JP2019025545A - 超合金を溶接する方法 - Google Patents
超合金を溶接する方法 Download PDFInfo
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- JP2019025545A JP2019025545A JP2018109923A JP2018109923A JP2019025545A JP 2019025545 A JP2019025545 A JP 2019025545A JP 2018109923 A JP2018109923 A JP 2018109923A JP 2018109923 A JP2018109923 A JP 2018109923A JP 2019025545 A JP2019025545 A JP 2019025545A
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000003466 welding Methods 0.000 title claims abstract description 51
- 229910000601 superalloy Inorganic materials 0.000 title claims abstract description 45
- 239000000945 filler Substances 0.000 claims abstract description 100
- 229910052751 metal Inorganic materials 0.000 claims abstract description 67
- 239000002184 metal Substances 0.000 claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 61
- 238000005219 brazing Methods 0.000 claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims description 40
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 33
- 239000007789 gas Substances 0.000 claims description 27
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 18
- 229910001026 inconel Inorganic materials 0.000 claims description 18
- 238000001513 hot isostatic pressing Methods 0.000 claims description 17
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 16
- 229910052759 nickel Inorganic materials 0.000 claims description 16
- 238000002844 melting Methods 0.000 claims description 11
- 230000008018 melting Effects 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 8
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 8
- 239000001307 helium Substances 0.000 claims description 8
- 229910052734 helium Inorganic materials 0.000 claims description 8
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 8
- 229910001119 inconels 625 Inorganic materials 0.000 claims description 8
- 229910001055 inconels 600 Inorganic materials 0.000 claims description 7
- 229910001063 inconels 617 Inorganic materials 0.000 claims description 7
- 229910000819 inconels 713 Inorganic materials 0.000 claims description 7
- 229910000880 inconels 792 Inorganic materials 0.000 claims description 7
- 229910001284 inconels 939 Inorganic materials 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 description 17
- 229910052799 carbon Inorganic materials 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 13
- 238000000576 coating method Methods 0.000 description 13
- 229910052750 molybdenum Inorganic materials 0.000 description 10
- 229910052721 tungsten Inorganic materials 0.000 description 9
- 229910052758 niobium Inorganic materials 0.000 description 6
- 229910052715 tantalum Inorganic materials 0.000 description 6
- 229910052748 manganese Inorganic materials 0.000 description 5
- 229910052726 zirconium Inorganic materials 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000010953 base metal Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 229910000816 inconels 718 Inorganic materials 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910001088 rené 41 Inorganic materials 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
- 229910052727 yttrium Inorganic materials 0.000 description 1
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- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
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- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/123—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
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- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/144—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor the fluid stream containing particles, e.g. powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/34—Laser welding for purposes other than joining
-
- 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
- B23K35/3033—Ni as the principal constituent
- B23K35/304—Ni as the principal constituent with Cr as the next major constituent
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- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/0203—Inserts
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- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
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- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
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- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
- B23P6/002—Repairing turbine components, e.g. moving or stationary blades, rotors
- B23P6/007—Repairing turbine components, e.g. moving or stationary blades, rotors using only additive methods, e.g. build-up welding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/005—Repairing methods or devices
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- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/001—Turbines
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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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
- B23K2103/26—Alloys of Nickel and Cobalt and Chromium
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2241/00—Treatments in a special environment
- C21D2241/01—Treatments in a special environment under pressure
- C21D2241/02—Hot isostatic pressing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
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- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
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- F05D2230/235—TIG or MIG welding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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- F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
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- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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Abstract
Description
[実施態様1]
超合金構成部品(10)を溶接する方法(100)であって、
(a)不活性雰囲気中で溶加材金属(14)を使用して前記構成部品にある凹部(12)を溶接するステップ(110)と、
(b)前記不活性雰囲気中で前記溶加材金属と前記構成部品の一部分とを溶接溶加材層(18)で被覆するステップ(120)であって、前記溶接溶加材層が、前記構成部品を構成する材料および前記溶加材金属を構成する材料よりも延性が大きい、ステップ(120)と、
(c)前記溶接溶加材層をろう付け材(20)で被覆するステップ(130)、およびろう付け作業を実施するステップと、
(d)前記構成部品を熱処理するステップ(140)と
を順番に含む方法(100)。
[実施態様2]
前記超合金構成部品(10)が高ガンマプライム超合金よりなる、実施態様1記載の方法。
[実施態様3]
前記高ガンマプライム超合金が、
B−1900、GTD−111、Inconel100、Inconel713、Inconel738、Inconel792、Inconel939、Mar−M−246、Mar−M−509、Rene77、Rene108、Rene125、またはU−500、CM247、MarM247
のうちの少なくとも1つを含む、実施態様2記載の方法。
[実施態様4]
前記溶加材金属(14)が、
GTD−262、GTD−111、R−108LC、R−108、MarM247、IN738、GTD−222
のうちの少なくとも1つを含む、実施態様1記載の方法。
[実施態様5]
前記不活性雰囲気が、
アルゴンガス、窒素ガス、ヘリウムガス、または二酸化炭素ガス
を含む、実施態様1記載の方法。
[実施態様6]
前記溶接溶加材層(18)が、
ニッケル、H−230、Inconel600、Inconel617、Inconel625、またはYanalloy
のうちの少なくとも1つを含む、実施態様1記載の方法。
[実施態様7]
前記ろう付け材(20)が、
D15、DF−4B、Amdry788、MM509B、Amdry775、高融点/低融点のろう付け合金の混合物、50%Ni/50%D15、60%IN625/40%Amdry788、50%MarM247/50%DF−4B
のうちの少なくとも1つを含む、実施態様1記載の方法。
[実施態様8]
前記熱処理ステップ(140)が、
熱間等方加圧熱処理
をさらに含む、実施態様1記載の方法。
[実施態様9]
前記熱間等方加圧熱処理が、前記ろう付け作業で使用されたろう付け温度より低い温度で実施される、実施態様8記載の方法。
[実施態様10]
前記熱処理ステップ(140)が、
前記熱間等方加圧熱処理ステップの後に実施される溶体化熱処理ステップ
をさらに含む、実施態様8記載の方法。
[実施態様11]
超合金構成部品(10)を溶接する方法(100)であって、
(a)不活性雰囲気中で溶加材金属(14)を使用して前記構成部品にある凹部(12)を溶接するステップ(110)と、
(b)前記不活性雰囲気中で前記溶加材金属と前記構成部品の一部分とを溶接溶加材層(18)で被覆するステップ(120)であって、前記溶接溶加材層が、前記構成部品を構成する材料および前記溶加材金属を構成する材料よりも延性が大きい、ステップ(120)と、
(c)前記溶接溶加材層をろう付け材(20)で被覆するステップ(130)、およびろう付け作業を実施するステップと、
(d)熱間等方加圧熱処理で前記構成部品を熱処理するステップ(140)と
を順番に含む方法(100)。
[実施態様12]
前記熱処理ステップ(140)が、
前記熱間等方加圧熱処理ステップの後に実施される溶体化熱処理ステップ
をさらに含む、実施態様11記載の方法。
[実施態様13]
前記超合金構成部品(10)が高ガンマプライム超合金よりなる、実施態様11記載の方法。
[実施態様14]
前記高ガンマプライム超合金が、
B−1900、GTD−111、Inconel100、Inconel713、Inconel738、Inconel792、Inconel939、Mar−M−246、Mar−M−509、Rene77、Rene108、Rene125、またはU−500、CM247、MarM247
のうちの少なくとも1つを含む、実施態様13記載の方法。
[実施態様15]
前記溶加材金属(14)が、
GTD−262、GTD−111、R−108LC、R−108、MarM247、IN738、GTD−222
のうちの少なくとも1つを含む、実施態様11記載の方法。
[実施態様16]
前記不活性雰囲気が、
アルゴンガス、窒素ガス、ヘリウムガス、または二酸化炭素ガス
を含む、実施態様11記載の方法。
[実施態様17]
前記溶接溶加材層(18)が、
ニッケル、H−230、Inconel600、Inconel617、Inconel625、またはYanalloy
のうちの少なくとも1つを含む、実施態様11記載の方法。
[実施態様18]
前記ろう付け材(20)が、
D15、DF−4B、Amdry788、MM509B、Amdry775、高融点/低融点のろう付け合金の混合物、50%Ni/50%D15、60%IN625/40%Amdry788、50%MarM247/50%DF−4B
のうちの少なくとも1つを含む、実施態様11記載の方法。
[実施態様19]
高ガンマプライム超合金構成部品(10)を溶接する方法(100)であって、
(a)アルゴンガス、窒素ガス、ヘリウムガス、または二酸化炭素ガスのうちの少なくとも1つを含む不活性雰囲気中で溶加材金属(14)を使用して前記構成部品にある凹部(12)を溶接するステップ(110)と、
(b)前記不活性雰囲気中で前記溶加材金属と前記構成部品の一部分とを溶接溶加材層(18)で被覆するステップ(120)であって、前記溶接溶加材層が、前記構成部品を構成する材料および前記溶加材金属を構成する材料よりも延性が大きい、ステップ(120)と、
(c)前記溶接溶加材層をろう付け材(20)で被覆するステップ(130)、およびろう付け作業を実施するステップと、
(d)熱間等方加圧熱処理で前記構成部品を熱処理するステップ(140)と、次いで、これに続いて、溶体化熱処理を実施するステップと
を順番に含む方法(100)。
[実施態様20]
前記高ガンマプライム超合金が、B−1900、GTD−111、Inconel100、Inconel713、Inconel738、Inconel792、Inconel939、Mar−M−246、Mar−M−509、Rene77、Rene108、Rene125、またはU−500、CM247、MarM247のうちの少なくとも1つを含むことと、
前記溶加材金属(14)が、GTD−262、GTD−111、R−108LC、R−108、MarM247、IN738、GTD−222のうちの1つを含むことと、
前記溶接溶加材層(18)が、ニッケル、H−230、Inconel600、Inconel617、Inconel625、またはYanalloyのうちの少なくとも1つを含むことと、
前記ろう付け材(20)が、D15、DF−4B、Amdry788、MM509B、Amdry775、高融点/低融点のろう付け合金の混合物、50%Ni/50%D15、60%IN625/40%Amdry788、50%MarM247/50%DF−4Bのうちの少なくとも1つを含むことと
をさらに含む実施態様19記載の方法。
12 ノッチ
14 溶加材
16 亀裂
18 溶接溶加材
20 ろう付け材
100 方法
110 溶接ステップ
120 被覆ステップ
130 被覆ステップ
140 熱処理ステップ
Claims (12)
- 超合金構成部品(10)を溶接する方法(100)であって、
(a)不活性雰囲気中で溶加材金属(14)を使用して前記構成部品にある凹部(12)を溶接するステップ(110)と、
(b)前記不活性雰囲気中で前記溶加材金属と前記構成部品の一部分とを溶接溶加材層(18)で被覆するステップ(120)であって、前記溶接溶加材層が、前記構成部品を構成する材料および前記溶加材金属を構成する材料よりも延性が大きい、ステップ(120)と、
(c)前記溶接溶加材層をろう付け材(20)で被覆するステップ(130)、およびろう付け作業を実施するステップと、
(d)前記構成部品を熱処理するステップ(140)と
を順番に含む方法(100)。 - 前記超合金構成部品(10)が高ガンマプライム超合金よりなる、請求項1記載の方法。
- 前記高ガンマプライム超合金が、
B−1900、GTD−111、Inconel100、Inconel713、Inconel738、Inconel792、Inconel939、Mar−M−246、Mar−M−509、Rene77、Rene108、Rene125、またはU−500、CM247、MarM247
のうちの少なくとも1つを含む、請求項2記載の方法。 - 前記溶加材金属(14)が、
GTD−262、GTD−111、R−108LC、R−108、MarM247、IN738、GTD−222
のうちの少なくとも1つを含む、請求項1記載の方法。 - 前記不活性雰囲気が、
アルゴンガス、窒素ガス、ヘリウムガス、または二酸化炭素ガス
を含む、請求項1記載の方法。 - 前記溶接溶加材層(18)が、
ニッケル、H−230、Inconel600、Inconel617、Inconel625、またはYanalloy
のうちの少なくとも1つを含む、請求項1記載の方法。 - 前記ろう付け材(20)が、
D15、DF−4B、Amdry788、MM509B、Amdry775、高融点/低融点のろう付け合金の混合物、50%Ni/50%D15、60%IN625/40%Amdry788、50%MarM247/50%DF−4B
のうちの少なくとも1つを含む、請求項1記載の方法。 - 前記熱処理ステップ(140)が、
熱間等方加圧熱処理
をさらに含む、請求項1記載の方法。 - 前記熱間等方加圧熱処理が、前記ろう付け作業で使用されたろう付け温度より低い温度で実施される、請求項8記載の方法。
- 前記熱処理ステップ(140)が、
前記熱間等方加圧熱処理ステップの後に実施される溶体化熱処理ステップ
をさらに含む、請求項8記載の方法。 - 高ガンマプライム超合金構成部品(10)を溶接する方法(100)であって、
(a)アルゴンガス、窒素ガス、ヘリウムガス、または二酸化炭素ガスのうちの少なくとも1つを含む不活性雰囲気中で溶加材金属(14)を使用して前記構成部品にある凹部(12)を溶接するステップ(110)と、
(b)前記不活性雰囲気中で前記溶加材金属と前記構成部品の一部分とを溶接溶加材層(18)で被覆するステップ(120)であって、前記溶接溶加材層が、前記構成部品を構成する材料および前記溶加材金属を構成する材料よりも延性が大きい、ステップ(120)と、
(c)前記溶接溶加材層をろう付け材(20)で被覆するステップ(130)、およびろう付け作業を実施するステップと、
(d)熱間等方加圧熱処理で前記構成部品を熱処理するステップ(140)と、次いで、これに続いて、溶体化熱処理を実施するステップと
を順番に含む方法(100)。 - 前記高ガンマプライム超合金が、B−1900、GTD−111、Inconel100、Inconel713、Inconel738、Inconel792、Inconel939、Mar−M−246、Mar−M−509、Rene77、Rene108、Rene125、またはU−500、CM247、MarM247のうちの少なくとも1つを含むことと、
前記溶加材金属(14)が、GTD−262、GTD−111、R−108LC、R−108、MarM247、IN738、GTD−222のうちの1つを含むことと、
前記溶接溶加材層(18)が、ニッケル、H−230、Inconel600、Inconel617、Inconel625、またはYanalloyのうちの少なくとも1つを含むことと、
前記ろう付け材(20)が、D15、DF−4B、Amdry788、MM509B、Amdry775、高融点/低融点のろう付け合金の混合物、50%Ni/50%D15、60%IN625/40%Amdry788、50%MarM247/50%DF−4Bのうちの少なくとも1つを含むことと
をさらに含む請求項11記載の方法。
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