发明名称 |
Ni-based alloy, and turbine rotor and stator blade for gas turbine |
摘要 |
A Ni-based alloy including chromium, cobalt, aluminum, titanium, tantalum, tungsten, molybdenum, niobium, carbon, and boron, the balance being nickel and incidental impurities, is provided. The alloy has an alloy composition of, on the basis of mass percent, chromium: 13.10% to 16.00%, cobalt: 8.00% to 12.50%, aluminum: 2.30% to 3.50%, titanium: 4.80% to 5.50%, tantalum: 0.40% to less than 1.00%, tungsten: 4.50% to 6.00%, molybdenum: 0.10% to 1.50%, niobium: 0.60% to 1.70%, carbon: 0.01% to 0.20%, boron: 0.005% to 0.02%, and the balance: nickel and incidental impurities. |
申请公布号 |
US8916092(B2) |
申请公布日期 |
2014.12.23 |
申请号 |
US201213489481 |
申请日期 |
2012.06.06 |
申请人 |
Mitsubishi Hitachi Power Systems, Ltd. |
发明人 |
Wang Yuting;Yoshinari Akira |
分类号 |
C22C19/05;F01D5/14;F01D9/02;F01D9/04;F01D5/28;C22F1/10 |
主分类号 |
C22C19/05 |
代理机构 |
Antonelli, Terry, Stout & Kraus, LLP. |
代理人 |
Antonelli, Terry, Stout & Kraus, LLP. |
主权项 |
1. A Ni-based alloy comprising chromium, cobalt, aluminum, titanium, tantalum, tungsten, molybdenum, niobium, carbon, and boron, the balance being nickel and incidental impurities,
wherein the alloy has an alloy composition of, on the basis of mass percent, chromium: 13.10% to 16.00%, cobalt: 8.00% to 12.50%, aluminum: 2.30% to 3.50%, titanium: 4.80% to 5.50%, tantalum: 0.40% to less than 1.00%, tungsten: 4.50% to 6.00%, molybdenum: 0.10% to 1.50%, niobium: 0.60% to 1.70%, carbon: 0.01% to 0.20%, boron: 0.005% to 0.02%, and the balance: nickel and incidental impurities. |
地址 |
Kanagawa JP |