CREEP-BEHAVIOR OF SERVICE EXPOSED CR-MO STEELS

被引:0
|
作者
RADHAKRISHNAN, VM [1 ]
机构
[1] INDIAN INST TECHNOL,DEPT MET,MADRAS 600036,TAMIL NADU,INDIA
关键词
D O I
10.1016/0921-5093(91)90258-O
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Service exposed Cr-Mo steels exhibit different creep behaviour from fresh materials, mainly because of structural changes. This note is a discussion on the recent paper (P.K. Liaw, G.V. Rao and M.G. Burke, Mater. Sci. Eng., A131 (1991) 187) on creep fracture behaviour of 2 1/4Cr-1Mo welds from a fossil fuel power plant 31 years old. It points out the necessity of testing the exposed materials at low stress levels to obtain a meaningful assessment of their remaining life.
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收藏
页码:L27 / L29
页数:3
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