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Environmental effects on tensile and low cycle fatigue behavior of single crystal nickel base superalloys

被引：28
|
作者：
Nazmy, M [1 ]
Denk, J [1 ]
Baumann, R [1 ]
Künzler, A [1 ]
机构：
[1] ALSTOM Ltd, Dept Mat Technol, GTWMD, CH-5401 Baden, Switzerland
来源：
SCRIPTA MATERIALIA | 2003年 / 48卷 / 05期
关键词：
superalloys; environmental cracking; hydrogen embrittlement;
D O I：
10.1016/S1359-6462(02)00506-7
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of gamma' rafting on the tensile and cyclic behavior of the single crystal superalloys PWA1483 and N5 was investigated at room temperature. Both alloys with rafted microstructures exhibited susceptibility to environment i.e. moisture. This environmental effect was manifested by a reduction in ductility and fatigue life accompanied by {100} cleavage. (C) 2002 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.
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页码：519 / 524
页数：6
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