The fatigue and fracture of turbine blade alloys in high pressure hydrogen

被引：1
|
作者：
DeLuca, DP
Cowles, BA
机构：
[1] U. Technologies Pratt and Whitney, Govt. Engine and Space Propuls. Div., West Palm Beach
来源：
JOM-JOURNAL OF THE MINERALS METALS & MATERIALS SOCIETY | 1996年 / 48卷 / 11期
关键词：
D O I：
10.1007/BF03223247
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In June 1995, the NASA space shuttle Discovery lifted off for the first time with an improved high-pressure oxidizer turbopump fitted to one of its three main engines. In 1997, an advanced high-pressure fuel turbopump will enter service as well. Both systems will make extensive use of nickel-based superalloy microstructures specially tailored for improved resistance to hydrogen embrittlement. This article reviews a study on cast single-crystal and equiaxed nickel superalloys and the subsequent approach used to improve their hydrogen resistance.
引用
收藏
页码：61 / 64
页数：4
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