Invention Grant
- Patent Title: Nickel-base superalloy with improved degradation behavior
- Patent Title (中): 镍基超级合金具有改善的降解行为
-
Application No.: US13020093Application Date: 2011-02-03
-
Publication No.: US08696980B2Publication Date: 2014-04-15
- Inventor: Mohamed Nazmy , Claus Paul Gerdes , Andreas Kuenzler
- Applicant: Mohamed Nazmy , Claus Paul Gerdes , Andreas Kuenzler
- Applicant Address: CH Baden
- Assignee: Alstom Technology Ltd
- Current Assignee: Alstom Technology Ltd
- Current Assignee Address: CH Baden
- Agency: Buchanan Ingersoll & Rooney PC
- Priority: CH0142/10 20100205
- Main IPC: C22C19/05
- IPC: C22C19/05

Abstract:
A nickel-base superalloy with improved degradation behavior consists essentially of the following chemical composition (details in % by weight): 7.7-8.3 Cr, 5.0-5.25 Co, 2.0-2.1 Mo, 7.8-8.3 W, 5.8-6.1 Ta, 4.9-5.1 Al, 1.3-1.4 Ti, 0.1-0.6 Pt, 0.1-0.5 Nb, 0.11-0.15 Si, 0.11-0.15 Hf, 200-750 ppm C, 50-400 ppm B, and the remainder Ni and production-related impurities.
Public/Granted literature
- US20110194972A1 NICKEL-BASE SUPERALLOY WITH IMPROVED DEGRADATION BEHAVIOR Public/Granted day:2011-08-11
Information query