CREEP CRACK-GROWTH IN A 1-PERCENT-CRMOV STEEL AND A 32-PERCENT-NI-20-PERCENT-CR ALLOY

被引：1

作者：

HOLLSTEIN, T ^{[1
]}

WEBSTER, GA ^{[1
]}

DJAVANROODI, F ^{[1
]}

机构：

[1] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,DEPT MECH ENGN,LONDON SW7 2BX,ENGLAND

来源：

MATERIALS AT HIGH TEMPERATURES | 1992年 / 10卷 / 02期

关键词：

CREEP; CRACK GROWTH; NICR ALLOY;

D O I：

10.1080/09603409.1992.11689406

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The creep crack growth behaviour of two high-temperature materials has been determined in 25 laboratories within the European Group on Fracture (EGF). This paper presents a summary of these round-robin tests on the 'measurement of crack growth under high temperature conditions'. It is shown that the most satisfactory correlations of creep crack growth rates are achieved with the creep fracture mechanics parameter C*. Little influence of specimen shape and size is observed and it is demonstrated that the specimen deformation and cracking behaviour occurs under plane stress conditions.

引用

页码：92 / 96

页数：5

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