KR20070047760A - 티타늄 합금으로부터 마모-저항성 및 피로-저항성의엣지층을 생성하기 위한 방법, 및 그 생성된 구성요소 - Google Patents
티타늄 합금으로부터 마모-저항성 및 피로-저항성의엣지층을 생성하기 위한 방법, 및 그 생성된 구성요소 Download PDFInfo
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- 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
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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
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- 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
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Abstract
Description
Claims (26)
- 레이져 가스 합금화에 의하여 티타늄합금에서 마모-저항성 및 피로-저항성의 엣지층을 생성하기 위한 방법으로서,상기 레이져 가스 합금화는 이용되는 티타늄합금에 용해될 수 있는 성분을 개재성으로 포함하거나 배출하는 반응 가스를 이용하여 실행되고,상기 반응 가스의 부분 압력은 그 부분압력이 질화, 탄화, 또는 붕화 티타늄 상이 생성되는 문턱값 이하로 되도록 선택되는 것을 특징으로 하는 방법.
- 청구항 1에 있어서,상기 티타늄합금에 개재성으로 용해될 수 있는 상기 반응 가스로서 질소가 이용되고, 상기 질소가 비활성 기체와 함께 레이져 처리 구역에 공급되는 것을 특징으로 하는 방법.
- 청구항 1 내지 청구항 5 중 어느 하나의 항에 있어서,가스-합금화된 엣지층이 가속냉각 받는 것을 특징으로 하는, 방법.
- 청구항 6에 있어서,상기 가속냉각은 상기 가스 합금화하는 동안에 상기 구성요소의 미처리 부분의 외부냉각의 결과로서 셀프-켄칭에 의하여 달성되는 것을 특징으로 하는 방법.
- 청구항 6에 있어서,상기 가속냉각은 레이져 처리구역 다음의 국부적 가스 냉각에 의하여 달성되는 것을 특징으로 하는 방법.
- 청구항 1 내지 청구항 8 중 어느 한 항에 있어서,상기 구성요소는 상기 레이져 가스 합금화하기 전에 기계적으로 고정되며, 레이져 가스 합금화하는 동안에 고정된 상태로 유지되는 것을 특징으로 하는 방법.
- 청구항 1 내지 청구항 9 중 어느 한 항에 있어서,상기 고정 및 냉각 기능이 동일한 장치에 의하여 구현되는 것을 특징으로 하는 방법.
- 청구항 1 내지 청구항 10 중 어느 한 항에 있어서,상기 가스-합금화된 엣지층이 실내온도로 냉각된 후에 진동 마무리, 연삭, 및/또는 연마에 의하여 기계적으로 평탄해지는 것을 특징으로 하는 방법.
- 청구항 1 내지 청구항 13 중 어느 한 항에 있어서,상기 가스-합금화된 층은 마지막 열처리로부터 냉각된 후에 샷-분사되는 것을 특징으로 하는 방법.
- 청구항 1 내지 청구항 14 중 어느 한 항에 있어서,레이져 대신에 고-강도 에너지 소스로서 전자빔 유닛이 사용되는 것을 특징으로 하는 방법.
- 청구항 1 내지 청구항 14 중 어느 한 항에 있어서,레이져 대신에 플라스마 토치(plasma torch)가 사용되는 것을 특징으로 하는 방법.
- 청구항 1 및 청구항 2 내지 청구항 16 중의 어느 한 항에 의한 가스-합금화된 엣지층을 갖지는, 티타늄합금으로 만들어진 마모-저항성 및 피로-저항성의 구성요소에 있어서,
- 청구항 17에 있어서,상기 엣지층은 공급방향을 가로지르는 고-강도 에너지소스의 빔을 진동시켜 생성되는, 폭넓은 개별적인 트랙으로 구성되는 것을 특징으로 하는 티타늄합금으로 만들어진 마모-저항성 및 피로-저항성의 구성요소.
- 청구항 17 내지 청구항 19 중의 어느 한 항에 있어서,상기 구성요소가 침식 또는 액적충돌 스트레스를 받는 터빈 블레이드를 대표 하는 것을 특징으로 하는, 티타늄합금으로 만들어진 마모-저항성 및 피로-저항성의 구성요소.
- 청구항 20에 있어서,마모-저항성 엣지층은 블레이드의 후면방향으로 뿐만 아니라 블레이드의 요면방향으로 블레이드의 리딩 엣지를 포함하는 것을 특징으로 하는, 티타늄합금으로 만들어진 마모-저항성 및 피로-저항성의 구성요소.
- 청구항 20에 있어서,마모-저항성 엣지층은 상기 리딩 엣지와 평행한 오버래핑 트랙으로 구성된 것을 특징으로 하는, 티타늄합금으로 만들어진 마모-저항성 및 피로-저항성의 구성요소.
- 청구항 17 내지 청구항 22 중의 어느 한 항에 있어서,트랙 생성의 순서는 연성방향(pliable direction)으로의 터빈 블레이드의 휘어짐(bending)에 관하여 상기 트랙이 중성섬유(neutral fiber)와 함께 교대로 각각 놓여지는 방식으로 선택되는 것을 특징으로 하는, 티타늄합금으로 만들어진 마모-저항성 및 피로-저항성의 구성요소.
- 청구항 17 및 청구항 19 내지 청구항 21에 있어서,상기 마모-저항성 엣지층은 터빈 블레이드의 세로축 또는 터빈 블레이드의 리딩 엣지를 가로질러 위치된 트랙으로 구성되며, 상기 트랙은 상기 리딩 엣지 주변으로 연장되며, 그리고 상기 고-강도 에너지 소스에서의 상기 빔의 진동은 상기 터빈 블레이드의 왕복 진동 운동의 결과로서 상기 블레이드의 세로축 주변에서 생성되는 것을 특징으로 하는, 티타늄합금으로 만들어진 마모-저항성 및 피로-저항성의 구성요소.
- 청구항 17 내지 청구항 23 중의 어느 한 항에 있어서,블레이드 풋 사이드(blade foot side) 위의 트랙 필드 경계가 상기 리딩 엣지에 대하여 20-65°각도에서 형성되는 것을 특징으로 하는, 티타늄합금으로 만들어진 마모-저항성 및 피로-저항성의 구성요소.
- 청구항 17 내지 청구항 25 중의 어느 한 항에 있어서,엣지층 경도가 국부적 부하 조건 및 주기부하에 대한 마모비에 따라 부합하도록 적응되는 것을 특징으로 하는, 티타늄합금으로 만들어진 마모-저항성 및 피로-저항성의 구성요소
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DE102004033342.4 | 2004-07-09 | ||
DE102004033342A DE102004033342A1 (de) | 2004-07-09 | 2004-07-09 | Verfahren zur Herstellung von verschleißbeständigen und ermüdungsresistenten Randschichten in Titan-Legierungen und damit hergestellte Bauteile |
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KR20070047760A true KR20070047760A (ko) | 2007-05-07 |
KR100939799B1 KR100939799B1 (ko) | 2010-02-02 |
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US (1) | US20080011391A1 (ko) |
EP (1) | EP1769099B1 (ko) |
JP (1) | JP2008506532A (ko) |
KR (1) | KR100939799B1 (ko) |
CN (1) | CN1985019B (ko) |
BR (1) | BRPI0513183A (ko) |
CA (1) | CA2572732A1 (ko) |
DE (1) | DE102004033342A1 (ko) |
MX (1) | MX2007000196A (ko) |
PL (1) | PL1769099T3 (ko) |
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DE102004033342A1 (de) * | 2004-07-09 | 2006-02-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung von verschleißbeständigen und ermüdungsresistenten Randschichten in Titan-Legierungen und damit hergestellte Bauteile |
US8079120B2 (en) * | 2006-12-30 | 2011-12-20 | General Electric Company | Method for determining initial burnishing parameters |
US20090202955A1 (en) * | 2008-02-07 | 2009-08-13 | General Electric Company | Gasification feed injectors and methods of modifying the cast surfaces thereof |
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- 2005-07-08 RU RU2007104837/02A patent/RU2407822C2/ru not_active IP Right Cessation
- 2005-07-08 CA CA002572732A patent/CA2572732A1/en not_active Abandoned
- 2005-07-08 CN CN2005800232277A patent/CN1985019B/zh not_active Expired - Fee Related
- 2005-07-08 EP EP05759892.2A patent/EP1769099B1/de active Active
- 2005-07-08 MX MX2007000196A patent/MX2007000196A/es active IP Right Grant
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- 2005-07-08 WO PCT/EP2005/007393 patent/WO2006005527A1/de active Application Filing
- 2005-07-08 US US11/571,818 patent/US20080011391A1/en not_active Abandoned
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RU2407822C2 (ru) | 2010-12-27 |
RU2007104837A (ru) | 2009-02-27 |
KR100939799B1 (ko) | 2010-02-02 |
CN1985019A (zh) | 2007-06-20 |
DE102004033342A1 (de) | 2006-02-02 |
WO2006005527A1 (de) | 2006-01-19 |
EP1769099B1 (de) | 2015-02-18 |
MX2007000196A (es) | 2007-07-09 |
US20080011391A1 (en) | 2008-01-17 |
JP2008506532A (ja) | 2008-03-06 |
EP1769099A1 (de) | 2007-04-04 |
CA2572732A1 (en) | 2006-01-19 |
PL1769099T3 (pl) | 2015-08-31 |
BRPI0513183A (pt) | 2008-04-29 |
CN1985019B (zh) | 2010-04-21 |
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