CN105499833A - High-temperature brazing material for brazing tungsten-copper alloy and copper or copper alloy and brazing method of high-temperature brazing material - Google Patents
High-temperature brazing material for brazing tungsten-copper alloy and copper or copper alloy and brazing method of high-temperature brazing material Download PDFInfo
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- CN105499833A CN105499833A CN201610055452.9A CN201610055452A CN105499833A CN 105499833 A CN105499833 A CN 105499833A CN 201610055452 A CN201610055452 A CN 201610055452A CN 105499833 A CN105499833 A CN 105499833A
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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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/302—Cu as the principal constituent
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/19—Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/206—Cleaning
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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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/001—Interlayers, transition pieces for metallurgical bonding of workpieces
- B23K35/007—Interlayers, transition pieces for metallurgical bonding of workpieces at least one of the workpieces being of copper or another noble metal
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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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0233—Sheets, foils
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/05—Alloys based on copper with manganese as the next major constituent
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a high-temperature brazing material for brazing tungsten-copper alloy and copper or copper alloy and a brazing method of the high-temperature brazing material. The high-temperature brazing material is composed of, by weight, 8.0%-12.0% of Mn, 2.0%-4.5% of Co, 2.0%-4.0% of Ni, 2.5%-4.5% of Zr and the balance of Cu. The high-temperature brazing material which is a copper-based brazing material is moderate in melting temperature and uniform in melting, thereby having high wettability and spreadability to base metal, an obtained brazing joint is high in strength and high in corrosion resistance and can be completely applied in complex environment, and the high-temperature brazing material is an economical brazing material good in comprehensive performance.
Description
Technical field
The invention belongs to dissimilar materials welding technology field, be specifically related to high-temperature brazing material and the method for welding thereof of a kind of tungsten-copper alloy and copper or copper alloy.
Background technology
Tungsten-copper alloy is combined the excellent properties of tungsten and copper, not only there is high heat-conductivity conducting rate and low thermal coefficient of expansion, also show good elevated temperature strength, thermal shock resistance and ablation resistance and dimensional stability etc., be often used as high temperature resistant connector, heat radiation substrate, heat sink material and contact material.As contact material in actual use, usually need again copper better with electric conductivity or copper alloy to be connected and use, this just requires that connecting portion not only will have good heat-conductivity conducting to tungsten-copper alloy, also will have higher bonding strength.About the method for attachment of tungsten-copper alloy and copper or copper alloy, mainly contain sintering process at present, welding, is threaded.Chinese patent 101009165 discloses a kind of preparation method connecting tungsten-copper alloy and copper tail whole electrical contact: adopt the sintering method increasing tungsten-copper alloy material transition zone between tungsten-copper alloy and copper or copper alloy copper tail to realize its integrated connection, this patented method adopts the technique of metal dust pressurization preformed, then high temperature sintering, complex process and high to equipment requirement, do not relate to the connection of molded tungsten-copper alloy part, have essence different from method provided by the invention.Chinese patent 104588809A discloses a kind of method of tungsten copper or wolfram steel and brass high-frequency welding: employing brazing material is Cu44.12% ~ 56.45%, Ti10% ~ 15%, Mg0.05 ~ 0.08%, Ag18 ~ 20%, Mn15% ~ 20%, Si0.5% ~ 0.8%, Cu, Ti, Mg, Ag, Mn, the content sum of Si be 100% strip copper base solder weld, the brazing material that this patented method adopts contains noble silver, solder cost is high, and containing Mg element in solder, can pollute vacuum brazing equipment, the tungsten copper obtained and the strength of joint of brass are at 180 ~ 186MPa.
The invention provides the high-temp soldering method of a kind of tungsten-copper alloy and copper or copper alloy, compared to above-mentioned two inventions, it is simple that the present invention has technique, and solder cost is low, the advantages such as bonding strength is high, applied widely.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides high-temperature brazing material and the method for welding thereof of a kind of tungsten-copper alloy and copper or copper alloy.
Technical scheme: for solving the problems of the technologies described above, a kind of high-temperature brazing material for soldering tungsten-copper alloy and copper or copper alloy of the present invention, described high-temperature brazing material is composed of the following components by weight percentage: Mn8.0% ~ 12.0%, Co2.0% ~ 4.5%, Ni2.0% ~ 4.0%, Zr2.5% ~ 4.5%, surplus is Cu.
Further, described high-temperature brazing material is foil-like.
Further, described high-temperature brazing material thickness is 60 ~ 150 μm.
The above-mentioned high-temp soldering method for soldering tungsten-copper alloy and copper or copper alloy, described high-temp soldering method comprises the following steps:
(1) preparatory stage: tungsten-copper alloy to be welded, copper or copper alloy sample end face are cleared up, impurity, greasy dirt and oxide-film that removing is surperficial, W40 ~ W7 abrasive paper for metallograph is utilized to carry out grinding smooth, to carry out grinding smooth by two-sided for solder paillon foil to utilize W7 abrasive paper for metallograph, after grinding, sample to be welded and solder paillon foil are placed in acetone together, adopt Ultrasonic Cleaning 15 ~ 20min, and carry out drying and processing;
(2) assembling stage: the solder paillon foil after cleaning is placed between tungsten-copper alloy and copper or copper alloy welding surface, and be close to and be assemblied in special brazing jig, guarantee the precision connected, fixture is placed the pressure head of nominal-mass, produce the constant perpendicular pressure of 0.05 ~ 0.08MPa;
(3) the brazing stage: the fixture entirety assembled is placed in vacuum and is not less than 1 × 10
-3in the brazing equipment of Pa, first with ramp to 300 ~ 350 DEG C of 8 ~ 12 DEG C/min, insulation 15 ~ 20min, again with ramp to 700 ~ 850 DEG C of 5 ~ 8 DEG C/min, temperature retention time 15 ~ 20min, continue to be warming up to brazing temperature 960 ~ 1050 DEG C with the speed of 6 ~ 10 DEG C/min again, temperature retention time 20 ~ 40min, 800 ~ 850 DEG C are cooled to again with the speed of 10 ~ 15 DEG C/min, temperature retention time 10 ~ 15min, be cooled to 400 ~ 450 DEG C with the speed of 5 ~ 8 DEG C/min again, finally cool to room temperature with the furnace, complete welding; The method heated up gradually in multiple stage rank is adopted in brazing process, when effectively can alleviate tungsten-copper alloy and Copper and its alloy dissimilar material joining, the stress caused because of the thermophysical property such as thermal coefficient of expansion and thermal conductivity factor and connector shape is concentrated, and improves the mechanical property of joint.
Brazing material provided by the invention, makes solder have good soldering processes performance, heat-and corrosion-resistant performance and processing characteristics by rationally adding multiple alloying element, meets tungsten-copper alloy and copper or the performance requirement of copper alloy soldered fitting in complex environment.Wherein adding appropriate Mn element one is can improve the performance of soldered fitting by solid solution effect, two be Mn be added in the resistance to elevated temperatures that also can improve joint to a certain extent; Add appropriate Co element both can avoid generating cenotype in solder, the form of phase composition material can be changed again, to the refining effect of specific phase clearly; Add heat-and corrosion-resistant and elevated temperature strength that appropriate Ni element can improve joint; Add appropriate Zr element to be conducive to reducing solder fusing point, improve alloy flowability; A large amount of Cu elements is conducive to improving solder to the wetability of mother metal and solid solution ability simultaneously, improves plasticity and the intensity of solder alloy.
Soldering processes provided by the invention adopt first tungsten-copper alloy to be put into special brazing jig with copper or copper alloy in the mode of docking, again sample and fixture are together put into vacuum drying oven and complete soldering, high vacuum environment coordinates rational processing parameter setting, make whole component without distortion, without microfissure, pore with the defect such as to be mingled with, contribute to the soldered fitting obtaining good mechanical properties.
Beneficial effect: the present invention in terms of existing technologies, has the following advantages:
(1) copper base solder brazing temperature provided by the invention is at 960 DEG C ~ 1050 DEG C, brazing filler metal melts moderate temperature, brazing filler metal melts is even, by the mutual beneficial effect between constituent content, make solder have good wetability and spreadability to mother metal, the soldering joint strength of acquisition is high, and corrosion resistance is good, completely can be applied in complex environment, be the good economical solder of a kind of combination property.
(2) the soldering processes advantages of simple of the present invention's design; adopt method for welding in vacuum drying oven; brazing process need not add brazing flux and other safeguard measures; high vacuum environment coordinates rational processing parameter setting; make whole component without distortion; without microfissure, pore with the defect such as to be mingled with, contribute to the soldered fitting obtaining good mechanical properties.
(3) copper base solder provided by the invention has excellent normal temperature and high-temperature behavior, with mother metal, solid solution metallurgical reaction can fully occur, and the soldering processes simple and practical with the use of the present invention finally can obtain the good jointing of combination property.
Accompanying drawing explanation
Fig. 1 is the braze-welded structure part structural representation of embodiment 1.
Detailed description of the invention
Embodiment 1
Tungsten-copper alloy and red copper is selected to carry out banjo fixing butt jointing vacuum brazing.Wherein tungsten-copper alloy and red copper specimen size are 20mm × 20mm × 5mm, and to be brazed is 20mm × 5mm cross section.
Composition and the mass percent proportioning of solder are: Mn10.0%, Co3.0%, Ni3.5%, Zr2.5%, and surplus is Cu.Solder thickness is 60 μm.
Soldering process step is:
(1) preparatory stage: tungsten-copper alloy to be welded, red copper sample end face are cleared up, impurity, greasy dirt and oxide-film that removing is surperficial, W40 ~ W7 abrasive paper for metallograph is utilized to carry out grinding smooth, to carry out grinding smooth by two-sided for solder paillon foil to utilize W7 abrasive paper for metallograph, after grinding, sample to be welded and solder paillon foil are placed in acetone together, adopt Ultrasonic Cleaning 15 ~ 20min, and carry out drying and processing;
(2) assembling stage: the solder paillon foil after cleaning is placed between tungsten-copper alloy and red copper welding surface, and be close to and be assemblied in special brazing jig, guarantee the precision connected, fixture is placed the pressure head of nominal-mass, produce the constant perpendicular pressure of 0.05MPa;
(3) the brazing stage: the fixture entirety assembled is placed in vacuum and is not less than 1 × 10
-3in the brazing equipment of Pa, first with the ramp to 350 DEG C of 12 DEG C/min, insulation 15min, then with the ramp to 800 DEG C of 8 DEG C/min, temperature retention time 15min, continue to be warming up to brazing temperature 1040 DEG C, temperature retention time 30min with the speed of 10 DEG C/min again, then be cooled to 800 DEG C with the speed of 12 DEG C/min, temperature retention time 15min, be cooled to 450 DEG C with the speed of 5 DEG C/min again, finally cool to room temperature with the furnace, complete welding.
Result: as shown in Figure 1, tungsten-copper alloy and the copper connector of soldering acquisition are well shaping, and metallographic observation finds that brazing area forms fine and close interface cohesion, and alloying component is evenly distributed, and room temperature four-point bending intensity is 710MPa.
Embodiment 2
Tungsten-copper alloy and brass is selected to carry out banjo fixing butt jointing vacuum brazing.Wherein tungsten-copper alloy and brass specimen size are 20mm × 20mm × 5mm, and to be brazed is 20mm × 5mm cross section.
Composition and the mass percent proportioning of solder are: Mn12.0%, Co4.0%, Ni3.0%, Zr4.0%, and surplus is Cu.Solder thickness is 80 μm.
Soldering process step is:
(1) preparatory stage: tungsten-copper alloy to be welded, brass sample end face are cleared up, impurity, greasy dirt and oxide-film that removing is surperficial, W40 ~ W7 abrasive paper for metallograph is utilized to carry out grinding smooth, to carry out grinding smooth by two-sided for solder paillon foil to utilize W7 abrasive paper for metallograph, after grinding, sample to be welded and solder paillon foil are placed in acetone together, adopt Ultrasonic Cleaning 15 ~ 20min, and carry out drying and processing;
(2) assembling stage: the solder paillon foil after cleaning is placed between tungsten-copper alloy and brass welding surface, and be close to and be assemblied in special brazing jig, guarantee the precision connected, fixture is placed the pressure head of nominal-mass, produce the constant perpendicular pressure of 0.06MPa;
(3) the brazing stage: the fixture entirety assembled is placed in vacuum and is not less than 1 × 10
-3in the brazing equipment of Pa, first with the ramp to 300 DEG C of 9 DEG C/min, insulation 15min, then with the ramp to 800 DEG C of 7 DEG C/min, temperature retention time 15min, continue to be warming up to brazing temperature 1000 DEG C, temperature retention time 30min with the speed of 8 DEG C/min again, then be cooled to 800 DEG C with the speed of 10 DEG C/min, temperature retention time 15min, be cooled to 400 DEG C with the speed of 7 DEG C/min again, finally cool to room temperature with the furnace, complete welding.
Result: tungsten-copper alloy and the brazed joint of soldering acquisition are well shaping, and metallographic observation finds that brazing area forms fine and close interface cohesion, and alloying component is evenly distributed, and room temperature four-point bending intensity is 640MPa.
Embodiment 3
Tungsten-copper alloy and red copper is selected to carry out banjo fixing butt jointing vacuum brazing.Wherein tungsten-copper alloy and aluminium bronze specimen size are 20mm × 20mm × 5mm, and to be brazed is 20mm × 5mm cross section.
Composition and the mass percent proportioning of solder are: Mn11.0%, Co3.5%, Ni3.0%, Zr4.5%, and surplus is Cu.Solder thickness is 100 μm.
Soldering process step is:
(1) preparatory stage: tungsten-copper alloy to be welded, aluminium bronze sample end face are cleared up, impurity, greasy dirt and oxide-film that removing is surperficial, W40 ~ W7 abrasive paper for metallograph is utilized to carry out grinding smooth, to carry out grinding smooth by two-sided for solder paillon foil to utilize W7 abrasive paper for metallograph, after grinding, sample to be welded and solder paillon foil are placed in acetone together, adopt Ultrasonic Cleaning 15 ~ 20min, and carry out drying and processing;
(2) assembling stage: the solder paillon foil after cleaning is placed between tungsten-copper alloy and aluminium bronze welding surface, and be close to and be assemblied in special brazing jig, guarantee the precision connected, fixture is placed the pressure head of nominal-mass, produce the constant perpendicular pressure of 0.07MPa;
(3) the brazing stage: the fixture entirety assembled is placed in vacuum and is not less than 1 × 10
-3in the brazing equipment of Pa, first with the ramp to 300 DEG C of 8 DEG C/min, insulation 15min, then with the ramp to 800 DEG C of 5 DEG C/min, temperature retention time 15min, continue to be warming up to brazing temperature 980 DEG C, temperature retention time 30min with the speed of 7 DEG C/min again, then be cooled to 800 DEG C with the speed of 10 DEG C/min, temperature retention time 15min, be cooled to 400 DEG C with the speed of 6 DEG C/min again, finally cool to room temperature with the furnace, complete welding.
Result: tungsten-copper alloy and the copper connector of soldering acquisition are well shaping, and metallographic observation finds that brazing area forms fine and close interface cohesion, and alloying component is evenly distributed, and room temperature four-point bending intensity is 610MPa.
Embodiment 4
Tungsten-copper alloy and red copper is selected to carry out banjo fixing butt jointing vacuum brazing.Wherein tungsten-copper alloy and aluminium bronze specimen size are 20mm × 20mm × 5mm, and to be brazed is 20mm × 5mm cross section.
Composition and the mass percent proportioning of solder are: Mn12.0%, Co2%, Ni4%, Zr3%, and surplus is Cu.Solder thickness is 100 μm.
Soldering process step is:
(1) preparatory stage: tungsten-copper alloy to be welded, aluminium bronze sample end face are cleared up, impurity, greasy dirt and oxide-film that removing is surperficial, W40 ~ W7 abrasive paper for metallograph is utilized to carry out grinding smooth, to carry out grinding smooth by two-sided for solder paillon foil to utilize W7 abrasive paper for metallograph, after grinding, sample to be welded and solder paillon foil are placed in acetone together, adopt Ultrasonic Cleaning 15 ~ 20min, and carry out drying and processing;
(2) assembling stage: the solder paillon foil after cleaning is placed between tungsten-copper alloy and aluminium bronze welding surface, and be close to and be assemblied in special brazing jig, guarantee the precision connected, fixture is placed the pressure head of nominal-mass, produce the constant perpendicular pressure of 0.07MPa;
(3) the brazing stage: the fixture entirety assembled is placed in vacuum and is not less than 1 × 10
-3in the brazing equipment of Pa, first with the ramp to 300 DEG C of 8 DEG C/min, insulation 15min, then with the ramp to 800 DEG C of 5 DEG C/min, temperature retention time 15min, continue to be warming up to brazing temperature 980 DEG C, temperature retention time 30min with the speed of 7 DEG C/min again, then be cooled to 800 DEG C with the speed of 10 DEG C/min, temperature retention time 15min, be cooled to 400 DEG C with the speed of 6 DEG C/min again, finally cool to room temperature with the furnace, complete welding.
Result: tungsten-copper alloy and the copper connector of soldering acquisition are well shaping, and metallographic observation finds that brazing area forms fine and close interface cohesion, and alloying component is evenly distributed, and room temperature four-point bending intensity is 612MPa.
Embodiment 5
Tungsten-copper alloy and red copper is selected to carry out banjo fixing butt jointing vacuum brazing.Wherein tungsten-copper alloy and aluminium bronze specimen size are 20mm × 20mm × 5mm, and to be brazed is 20mm × 5mm cross section.
Composition and the mass percent proportioning of solder are: Mn8.0%, Co4.5%, Ni2.0%, Zr4.5%, and surplus is Cu.Solder thickness is 100 μm.
Soldering process step is:
(1) preparatory stage: tungsten-copper alloy to be welded, aluminium bronze sample end face are cleared up, impurity, greasy dirt and oxide-film that removing is surperficial, W40 ~ W7 abrasive paper for metallograph is utilized to carry out grinding smooth, to carry out grinding smooth by two-sided for solder paillon foil to utilize W7 abrasive paper for metallograph, after grinding, sample to be welded and solder paillon foil are placed in acetone together, adopt Ultrasonic Cleaning 15 ~ 20min, and carry out drying and processing;
(2) assembling stage: the solder paillon foil after cleaning is placed between tungsten-copper alloy and aluminium bronze welding surface, and be close to and be assemblied in special brazing jig, guarantee the precision connected, fixture is placed the pressure head of nominal-mass, produce the constant perpendicular pressure of 0.07MPa;
(3) the brazing stage: the fixture entirety assembled is placed in vacuum and is not less than 1 × 10
-3in the brazing equipment of Pa, first with the ramp to 300 DEG C of 8 DEG C/min, insulation 15min, then with the ramp to 800 DEG C of 5 DEG C/min, temperature retention time 15min, continue to be warming up to brazing temperature 980 DEG C, temperature retention time 30min with the speed of 7 DEG C/min again, then be cooled to 800 DEG C with the speed of 10 DEG C/min, temperature retention time 15min, be cooled to 400 DEG C with the speed of 6 DEG C/min again, finally cool to room temperature with the furnace, complete welding.
Result: tungsten-copper alloy and the copper connector of soldering acquisition are well shaping, and metallographic observation finds that brazing area forms fine and close interface cohesion, and alloying component is evenly distributed, and room temperature four-point bending intensity is 605MPa.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. the high-temperature brazing material for soldering tungsten-copper alloy and copper or copper alloy, it is characterized in that: described high-temperature brazing material is composed of the following components by weight percentage: Mn8.0% ~ 12.0%, Co2.0% ~ 4.5%, Ni2.0% ~ 4.0%, Zr2.5% ~ 4.5%, surplus is Cu.
2. the high-temperature brazing material for soldering tungsten-copper alloy and copper or copper alloy according to claim 1, is characterized in that: described high-temperature brazing material is foil-like.
3. the high-temperature brazing material for soldering tungsten-copper alloy and copper or copper alloy according to claim 1, is characterized in that: described high-temperature brazing material thickness is 60 ~ 150 μm.
4. the high-temp soldering method for soldering tungsten-copper alloy and copper or copper alloy according to claim 1, is characterized in that: described high-temp soldering method comprises the following steps:
(1) preparatory stage: sample tungsten-copper alloy to be welded, copper or copper alloy sample end face are cleared up, then grinding is carried out to sample end face smooth, to carry out grinding smooth by two-sided for brazing material paillon foil again, after grinding, sample to be welded and brazing material paillon foil are placed in acetone together, adopt Ultrasonic Cleaning 15 ~ 20min, and carry out drying and processing;
(2) assembling stage: the brazing material paillon foil after cleaning is placed between tungsten-copper alloy and copper or copper alloy welding surface, and be close to and be assemblied in special brazing jig, guarantee the precision connected, fixture is placed the pressure head of nominal-mass, produces the constant perpendicular pressure of 0.05 ~ 0.08MPa;
(3) the brazing stage: the fixture entirety assembled is placed in vacuum and is not less than 1 × 10
-3welding is completed in the brazing equipment of Pa.
5. the high-temp soldering method for soldering tungsten-copper alloy and copper or copper alloy according to claim 4, is characterized in that: adopt W40 ~ W7 abrasive paper for metallograph to grind to the grinding of sample to be welded in described step (1).
6. the high-temp soldering method for soldering tungsten-copper alloy and copper or copper alloy according to claim 4, is characterized in that: adopt W7 abrasive paper for metallograph to grind to brazing material paillon foil in described step (1).
7. the high-temp soldering method for soldering tungsten-copper alloy and copper or copper alloy according to claim 4, is characterized in that: the welding concrete steps in described step (3) are:
First with ramp to 300 ~ 350 DEG C of 8 ~ 12 DEG C/min, insulation 15 ~ 20min, again with ramp to 700 ~ 850 DEG C of 5 ~ 8 DEG C/min, temperature retention time 15 ~ 20min, continue to be warming up to brazing temperature 960 ~ 1050 DEG C with the speed of 6 ~ 10 DEG C/min again, temperature retention time 20 ~ 40min, 800 ~ 850 DEG C are cooled to again with the speed of 10 ~ 15 DEG C/min, temperature retention time 10 ~ 15min, 400 ~ 450 DEG C are cooled to again with the speed of 5 ~ 8 DEG C/min, finally cool to room temperature with the furnace, complete welding.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965176A (en) * | 2016-07-20 | 2016-09-28 | 江苏科技大学 | Ni-based rapidly-cooled brazing material and brazing process for brazing tungsten-copper alloy and stainless steel |
| CN106041365A (en) * | 2016-08-19 | 2016-10-26 | 江苏科技大学 | Brazing filler metal and process for brazing molybdenum-rhenium alloy |
| CN106141494A (en) * | 2016-07-26 | 2016-11-23 | 江苏科技大学 | For the solder of soldering molybdenum rhenium alloys foil and preparation method and soldering processes |
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| CN106862693A (en) * | 2017-03-27 | 2017-06-20 | 武汉工程大学 | A kind of tungsten/copper or tungsten/steel joint and preparation method thereof |
| CN107891214A (en) * | 2017-11-08 | 2018-04-10 | 国网山东省电力公司电力科学研究院 | A kind of method for the copper surface cladding tungsten copper for increasing material based on electric arc |
| CN109848608A (en) * | 2019-03-08 | 2019-06-07 | 任耀文 | A kind of solder alloy suitable for 34CrNi3Mo rotor part |
| CN111438412A (en) * | 2020-04-16 | 2020-07-24 | 山东威尔斯通钨业有限公司 | Tungsten-copper alloy surface silver spraying technology |
| CN112317992A (en) * | 2020-11-04 | 2021-02-05 | 湖南盛华源材料科技有限公司 | Novel vacuum welding material and preparation method thereof |
| CN112355461A (en) * | 2020-11-18 | 2021-02-12 | 河南东微电子材料有限公司 | Method for welding magnesium target and copper back plate |
| CN112355427A (en) * | 2020-11-02 | 2021-02-12 | 河南东微电子材料有限公司 | Method for welding magnesium oxide target and back plate |
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| CN105965176A (en) * | 2016-07-20 | 2016-09-28 | 江苏科技大学 | Ni-based rapidly-cooled brazing material and brazing process for brazing tungsten-copper alloy and stainless steel |
| CN106141494A (en) * | 2016-07-26 | 2016-11-23 | 江苏科技大学 | For the solder of soldering molybdenum rhenium alloys foil and preparation method and soldering processes |
| CN106041365A (en) * | 2016-08-19 | 2016-10-26 | 江苏科技大学 | Brazing filler metal and process for brazing molybdenum-rhenium alloy |
| CN106283127A (en) * | 2016-08-25 | 2017-01-04 | 西安航天动力机械厂 | A kind of conductive electrode for foil machine and preparation method thereof |
| CN106862693A (en) * | 2017-03-27 | 2017-06-20 | 武汉工程大学 | A kind of tungsten/copper or tungsten/steel joint and preparation method thereof |
| CN107891214A (en) * | 2017-11-08 | 2018-04-10 | 国网山东省电力公司电力科学研究院 | A kind of method for the copper surface cladding tungsten copper for increasing material based on electric arc |
| CN109848608A (en) * | 2019-03-08 | 2019-06-07 | 任耀文 | A kind of solder alloy suitable for 34CrNi3Mo rotor part |
| CN111438412A (en) * | 2020-04-16 | 2020-07-24 | 山东威尔斯通钨业有限公司 | Tungsten-copper alloy surface silver spraying technology |
| CN112355427A (en) * | 2020-11-02 | 2021-02-12 | 河南东微电子材料有限公司 | Method for welding magnesium oxide target and back plate |
| CN112317992A (en) * | 2020-11-04 | 2021-02-05 | 湖南盛华源材料科技有限公司 | Novel vacuum welding material and preparation method thereof |
| CN112355461A (en) * | 2020-11-18 | 2021-02-12 | 河南东微电子材料有限公司 | Method for welding magnesium target and copper back plate |
| JP7192165B1 (en) * | 2021-07-06 | 2022-12-19 | 株式会社アライドマテリアル | Composite material |
| WO2023281862A1 (en) * | 2021-07-06 | 2023-01-12 | 株式会社アライドマテリアル | Composite material |
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