JP2020182976A - 相凝集を使用して超合金構成要素を修復する方法 - Google Patents
相凝集を使用して超合金構成要素を修復する方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 229910000601 superalloy Inorganic materials 0.000 title claims abstract description 56
- 230000002776 aggregation Effects 0.000 title claims abstract description 18
- 238000005054 agglomeration Methods 0.000 title abstract description 3
- 238000005219 brazing Methods 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 230000008439 repair process Effects 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 24
- 238000004220 aggregation Methods 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910001026 inconel Inorganic materials 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 230000002706 hydrostatic effect Effects 0.000 claims description 2
- 229910000819 inconels 713 Inorganic materials 0.000 claims description 2
- 229910000880 inconels 792 Inorganic materials 0.000 claims description 2
- 229910001284 inconels 939 Inorganic materials 0.000 claims 1
- 239000012071 phase Substances 0.000 description 16
- 239000000203 mixture Substances 0.000 description 15
- 150000003839 salts Chemical class 0.000 description 15
- 230000008569 process Effects 0.000 description 13
- 239000007789 gas Substances 0.000 description 11
- 238000007689 inspection Methods 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000003628 erosive effect Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000010953 base metal Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000012720 thermal barrier coating Substances 0.000 description 3
- 238000005050 thermomechanical fatigue Methods 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000013461 design Methods 0.000 description 2
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- 230000005611 electricity Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 229910001512 metal fluoride Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 229910003310 Ni-Al Inorganic materials 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- -1 degree of damage Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
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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
- 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
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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
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- 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
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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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0018—Brazing of turbine parts
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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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
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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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- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
- B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
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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
- B23K26/1224—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in vacuum
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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
- B23K26/34—Laser welding for purposes other than joining
- B23K26/342—Build-up 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
-
- 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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- 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
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
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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
- 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
- B23K2103/08—Non-ferrous metals or alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
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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
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
- F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
- F05D2230/237—Brazing
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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
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/40—Heat treatment
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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
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/40—Heat treatment
- F05D2230/42—Heat treatment by 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
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
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- F05D2300/10—Metals, alloys or intermetallic compounds
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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
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/606—Directionally-solidified crystalline structures
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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
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/607—Monocrystallinity
Abstract
Description
10−1 超合金構成要素
10−2 超合金構成要素
10−3 超合金構成要素
10−4 超合金構成要素
10−5 超合金構成要素
10−6 超合金構成要素
10−7 超合金構成要素
10−8 超合金構成要素
10−9 超合金構成要素
12 溶接表面
15 亀裂/欠陥
16 接着表面
18 ベース層
20 溶接材料/溶接領域/修復領域
25 ろう付け材料/溶接材料
26 ブレンド表面/溶接表面
30 亀裂
32 遮熱コーティング
40 真空炉/高真空炉
50 加圧容器
60 ブレンドツール
70 塩浴
80 反応器
90 検査ツール
100 方法/フローチャート
110 ステップ
120 ステップ
130 ステップ/相凝集サイクル/相凝集サイクル曲線
140 ステップ/溶接ステップ
150 ステップ
160 ステップ
170 ステップ
180 ステップ
190 ステップ
200 ステップ/洗浄ステップ
210 ステップ
220 ステップ/ろう付けサイクル
230 ステップ/ブレンドステップ
240 ステップ/検査ステップ
250 ステップ
260 ステップ
270 ステップ/回復熱処理サイクル
310 傾斜速度
320 プラトー
330 傾斜速度/第2の加熱上昇
340 プラトー
350 傾斜速度/第3の加熱上昇
360 プラトー
370 クールダウン速度
380 曲線
390 曲線
T1 温度
T2 温度
T3 温度
T4 温度
T5 温度
t1 時間
t2 時間
t3 時間
t4 時間
t5 時間
t6 時間
t7 時間
t8 時間
Claims (15)
- 超合金構成要素(10)を修復する方法(100)であって、以下の一連のステップ:
(a)前記超合金構成要素(10)を相凝集サイクル(130)に供するステップであって、前記超合金構成要素(10)は、少なくとも1つの修復領域(20)を含むステップと、
(b)溶接材料(25)を前記少なくとも1つの修復領域(20)に適用して溶接表面(12、26)を作製するステップと、
(c)前記溶接表面(12、26)をろう付け材料(25)で覆うステップと、
(d)前記構成要素(10)をろう付けサイクル(220)に供してろう付けされた構成要素(10−3)を製造するステップと、
(e)前記ろう付けされた構成要素(10−3)を洗浄するステップと、
(f)前記洗浄された構成要素(10−6)を回復熱処理に供するステップと
を含む、方法(100)。 - 前記超合金構成要素(10)は、高ガンマプライム超合金からなる、請求項1に記載の方法(100)。
- 前記高ガンマプライム超合金は、B−1900、GTD−111、Inconel 100、Inconel 713、Inconel 738、Inconel 792、Inconel 939、MAR−M−246、MAR−M−509、Rene 77、Rene 108、Rene 125、U−500、CM 247(247)、またはMAR M 247の少なくとも1つを含む、請求項2に記載の方法(100)。
- ステップ(a)は、均一な傾斜速度(310)および前記構成要素(10)をプラトー(320、340、360)温度に保持する1つまたは複数の期間を使用して、前記構成要素(10)を第1の規定の温度に加熱するステップと、前記構成要素(10)を規定のクールダウン速度(370)で第2の規定の温度までクールダウンすることを可能にするステップと、第3の規定の温度への前記構成要素(10)の強制冷却を実行するステップとを含む、請求項1に記載の方法(100)。
- 前記構成要素(10、10−1、10−2、10−3、10−4、10−5、10−6、10−7、10−8、10−9)を加熱するステップは、第1の規定の期間、前記第1の規定の温度で前記構成要素(10、10−1、10−2、10−3、10−4、10−5、10−6、10−7、10−8、10−9)を保持するステップを含む、請求項4に記載の方法(100)。
- 前記構成要素(10、10−1、10−2、10−3、10−4、10−5、10−7、10−8、10−9)を第1の規定の温度に加熱するステップは、第1のプラトー(320、340、360)温度に加熱するステップと、第2の規定の期間保持するステップと、前記第1のプラトー(320、340、360)温度よりも高い第2のプラトー(320、340、360)温度に加熱するステップと、前記第2の規定の期間よりも長い、かつ前記第1の規定の期間よりも短い第3の規定の期間保持するステップとを含み、前記第2のプラトー(320、340、360)温度は、前記第1の規定の温度の約85%である、請求項5に記載の方法(100)。
- 前記規定のクールダウン速度は、毎分約0.5°F〜毎分約5°Fである、請求項4に記載の方法(100)。
- 前記第2の規定の温度は、前記第1の規定の温度の65%〜70%であり、前記第3の規定の温度は、前記第1の規定の温度の10%未満である、請求項4に記載の方法(100)。
- ステップ(a)は、前記強制冷却ステップの後、前記構成要素(10、10−1、10−2、10−3、10−4、10−5、10−7、10−8、10−9)を周囲温度まで冷却することを可能にするステップをさらに含む、請求項4に記載の方法(100)。
- ステップ(a)の前、前記少なくとも1つの修復領域(20)を機械加工して前記溶接材料(25)が適用される少なくとも1つの表面(12、26)を製造するステップをさらに含む、請求項1に記載の方法(100)。
- ステップ(b)の前、溶接材料(25)のベース層(18)を機械加工された前記少なくとも1つの表面(12、26)に適用するステップをさらに含む、請求項10に記載の方法(100)。
- ステップ(b)は、不活性環境で行われる、請求項1に記載の方法(100)。
- ステップ(b)は、材料(25)のクーポンを前記少なくとも1つの修復領域(20)に溶接するステップを含む、請求項1に記載の方法(100)。
- ステップ(d)の後、前記ろう付けされた構成要素(10−3)を真空炉(40)内で熱間静水圧サイクルに供するステップをさらに含む、請求項1に記載の方法(100)。
- ステップ(d)の後、前記ろう付け領域(20)をブレンドして前記構成要素(10、10−1、10−2、10−5、10−7、10−8、10−9)の滑らかな表面(12、26)を製造するステップをさらに含む、請求項1に記載の方法(100)。
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US6120624A (en) | 1998-06-30 | 2000-09-19 | Howmet Research Corporation | Nickel base superalloy preweld heat treatment |
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