IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0738107
(1996-10-25)
|
| 우선권정보 |
DE-0024056 (1996-06-17) |
|
발명자
/ 주소 |
- Konter Maxim,CHX
- Newnham Michael,CHX
- Tonnes Christoph,CHX
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
Burns, Boane, Swecker & Mathis, L.L.P.
|
| 인용정보 |
피인용 횟수 :
19 인용 특허 :
3 |
초록
▼
A nickel-base superalloy, in particular for the fabrication of large monocrystalline components, essentially comprises (measured in wt %): 6.0-6.8% of Cr, 8.0-10.0% of Co, 0.5-0.7% of Mo, 6.2-6.6% of W, 2.7-3.2% of Re, 5.4-5.8% of Al, 0.6-1.2% of Ti, 6.3-7.0% of Ta, 0.15-0.3% of Hf, 0.02-0.04% of C,
A nickel-base superalloy, in particular for the fabrication of large monocrystalline components, essentially comprises (measured in wt %): 6.0-6.8% of Cr, 8.0-10.0% of Co, 0.5-0.7% of Mo, 6.2-6.6% of W, 2.7-3.2% of Re, 5.4-5.8% of Al, 0.6-1.2% of Ti, 6.3-7.0% of Ta, 0.15-0.3% of Hf, 0.02-0.04% of C, 40-100 ppm of B. 15-50 ppm of Mg, the remainder being nickel with impurities. Carbides of Ta, Ti, and Hf, and Mg, and/or Mg--O--S compounds are concentrated along small angle grain boundaries of the superalloy.
대표청구항
▼
[ What is claimed:] [1.] A monocrystalline nickel-base superalloy, consisting essentially, in weight %, of: 6.0-6.8% Cr, 8.0-10.0% Co, 0.5-0.7% Mo, 6.2-6.7% W, 2.7-3.2% Re, 5.4-5.8% Al, 0.6-1.2% Ti, 6.3-7.0% Ta, 0.15-0.3% Hf, 0.02-0.04% C, 40-100 ppm B, 15-50 ppm Mg, 0-400 ppm Y, the remainder being
[ What is claimed:] [1.] A monocrystalline nickel-base superalloy, consisting essentially, in weight %, of: 6.0-6.8% Cr, 8.0-10.0% Co, 0.5-0.7% Mo, 6.2-6.7% W, 2.7-3.2% Re, 5.4-5.8% Al, 0.6-1.2% Ti, 6.3-7.0% Ta, 0.15-0.3% Hf, 0.02-0.04% C, 40-100 ppm B, 15-50 ppm Mg, 0-400 ppm Y, the remainder being nickel with impurities, wherein thesuperalloy comprises a directionally solidified casting and carbides of Ta, Ti and Hf which are located along small-angle grain boundaries of the casting.
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