Dependence of the period of subcritical growth of a creep fatigue crack on the duration of loading cycles

被引：0
|
作者：
O. E. Andreikiv
R. M. Lesiv
I. Ya. Dolins’ka
机构：
[1] Franko Lviv National University,
来源：
Materials Science | 2009年 / 45卷
关键词：
creep fatigue crack; subcritical crack growth; residual service life; energy-balance equation; high-temperature creep; duration of loading cycle;
D O I：
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学科分类号：
摘要：
We construct the kinetic equation for the period of growth of a creep fatigue crack. By using the experimental data, it is shown that this equation correctly describes the behavior of the crack. It follows from the solution of Sack’s problem that the larger the duration of the loading cycle T, the more pronounced the effect of creep and, hence, the smaller the residual service life of the structure.
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页码：494 / 503
页数：9
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