JP2008179882A - ニッケル基超合金を安定化させるための浸炭プロセス - Google Patents
ニッケル基超合金を安定化させるための浸炭プロセス Download PDFInfo
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- C23C8/02—Pretreatment of the material to be coated
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- C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
- C23C10/34—Embedding in a powder mixture, i.e. pack cementation
- C23C10/36—Embedding in a powder mixture, i.e. pack cementation only one element being diffused
- C23C10/48—Aluminising
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
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- C23C28/321—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with at least one metal alloy layer
- C23C28/3215—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with at least one metal alloy layer at least one MCrAlX layer
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
- C23C28/341—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one carbide layer
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
- C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
- C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer
- C23C28/3455—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer with a refractory ceramic layer, e.g. refractory metal oxide, ZrO2, rare earth oxides or a thermal barrier system comprising at least one refractory oxide layer
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/20—Carburising
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- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
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Abstract
【解決手段】このプロセスでは、一般に、基材20の表面を加工処理して酸化物を実質的に含まないようにし、基材20を非酸化性雰囲気中で浸炭温度に加熱し、次いで基材20を浸炭温度に維持しつつ基材20の表面を希釈された低活性炭化水素ガスを含む浸炭ガス混合物と接触させる。浸炭温度で浸炭ガスと接触する間に、浸炭ガス中の炭素原子がそれから解離され、基材20の表面上に移動し、基材20中に拡散し、基材20内で高融点金属と反応して、基材20の表面の下の浸炭領域38内で高融点金属炭化物36を形成する。次いで、この基材20を非酸化性雰囲気中で冷却して炭化物の形成を終了させる。
【選択図】図3
Description
ガスタービンエンジンのある種の部品、特にタービン動翼、タービン静翼、並びに燃焼器及びオーグメンターの部品は、酸化及び高温腐食作用による損傷を受け易く、従って環境皮膜によって保護される。遮熱コーティング(TBC)と組み合わせて使用される場合、環境皮膜はボンドコートといわれ、TBCと環境皮膜の組合せはTBC系と呼ばれるものを形成する。広く用いられている環境皮膜には、保護しようとする基材中にアルミニウムを拡散させることにより形成される拡散アルミナイド皮膜があり、この場合基材表面上に皮膜が、基材表面の下に拡散帯が生成する。例は、米国特許第3415672号、同第3540878号、同第3598638号、同第3617360号、同第3667985号、同第3677789号、同第3692554号、同第3819338号、同第3837901号及び同第6066405号に開示されている。使用されているその他の環境皮膜としては、MCrAlX(ここで、Mは鉄、コバルト及び/又はニッケルであり、Xはイットリウム、希土類金属及び/又は 反応性金属である)及びβ相(β)NiAlオーバーレイ皮膜のようなオーバーレイ皮膜がある。前者の例は本出願人に譲渡されている米国特許第5043138号及び同第5316866号に開示されており、後者の例は本出願人に譲渡されている米国特許第5975852号、同第6153313号、同第6255001号、同第6291084号及び同第6620524号に開示されている。Gleesonらの米国特許出願公開第2004/0229075号、Daroliaらの同第2006/0093801号及びDaroliaらの同第2006/0093850号に開示されているように、NiAlPtから形成されてγ′相(γN−Ni3Al)を含有する環境皮膜の適性も検討されている。
12 翼形部
20 領域
22 皮膜
24 一次拡散帯
30 二次反応帯(SRZ)
32 マトリックス
Claims (10)
- ニッケル基超合金基材(20)の表面上に含アルミニウム皮膜(22)を堆積する前にそのニッケル基超合金基材を浸炭処理して基材(20)を安定化させ、皮膜(22)の堆積中及びその後の二次反応帯(30)の形成を抑制する方法であって、
基材(20)の表面を加工処理して酸化物を実質的に含まないようにし、
基材(20)を非酸化性雰囲気中で浸炭温度に加熱し、
基材(20)の表面を、希釈された低活性炭化水素ガスを含む浸炭ガス混合物に接触させつつ、基材(20)を浸炭温度に維持して、浸炭ガス中の炭素原子をそれから解離させ、基材(20)の表面上に移動させ、基材(20)中に拡散させ、基材(20)内の1種以上の高融点金属と反応させて、基材(20)の表面の下の浸炭領域(38)内で1種以上の高融点金属の炭化物(36)を形成し、次いで、
基材(20)を非酸化性雰囲気中で冷却して基材(20)中の炭化物(36)の形成を終了させる
工程を含んでなる方法。 - 炭化水素ガスが、アセチレン、エチレン、メタン及びプロパンからなる群から選択される1種以上であることを特徴とする、請求項1記載の方法。
- ガス混合物が約0.1〜25体積%未満の炭化水素ガスを含んでおり、炭化水素ガスが、本質的にガス混合物の残部を構成する不活性ガス及び/又は水素との混合によって希釈されていることを特徴とする、請求項1又は請求項2記載の方法。
- 浸炭温度が約1010℃〜約1150℃であり、炭化物(36)が約1〜約120分間で基材(20)内で形成されることを特徴とする、請求項1乃至請求項3のいずれか1項記載の方法。
- ガス混合物が12.5体積%未満の炭化水素ガスを含んでおり、炭化水素ガスが本質的にガス混合物の残部を構成する不活性ガス及び/又は水素との混合によって希釈されており、炭化物(36)が30分未満の間基材(20)内で形成されることを特徴とする、請求項1乃至請求項4のいずれか1項記載の方法。
- ガス混合物が3体積%未満の炭化水素ガスを含んでおり、炭化水素ガスが本質的にガス混合物の残部を構成する不活性ガス及び/又は水素との混合によって希釈されており、炭化物(36)が60分未満で基材(20)内で形成されることを特徴とする、請求項1乃至請求項4のいずれか1項記載の方法。
- ガス混合物を約25〜約1000リットル/時の流速で基材(20)上に流すことを特徴とする、請求項1乃至請求項6のいずれか1項記載の方法。
- 浸炭領域(38)が基材(20)の表面の下に150μm以下延びていることを特徴とする、請求項1乃至請求項7のいずれか1項記載の方法。
- 炭化物(36)が浸炭領域(38)の約40体積%以下を構成することを特徴とする、請求項1乃至請求項8のいずれか1項記載の方法。
- さらに、基材(20)の表面上に含アルミニウム皮膜(22)を堆積する工程を含んでおり、含アルミニウム皮膜(22)がオーバーレイ皮膜(22)、拡散アルミナイド皮膜(22)又は白金族金属変性拡散アルミナイド皮膜(22)であることを特徴とする、請求項1乃至請求項9のいずれか1項記載の方法。
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Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/616,392 US8123872B2 (en) | 2006-02-22 | 2006-12-27 | Carburization process for stabilizing nickel-based superalloys |
US11/616,392 | 2006-12-27 |
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JP2008179882A true JP2008179882A (ja) | 2008-08-07 |
JP5426088B2 JP5426088B2 (ja) | 2014-02-26 |
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EP2462253B1 (en) * | 2009-08-07 | 2021-04-07 | Swagelok Company | Low temperature carburization under soft vacuum |
CA2861180A1 (en) | 2012-01-20 | 2013-07-25 | Swagelok Company | Concurrent flow of activating gas in low temperature carburization |
WO2014143244A1 (en) * | 2013-03-13 | 2014-09-18 | Cybulsky, Michael | Coating system for improved erosion protection of the leading edge of an airfoil |
EP3591677A1 (en) | 2014-03-13 | 2020-01-08 | Hitachi Metals, Ltd. | Powder magnetic core |
FR3072717B1 (fr) * | 2017-10-20 | 2019-10-11 | Safran | Piece de turbine en superalliage comprenant du rhenium et procede de fabrication associe |
GB2568063B (en) | 2017-11-02 | 2019-10-30 | Hardide Plc | Water droplet erosion resistant coatings for turbine blades and other components |
CN113373401A (zh) * | 2020-02-25 | 2021-09-10 | 中国科学院上海应用物理研究所 | Uns n10003合金表面渗碳方法 |
CN113106377A (zh) * | 2021-04-07 | 2021-07-13 | 潍坊丰东热处理有限公司 | 一种改善金属零部件渗碳内氧化的热处理方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11315362A (ja) * | 1998-04-04 | 1999-11-16 | Ald Vacuum Technol Gmbh | 真空浸炭法 |
WO2003050321A1 (fr) * | 2001-12-13 | 2003-06-19 | Koyo Thermo Systems Co., Ltd. | Procede de carbonitruration sous vide |
WO2006093759A1 (en) * | 2005-02-26 | 2006-09-08 | General Electric Company | Method for substrate stabilization of diffusion aluminide coated nickel-based superalloys |
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---|---|---|---|---|
US504313A (en) | 1893-09-05 | daugherty | ||
US3415672A (en) | 1964-11-12 | 1968-12-10 | Gen Electric | Method of co-depositing titanium and aluminum on surfaces of nickel, iron and cobalt |
US3667985A (en) | 1967-12-14 | 1972-06-06 | Gen Electric | Metallic surface treatment method |
US3540878A (en) | 1967-12-14 | 1970-11-17 | Gen Electric | Metallic surface treatment material |
DE1796175C2 (de) | 1968-09-14 | 1974-05-30 | Deutsche Edelstahlwerke Gmbh, 4150 Krefeld | Hochtemperaturkorrosions- und zunderbeständige Diffusionsschutzschicht auf Gegenständen aus hochwarmfesten Legierungen auf Nickel- und/oder Kobaltbasis |
US3819338A (en) | 1968-09-14 | 1974-06-25 | Deutsche Edelstahlwerke Ag | Protective diffusion layer on nickel and/or cobalt-based alloys |
US3617360A (en) | 1968-11-29 | 1971-11-02 | Gen Electric | High temperature metallic diffusion coating and method |
US3598638A (en) | 1968-11-29 | 1971-08-10 | Gen Electric | Diffusion metallic coating method |
BE759275A (fr) | 1969-12-05 | 1971-04-30 | Deutsche Edelstahlwerke Ag | Procede d'application de couches protectrices diffusees sur despieces en alliage a base de cobalt |
US3837901A (en) | 1970-08-21 | 1974-09-24 | Gen Electric | Diffusion-coating of nickel-base superalloy articles |
US4321311A (en) * | 1980-01-07 | 1982-03-23 | United Technologies Corporation | Columnar grain ceramic thermal barrier coatings |
US5127967A (en) * | 1987-09-04 | 1992-07-07 | Surface Combustion, Inc. | Ion carburizing |
US5316866A (en) | 1991-09-09 | 1994-05-31 | General Electric Company | Strengthened protective coatings for superalloys |
US5334263A (en) * | 1991-12-05 | 1994-08-02 | General Electric Company | Substrate stabilization of diffusion aluminide coated nickel-based superalloys |
US5270123A (en) * | 1992-03-05 | 1993-12-14 | General Electric Company | Nickel-base superalloy and article with high temperature strength and improved stability |
US5455120A (en) * | 1992-03-05 | 1995-10-03 | General Electric Company | Nickel-base superalloy and article with high temperature strength and improved stability |
US5482789A (en) * | 1994-01-03 | 1996-01-09 | General Electric Company | Nickel base superalloy and article |
US5427866A (en) * | 1994-03-28 | 1995-06-27 | General Electric Company | Platinum, rhodium, or palladium protective coatings in thermal barrier coating systems |
CN1145714C (zh) * | 1995-03-29 | 2004-04-14 | 株式会社日本H | 真空渗碳方法、设备及渗碳制品 |
US5695821A (en) * | 1995-09-14 | 1997-12-09 | General Electric Company | Method for making a coated Ni base superalloy article of improved microstructural stability |
US5598968A (en) * | 1995-11-21 | 1997-02-04 | General Electric Company | Method for preventing recrystallization after cold working a superalloy article |
US6066405A (en) | 1995-12-22 | 2000-05-23 | General Electric Company | Nickel-base superalloy having an optimized platinum-aluminide coating |
US6080246A (en) * | 1996-07-23 | 2000-06-27 | Rolls-Royce, Plc | Method of aluminising a superalloy |
US5891267A (en) * | 1997-01-16 | 1999-04-06 | General Electric Company | Thermal barrier coating system and method therefor |
US5975852A (en) | 1997-03-31 | 1999-11-02 | General Electric Company | Thermal barrier coating system and method therefor |
US5813118A (en) * | 1997-06-23 | 1998-09-29 | General Electric Company | Method for repairing an air cooled turbine engine airfoil |
SG71151A1 (en) | 1997-09-17 | 2000-03-21 | Gen Electric | Bond coat for a thermal barrier coating system and method therefor |
US6129988A (en) * | 1998-08-14 | 2000-10-10 | Siemens Westinghouse Power Corporation | Gaseous modification of MCrAlY coatings |
US6291084B1 (en) | 1998-10-06 | 2001-09-18 | General Electric Company | Nickel aluminide coating and coating systems formed therewith |
US6153313A (en) | 1998-10-06 | 2000-11-28 | General Electric Company | Nickel aluminide coating and coating systems formed therewith |
US6306524B1 (en) * | 1999-03-24 | 2001-10-23 | General Electric Company | Diffusion barrier layer |
US20020007877A1 (en) * | 1999-03-26 | 2002-01-24 | John R. Mihalisin | Casting of single crystal superalloy articles with reduced eutectic scale and grain recrystallization |
EP1078996B1 (en) * | 1999-08-09 | 2004-02-11 | ALSTOM (Switzerland) Ltd | Process to strengthen the grain boundaries of a component made from a Ni based superalloy |
US20030148144A1 (en) * | 2000-02-15 | 2003-08-07 | Gates Alfred S. | Coated tool having a lubricous coating and method of making the same |
US6444053B1 (en) * | 2000-02-28 | 2002-09-03 | General Electric Co. | Preparation of a nickle-based superalloy article containing a reactive element and having a decarburized surface and coating |
US6447932B1 (en) * | 2000-03-29 | 2002-09-10 | General Electric Company | Substrate stabilization of superalloys protected by an aluminum-rich coating |
US6299896B1 (en) * | 2000-04-13 | 2001-10-09 | Cooper Concepts, Inc. | Multi-vitamin and mineral supplement |
AU2001284823B2 (en) * | 2000-08-14 | 2006-11-30 | Ortho-Mcneil Pharmaceutical, Inc. | Substituted pyrazoles |
JP3840555B2 (ja) * | 2001-05-30 | 2006-11-01 | 独立行政法人物質・材料研究機構 | Ni基単結晶超合金 |
US6746782B2 (en) | 2001-06-11 | 2004-06-08 | General Electric Company | Diffusion barrier coatings, and related articles and processes |
US6641929B2 (en) * | 2001-08-31 | 2003-11-04 | General Electric Co. | Article having a superalloy protective coating, and its fabrication |
US6620524B2 (en) | 2002-01-11 | 2003-09-16 | General Electric Company | Nickel aluminide coating and coating systems formed therewith |
US6921586B2 (en) | 2002-02-05 | 2005-07-26 | General Electric Company | Ni-Base superalloy having a coating system containing a diffusion barrier layer |
US6720088B2 (en) | 2002-02-05 | 2004-04-13 | General Electric Company | Materials for protection of substrates at high temperature, articles made therefrom, and method for protecting substrates |
US6843861B2 (en) * | 2002-02-08 | 2005-01-18 | General Electric Company | Method for preventing the formation of secondary reaction zone in susceptible articles, and articles prepared by the method |
US6844086B2 (en) * | 2002-02-08 | 2005-01-18 | General Electric Company | Nickel-base superalloy article substrate having aluminide coating thereon, and its fabrication |
AU2003235955A1 (en) | 2002-06-11 | 2003-12-22 | Koyo Thermo Systems Co., Ltd. | Method of gas carburizing |
US6929868B2 (en) * | 2002-11-20 | 2005-08-16 | General Electric Company | SRZ-susceptible superalloy article having a protective layer thereon |
US7273662B2 (en) | 2003-05-16 | 2007-09-25 | Iowa State University Research Foundation, Inc. | High-temperature coatings with Pt metal modified γ-Ni+γ′-Ni3Al alloy compositions |
RU2005136134A (ru) | 2003-05-20 | 2006-06-27 | ЭкссонМобил Рисерч энд Энджиниринг Компани (US) | Керметы с градиентом состава и способ реакционной термообработки для их получения |
US7326441B2 (en) | 2004-10-29 | 2008-02-05 | General Electric Company | Coating systems containing beta phase and gamma-prime phase nickel aluminide |
US7264888B2 (en) | 2004-10-29 | 2007-09-04 | General Electric Company | Coating systems containing gamma-prime nickel aluminide coating |
-
2006
- 2006-12-27 US US11/616,392 patent/US8123872B2/en not_active Expired - Fee Related
-
2007
- 2007-12-06 EP EP07122489A patent/EP1939318A3/en not_active Withdrawn
- 2007-12-25 JP JP2007331278A patent/JP5426088B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11315362A (ja) * | 1998-04-04 | 1999-11-16 | Ald Vacuum Technol Gmbh | 真空浸炭法 |
WO2003050321A1 (fr) * | 2001-12-13 | 2003-06-19 | Koyo Thermo Systems Co., Ltd. | Procede de carbonitruration sous vide |
WO2006093759A1 (en) * | 2005-02-26 | 2006-09-08 | General Electric Company | Method for substrate stabilization of diffusion aluminide coated nickel-based superalloys |
Also Published As
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EP1939318A3 (en) | 2009-10-14 |
JP5426088B2 (ja) | 2014-02-26 |
US8123872B2 (en) | 2012-02-28 |
US20100276036A1 (en) | 2010-11-04 |
EP1939318A2 (en) | 2008-07-02 |
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