724A CN 201611018745 A CN201611018745 A CN 201611018745A CN 108067724 A CN108067724 A CN 108067724A
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- Prior art keywords
- hot isostatic
- jacket
- stainless steel
- isostatic pressing
- copper chromium
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Classifications
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- 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
- B23K20/22—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded
- B23K20/227—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating taking account of the properties of the materials to be welded with ferrous layer
-
- 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
- B23K20/001—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by extrusion or drawing
-
- 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
- B23K20/14—Preventing or minimising gas access, or using protective gases or vacuum during welding
-
- 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
- B23K20/24—Preliminary treatment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention belongs to dissimilar metals to spread connection processing technology, specifically disclose a kind of hot isostatic pressing diffusion connection method of copper chromium zirconium stainless steel clad plate, plate joint face is subjected to polishing processing and is cleaned, jacket vacuum sealing is carried out afterwards, it is fixed on hot isostatic press, through being overpressurized, heating after pressurization, heat-insulation pressure keeping, furnace cooling and solution treatment, solve problems existing for conventional coupling arrangement, the switching performance between dissimilar metal is made to become stable, and the defects of considerably reducing linkage interface, significantly improve finished product rate.By the composite plate mechanics performance of hot isostatic pressing diffusion connection, institutional framework meets fusion test reactor product related request.
Description
Technical field
The invention belongs to dissimilar metals to spread connection processing technology, and in particular to a kind of copper chromium zirconium-stainless steel clad plate
Hot isostatic pressing diffusion connection method.
Background technology
Copper chromium zirconium-stainless steel clad plate extensive application in the preparation of the first wall components of ITER, in following fusion reactor
Important one seat is occupied in constituent material, but the conventional fabrication processes of composite plate are faced with many problems：Switching performance is not
Enough stabilizations, linkage interface existing defects, tradition explosion weldering Joining Technology process implementing condition is required harsher and product into
Product rate is not high.
The content of the invention
The object of the present invention is to provide a kind of hot isostatic pressing diffusion connection method of copper chromium zirconium-stainless steel clad plate, energy
The defects of enough significantly reducing linkage interface, mechanical property performance are stronger.
Technical scheme is as follows：
A kind of hot isostatic pressing diffusion connection method of copper chromium zirconium-stainless steel clad plate, includes the following steps：
1) plate joint face is subjected to polishing processing and cleaned
2) jacket vacuum sealing is carried out, is fixed on hot isostatic press
3) pressurize, gas medium is argon gas, purity ＞ 99.99%；
4) heating pressurization
5) heat-insulation pressure keeping；
6) furnace cooling；
7) solution treatment.
In the hot isostatic pressing diffusion connection method of above-mentioned copper chromium zirconium-stainless steel clad plate,
In step 1), copper chromium zirconium and stainless steel materials joint face are subjected to polishing processing first, and workpiece is removed with gasoline
Then surface and oil contaminant is cleaned with acetone organic solvent, finally dried up with argon gas；
In step 2), jacket is pure iron jacket, and jacket connection mode connects for argon arc welding, will be taken out after the completion of jacket in jacket
Clamp after vacuum；
In step 4), heating rate is 5.5 DEG C -6.5 DEG C, and target temperature is 960 DEG C -1000 DEG C, pressure control 100~
150MPa。
In step 5)：Heat-insulation pressure keeping condition is 960 DEG C -1000 DEG C, pressure 125MPa-135MPa, the heat-insulation pressure keeping time
For 1.5-2.5h；
In step 6), recovering medium gas can be started when being cooled to 180 DEG C less than -120 DEG C
In step 7), workpiece is placed in vacuum furnace, is warming up to 960 DEG C -1000 DEG C, time 25min-35min.
The remarkable result of the present invention is as follows：
The diffusion of copper chromium zirconium with 316L stainless steels is connected by the hot isostatic pressing technique implementation under high-temperature high-pressure state, is solved
It has determined problems existing for conventional coupling arrangement, the switching performance between dissimilar metal is made to become stable, and the company of considerably reducing
The defects of border face, significantly improve finished product rate.Pass through the composite plate mechanics performance of hot isostatic pressing diffusion connection, knot of tissue
Structure meets fusion test reactor product related request.
Description of the drawings
Fig. 1 is the flow chart of this method.
Specific embodiment
Below by the drawings and the specific embodiments, the invention will be further described.
The various reagents and material used in embodiment correspond with following requirements：
Cleaning of Parts gasoline meets GB 17930-2011/XG1-2012 standards；
Cleaning of Parts acetone meets GB/T 6026-1998 standards；
Hot isostatic pressing medium high-purity argon gas (purity >=99.99%) meets GB/T4842-1995 standards；
Handled workpiece is copper chromium zirconium, 316L stainless steel materials.
The specific steps flow of this method as shown in Figure 1,
(1) copper chromium zirconium and stainless steel linkage interface need to first carry out grinding process, and remove workpiece surface greasy dirt with gasoline, so
It is cleaned with acetone organic solvent, and is dried up with argon gas afterwards；
Such purpose is to ensure that two kinds of web contact faces are smooth, foreign and is mingled with, so as to ensure subsequent soldering processes
Reliability and quality of connection.
(2) workpiece is placed in progress argon arc welding sealing in jacket, leading to argon gas in welding process is protected, the bag made
Set vacuumizes and then clamp；
The effect of jacket is to reduce the possibility aoxidized in diffusion connection procedure, improves quality of connection and success rate；
(3) open booster pump to pressurize, gas medium is argon gas, purity ＞ 99.99%；
Heating pressure medium of the argon gas as hot isostatic pressing reparation, due to its torpescence, heating pressurizing performance is preferable；
(4) open heater to be heated, 6 DEG C/min of heating rate ＞ boost simultaneously, and temperature reaches 960 DEG C -1000 DEG C
When, pressure is controlled in 125MPa-135MPa；
The selection of above-mentioned parameter ensures that workpiece is diffused connection, reliable in quality at suitable temperature and pressure；
(5) heat-insulation pressure keeping two hours under the conditions of 960 DEG C -1000 DEG C/125MPa-135MPa, allow diffusion process fully into
Row；
(6) after keeping the temperature, furnace cooling, when temperature is less than 100 DEG C, gas recovery, by workpiece after the completion of gas recycling
It takes out.
(7) workpiece is placed in vacuum furnace, is warming up to 960 DEG C of -1000 DEG C of progress solution treatment 30min, fully eliminates
Residual stress improves workpiece mechanical property.
Claims (2)
1. a kind of hot isostatic pressing diffusion connection method of copper chromium zirconium-stainless steel clad plate, which is characterized in that include the following steps：
1) plate joint face is subjected to polishing processing and cleaned；
2) jacket vacuum sealing is carried out, is fixed on hot isostatic press；
3) pressurize, gas medium is argon gas, purity ＞ 99.99%；
4) heating pressurization；
5) heat-insulation pressure keeping；
6) furnace cooling；
7) solution treatment.
2. the hot isostatic pressing diffusion connection method of copper chromium zirconium-stainless steel clad plate as described in claim 1, it is characterised in that：
In step 1), copper chromium zirconium and stainless steel materials joint face are subjected to polishing processing first, and workpiece surface is removed with gasoline
Then greasy dirt is cleaned with acetone organic solvent, finally dried up with argon gas；
In step 2), jacket is pure iron jacket, and jacket connection mode connects for argon arc welding, will be vacuumized after the completion of jacket in jacket
Clamp afterwards；
In step 4), heating rate is 5.5 DEG C -6.5 DEG C, and target temperature is 960 DEG C -1000 DEG C, pressure control 100~
150MPa。
In step 5)：Heat-insulation pressure keeping condition is 960 DEG C -1000 DEG C, pressure 125MPa-135MPa, and the heat-insulation pressure keeping time is
1.5-2.5h；
In step 6), recovering medium gas can be started when being cooled to 180 DEG C less than -120 DEG C
In step 7), workpiece is placed in vacuum furnace, is warming up to 960 DEG C -1000 DEG C, time 25min-35min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018745.6A CN108067724A (en) | 2016-11-15 | 2016-11-15 | A kind of hot isostatic pressing diffusion connection method of copper chromium zirconium-stainless steel clad plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611018745.6A CN108067724A (en) | 2016-11-15 | 2016-11-15 | A kind of hot isostatic pressing diffusion connection method of copper chromium zirconium-stainless steel clad plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108067724A true CN108067724A (en) | 2018-05-25 |
Family
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|---|---|---|---|
| CN201611018745.6A Pending CN108067724A (en) | 2016-11-15 | 2016-11-15 | A kind of hot isostatic pressing diffusion connection method of copper chromium zirconium-stainless steel clad plate |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347147A (en) * | 2018-12-24 | 2020-06-30 | 核工业西南物理研究院 | Hot isostatic pressing connection method of tungsten and heat sink material |
| CN112077429A (en) * | 2020-08-27 | 2020-12-15 | 东北大学 | Preparation method of thick copper-steel composite board |
| CN112259317A (en) * | 2020-09-29 | 2021-01-22 | 核工业西南物理研究院 | Heat shield component of superconducting coil of thermonuclear fusion reactor and preparation method thereof |
| CN112453673A (en) * | 2020-11-05 | 2021-03-09 | 中国航发北京航空材料研究院 | Welding method for thin-wall close-packed hole column complex-structure laminate |
| CN114260553A (en) * | 2021-12-30 | 2022-04-01 | 合肥聚能电物理高技术开发有限公司 | Hot isostatic pressing repair process for connection interface of tungsten-chromium-zirconium-copper vacuum brazing part |
| 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 |
| CN116460407A (en) * | 2023-04-21 | 2023-07-21 | 西安嘉业航空科技有限公司 | Copper alloy and alloy steel workpiece and hot isostatic pressing diffusion connection method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111347147A (en) * | 2018-12-24 | 2020-06-30 | 核工业西南物理研究院 | Hot isostatic pressing connection method of tungsten and heat sink material |
| 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 |
| CN112259317A (en) * | 2020-09-29 | 2021-01-22 | 核工业西南物理研究院 | Heat shield component of superconducting coil of thermonuclear fusion reactor and preparation method thereof |
| CN112453673A (en) * | 2020-11-05 | 2021-03-09 | 中国航发北京航空材料研究院 | Welding method for thin-wall close-packed hole column complex-structure laminate |
| CN114260553A (en) * | 2021-12-30 | 2022-04-01 | 合肥聚能电物理高技术开发有限公司 | Hot isostatic pressing repair process for connection interface of tungsten-chromium-zirconium-copper vacuum brazing part |
| 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 |
| CN116460407A (en) * | 2023-04-21 | 2023-07-21 | 西安嘉业航空科技有限公司 | Copper alloy and alloy steel workpiece and hot isostatic pressing diffusion connection method thereof |
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Application publication date: 20180525 |
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