JP2014513207A - 損傷した熱機械的部品の局部補修のプロセスおよび該プロセスに従って補修された部品、特に、タービン部品 - Google Patents
損傷した熱機械的部品の局部補修のプロセスおよび該プロセスに従って補修された部品、特に、タービン部品 Download PDFInfo
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- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
- B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/009—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine components other than turbine blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/04—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
- B22F7/064—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts using an intermediate powder layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
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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
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Powder Metallurgy (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
一実施形態によれば、SPSフラッシュ焼結用エンクロージャダイ(11)内に、元の部品の圧痕の形状のモールド(1)が作製される。次に、モールド(1)内に連続層、つまり、超合金粉末層(31)、金属保護層(32)、および熱バリア層(33)が堆積される。焼結ステップでは、少なくとも1つのプラトー温度および少なくとも1つのプラトー圧力によって温度、圧力、継続時間が調節されたフラッシュ焼結サイクルに従って加圧しパルス電流を通過させて温度を急上昇させる。超合金層(31)は、焼結ステップ中に、拡散によって、材料と補修される部品(2)とを連続的に接着する。
Description
準備段階で、金属保護層および熱バリア層が超合金層の上に堆積され、
金属保護層は、Ni、Pt、Hf、Y、Zr、Al、Si、Cu、Ag、ならびに/もしくはAu、および/またはNi−Al組成物、Ni−Pt−Al組成物、ならびに/もしくはNi−Al−Zr組成物から成る少なくとも1つのシートダイで構成され、
熱バリア層は、6から8%重量のイットリア安定化ジルコニア(熱バリア組成物ZrO2−6‐8Y2O3)で構成される。
Claims (8)
- 超合金製の熱機械的部品(2)の局部補修のプロセスであって、準備ステップにおいて、SPSフラッシュ焼結用エンクロージャダイ(11)内に損傷部品(2)の少なくとも補修部分の圧痕の形状のモールド(1、7)を作製すること、多層構造(6)を構成するろう付け用粉末(60)の層と超合金粉末の少なくとも1つの層(31、61)をモールド(1、7)内に導入すること、その後、焼結ステップにおいて、材料と部品(2)との接着部が拡散によって連続的に形成されるように、少なくとも1つのプラトー温度および少なくとも1つのプラトー圧力によって温度、圧力、継続時間が調節されたフラッシュ焼結サイクルに従って加圧しパルス電流を通電させることによって温度を急上昇させることから成り、この焼結ステップにより、多層構造(6)内に組成勾配(G3、G4、G5)が形成されたプリフォーム(2a)であって、補修される部品(2)に接合されるろう付け面(6b)と超合金材料(6s)とがプリフォーム(2a)の表面に現れたプリフォーム(2a)が作製されることを特徴とする、補修のプロセス。
- フラッシュ焼結サイクルの温度、圧力、および継続時間が、少なくとも600℃/分の温度上昇、約1000℃から2000℃の範囲のプラトー温度、約10Mpaから100Mpaの範囲のプラトー圧力で調節される、請求項1に記載の補修のプロセス。
- モールド(1)が、元の部品全体の圧痕と一致する形状を有し、超合金層(31)は、拡散によって、材料と補修される部品(2)とを連続的に接着する、請求項1に記載の補修のプロセス。
- 次のろう付けステップにおいて、このように形成されたプリフォーム(2a)のろう付け面(6b)が補修される部品(2)の領域(20)と接触した状態で配置され、その後、適切な炉内で、プリフォーム(2a)とそれに沿って配置された部品(2)とを少なくともろう付け用合金(60)の溶融温度に等しい温度になるまで加熱することによって、補修される部品(2)内にろう付け用合金の溶融成分が拡散することで、ろう付け面(6b)が接着される、請求項3に記載の補修のプロセス。
- 準備段階で、金属保護層(32、62)と熱バリア層(33、63)とが、超合金層(31、61)の上に堆積される、請求項1に記載の補修のプロセス。
- 金属保護層(32、62)が、Ni、Pt、Hf、Y、Si、Cu、Ag、ならびに/もしくはAu、および/またはNi−Al組成物、Ni−Pt−Al組成物、ならびに/もしくはNi−Al−Zr組成物から成る少なくとも1つのシートダイで構成される、請求項1に記載の補修のプロセス。
- 熱バリア(33、63)が、イットリア安定化ジルコニアで構成される、請求項1に記載の補修のプロセス。
- フラッシュ焼結による上述のプロセスに従って補修された超合金製の熱機械的部品、特に、タービン部品であって、この部品と補修される部品(2)との接着部(31、6b)は、ろう付け用合金の溶融成分の材料の拡散によって形成されることを特徴とする、熱機械部品。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1151832A FR2972379B1 (fr) | 2011-03-07 | 2011-03-07 | Procede de rechargement local de piece thermomecanique endommagee et piece ainsi realisee, en particulier piece de turbine |
FR1151832 | 2011-03-07 | ||
PCT/FR2012/050459 WO2012120231A1 (fr) | 2011-03-07 | 2012-03-06 | Procédé de rechargement local de pièce thermomécanique endommagée et piece ainsi realisee, en particulier pièce de turbine |
Publications (3)
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JP2014513207A true JP2014513207A (ja) | 2014-05-29 |
JP2014513207A5 JP2014513207A5 (ja) | 2016-07-21 |
JP6085256B2 JP6085256B2 (ja) | 2017-02-22 |
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JP2013557155A Active JP6085256B2 (ja) | 2011-03-07 | 2012-03-06 | 損傷した熱機械的部品の局部補修のプロセスおよび該プロセスに従って補修された部品、特に、タービン部品 |
Country Status (9)
Country | Link |
---|---|
US (1) | US9221101B2 (ja) |
EP (1) | EP2683509B1 (ja) |
JP (1) | JP6085256B2 (ja) |
CN (1) | CN103415365B (ja) |
BR (1) | BR112013022876A2 (ja) |
CA (1) | CA2828711C (ja) |
FR (1) | FR2972379B1 (ja) |
RU (1) | RU2598018C2 (ja) |
WO (1) | WO2012120231A1 (ja) |
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US20160158840A1 (en) * | 2013-11-25 | 2016-06-09 | Marco Cologna | Use of spark plasma sintering for manufacturing superalloy compound components |
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FR3044945B1 (fr) * | 2015-12-14 | 2018-01-12 | Centre National De La Recherche Scientifique | Revetement abradable a densite variable |
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FR3048630B1 (fr) * | 2016-03-14 | 2020-02-21 | Centre National De La Recherche Scientifique | Procede de fabrication d'une plaque abradable et de reparation d'un anneau de turbine |
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Also Published As
Publication number | Publication date |
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CA2828711A1 (fr) | 2012-09-13 |
US9221101B2 (en) | 2015-12-29 |
RU2013140968A (ru) | 2015-04-20 |
EP2683509A1 (fr) | 2014-01-15 |
RU2598018C2 (ru) | 2016-09-20 |
EP2683509B1 (fr) | 2019-02-27 |
US20130344347A1 (en) | 2013-12-26 |
CN103415365A (zh) | 2013-11-27 |
JP6085256B2 (ja) | 2017-02-22 |
CA2828711C (fr) | 2019-04-02 |
FR2972379B1 (fr) | 2014-01-17 |
WO2012120231A1 (fr) | 2012-09-13 |
FR2972379A1 (fr) | 2012-09-14 |
CN103415365B (zh) | 2017-01-18 |
BR112013022876A2 (pt) | 2016-12-06 |
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