CN1583353A - High-temperature brazing material for palladium-containing nickel-based multi-element alloy - Google Patents
High-temperature brazing material for palladium-containing nickel-based multi-element alloy Download PDFInfo
- Publication number
- CN1583353A CN1583353A CN 200410042563 CN200410042563A CN1583353A CN 1583353 A CN1583353 A CN 1583353A CN 200410042563 CN200410042563 CN 200410042563 CN 200410042563 A CN200410042563 A CN 200410042563A CN 1583353 A CN1583353 A CN 1583353A
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- CN
- China
- Prior art keywords
- alloy
- temperature
- brazing material
- nickel
- palladium
- 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.)
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 34
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 title claims abstract description 25
- 238000005219 brazing Methods 0.000 title claims abstract description 20
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 15
- 229910052763 palladium Inorganic materials 0.000 title claims abstract description 11
- 229910001325 element alloy Inorganic materials 0.000 title 1
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 29
- 239000000956 alloy Substances 0.000 claims abstract description 29
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 8
- 229910052737 gold Inorganic materials 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 229910000929 Ru alloy Inorganic materials 0.000 abstract description 8
- 229910000575 Ir alloy Inorganic materials 0.000 abstract description 7
- 238000007796 conventional method Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract 1
- 229910000679 solder Inorganic materials 0.000 description 25
- 238000005476 soldering Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 238000003892 spreading Methods 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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Abstract
A palladium-containing nickel-based multi-component alloy high-temperature brazing material relates to a nickel-based multi-component brazing material which is used in high-temperature and strong-corrosive medium environments and takes ruthenium alloy, iridium alloy and high-temperature alloy as base materials. The formula is characterized by comprising the following components in percentage by weight: pd: 20% -30%, Au: 15% -25%, Fe: 10% -20%, Co: 2% -8%, W: 0.5 to 6 percent, and the balance of nickel and inevitable impurities. The brazing material of the invention is used for brazing ruthenium alloy, iridium alloy and high-temperature alloy by a conventional method, has good wettability on a base material, and has an extension area of 500mm2The maximum gap filling clearance of the brazing material is 0.25mm, and the high-temperature tensile strength of the welding seam reaches more than 160MPa at the high temperature of 1100 ℃.
Description
Technical field
A kind of palladium nickel-base multicomponent alloy high-temperature brazing material that contains relates to a kind of high temperature and strong corrosive media environment of being used for, and is the nickel based multielement cored solder of base material with ruthenium alloy, iridium alloy, high temperature alloy.
Background technology
At present, the cored solder of using under hot environment mainly contains Ni-based solder, manganese base brazing material and cobalt-based cored solder.Ni-based solder has good plasticity and moderate strength, usually be used for refractory metals such as soldering tungsten, molybdenum, but its calorific intensity is not enough, uses in strong corrosive media, poor corrosion resistance.Mostly the cobalt-based cored solder is with Co-Cr-Ni solid solution serves as that other elements of base adding are formed, and because of Co-Cr-Ni solid solution fusion temperature height, often need to add the melting temperature of boron with the reduction alloy, but boron is easy to form Co
3The B frangible compounds reduces solder joint intensity, has limited its use.The manganese base brazing material, because its vapour pressure is higher, should not in vacuum brazing, use, simultaneously because manganese base brazing material high-temperature oxidation resistant and corrosion resistance are relatively poor, although it has higher room temperature strength and elevated temperature strength, at some reliability requirement height, it is used and also is subjected to certain limitation in high temperature and the Korrosionsmedium.
Summary of the invention
Purpose of the present invention is exactly the deficiency that exists at above-mentioned prior art, provide elevated temperature strength height after a kind of and ruthenium alloy, iridium alloy and the high temperature alloy soldering, wetability good, and can in high temperature and strong corrosive medium environment, stablize use contain palladium nickel based multielement high-temperature brazing material.
The objective of the invention is to be achieved through the following technical solutions.
A kind of palladium nickel-base multicomponent alloy high-temperature brazing material that contains is characterized in that its percentage by weight consists of: Pd:20%-30%, and Au:15%-25%, Fe:10%-20%, Co:2%-8%, W:0.5%-6%, surplus is nickel and unavoidable impurities.
Conventional method is adopted in the preparation of cored solder of the present invention, comprise and adopt nominal alloy composition batching, intermediate frequency furnace is smelted into ingot, and ingot casting is by homogenizing annealing, hot rolling, cold rolling, intermediate annealing, make the palladium nickel based multielement high-temperature brazing material that contains of the present invention through finish rolling at last.
The palladium nickel based multielement high-temperature brazing material that contains of the present invention, owing in the cored solder alloy, contain the fusing point that Pd has reduced cored solder, improved the cored solder flowability, reduce the crystal orientation infiltration, allow bigger joint gap, improved the wettability and the seam-filling ability of cored solder; Contain Au and form low melting point solid solution, reduced the fusing point of cored solder, improved cored solder, improved the plasticity of cored solder the wettability of base material and the resistance to corrosion of weld seam; Contain the mechanical property that Fe can improve cored solder; Contain Co and can reduce cored solder erodible to base material, improve the high-temperature behavior of weldering Feng; Containing W has good alloying action to high temperature alloy, and the weld seam high-temperature behavior is further improved.
1130 ℃-1210 ℃ of the cored solder fusion temperatures of cored solder alloy of the present invention, brazing temperature are 1250 ℃-1280 ℃.After ruthenium alloy, iridium alloy, high temperature alloy soldering, wetability is good, and the weld seam elevated temperature strength is good, and the corrosion resistance excellence can use steady in a long-term under 1100 ℃ of high temperature and strong corrosive media environment.
The specific embodiment
Below in conjunction with example method of the present invention is described further.
A kind of palladium nickel-base multicomponent alloy high-temperature brazing material that contains is characterized in that its percentage by weight consists of: Pb:20%-30%, and Au:15%-25%, Fe:10%-20%, Co:2%-8%, W:0.5%-6%, surplus is nickel and unavoidable impurities.
By nominal composition batching, adopt conventional intermediate frequency furnace to be melt into ingot cored solder composition of the present invention, through homo genizing annelaing, finish rolling makes the palladium nickel based multielement high-temperature brazing material that contains of the present invention.Cored solder of the present invention conventional method soldering ruthenium alloy, iridium alloy and high temperature alloy, its wetability on mother metal is good, and the extension area reaches 500mm
2More than, the maximum joint filling of cored solder gap is 0.25mm, under 1100 ℃ of high temperature, the weld seam high temperature tensile strength reaches more than the 160MPa.
Embodiment 1
Press alloy name composition batching, adopt conventional intermediate frequency furnace to be smelted into ingot, the percentage by weight of alloy consists of: Pd:21%, Au:25%, Fe:16.2%, Co:2.3%, W:0.6%, surplus is nickel and unavoidable impurities, the alloy that makes is processed into the sheet material that thickness is 0.12mm, with conventional method soldering ruthenium alloy and high temperature alloy, its wetability on mother metal is good, spreading area 505mm
2, the maximum joint filling of cored solder gap is 0.25mm, weld seam under 1100 ℃ of high temperature, hot strength 167MPa.
Embodiment 2
Press alloy name composition batching, adopt conventional intermediate frequency furnace to be smelted into ingot, the percentage by weight of alloy consists of: Pd:30%, Au:20%, Fe:10.5%, Co:4.5%, W:1.3%, surplus is nickel and unavoidable impurities, the alloy that makes is processed into the sheet material that thickness is 0.10mm, with conventional method soldering iridium alloy and high temperature alloy, its wetability on mother metal is good, spreading area 530mm
2, the maximum joint filling of cored solder gap is 0.25mm, weld seam under 1100 ℃ of high temperature, hot strength 202MPa.
Embodiment 3
Press alloy name composition batching, adopt conventional intermediate frequency furnace to be smelted into ingot, the percentage by weight of alloy consists of: Pd:30%, Au:15%, Fe:12.5%, Co:3.5%, W:2%, surplus is nickel and unavoidable impurities, the alloy that makes is processed into the silk material that diameter is 0.5mm, with conventional method soldering ruthenium alloy and high temperature alloy, its wetability on mother metal is good, spreading area 565mm
2, the maximum joint filling of cored solder gap is 0.25mm, weld seam under 1100 ℃ of high temperature, hot strength 190MPa.
Claims (1)
- A kind of palladium nickel-base multicomponent alloy high-temperature brazing material that contains is characterized in that its percentage by weight consists of: Pd:20%-30%, and Au:15%-25%, Fe:10%-20%, Co:2%-8%, W:0.6%-6%, surplus is nickel and unavoidable impurities.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200410042563 CN1267244C (en) | 2004-05-24 | 2004-05-24 | High-temperature brazing material for palladium-containing nickel-based multi-element alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200410042563 CN1267244C (en) | 2004-05-24 | 2004-05-24 | High-temperature brazing material for palladium-containing nickel-based multi-element alloy |
Publications (2)
Publication Number | Publication Date |
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CN1583353A true CN1583353A (en) | 2005-02-23 |
CN1267244C CN1267244C (en) | 2006-08-02 |
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CN 200410042563 Expired - Fee Related CN1267244C (en) | 2004-05-24 | 2004-05-24 | High-temperature brazing material for palladium-containing nickel-based multi-element alloy |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100431772C (en) * | 2005-08-31 | 2008-11-12 | 安徽华东光电技术研究所 | Solder using for impregnated barium-tungsten cathode and method for using same |
CN100431770C (en) * | 2005-08-31 | 2008-11-12 | 安徽华东光电技术研究所 | Impregnated barium-tungsten cathode solder and method for using same |
CN100443247C (en) * | 2005-08-31 | 2008-12-17 | 安徽华东光电技术研究所 | Impregnated barium-tungsten cathode solder and method for using same |
-
2004
- 2004-05-24 CN CN 200410042563 patent/CN1267244C/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100431772C (en) * | 2005-08-31 | 2008-11-12 | 安徽华东光电技术研究所 | Solder using for impregnated barium-tungsten cathode and method for using same |
CN100431770C (en) * | 2005-08-31 | 2008-11-12 | 安徽华东光电技术研究所 | Impregnated barium-tungsten cathode solder and method for using same |
CN100443247C (en) * | 2005-08-31 | 2008-12-17 | 安徽华东光电技术研究所 | Impregnated barium-tungsten cathode solder and method for using same |
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Publication number | Publication date |
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CN1267244C (en) | 2006-08-02 |
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