Estimation of the Growth of Nonthrough Cracks in the High-Pressure Cylinder of a Long-Stroke Compressor

被引：1

作者：

Aistov I.P. ^{[1
]}

Vansovich K.A. ^{[1
]}

机构：

[1] Omsk State Technical University, Omsk

来源：

Chemical and Petroleum Engineering | 2017年 / 52卷 / 9-10期

关键词：

compressor; nonthrough fatigue crack; rate of growth of crack; stress state of crack;

D O I：

10.1007/s10556-017-0241-x

中图分类号：

学科分类号：

摘要：

An improved criterion for use in predicting the growth of nonthrough fatigue cracks as a function of the degree of the stress state of structural elements is proposed. The stress state of samples made of steel 20 and of the aluminum alloy AK6 is investigated. It is established that biaxial loading influences the rate of growth of a fatigue crack and its relationship to the coefficient of triaxiality of the stress state, which may be calculated in a neighborhood of the apex of the crack. © 2017, Springer Science+Business Media New York.

引用

页码：614 / 619

页数：5

共 5 条

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