Curvilinear random fatigue crack growth: Effects of overloads

被引：0
|
作者：
Trebicki, J
Sobczyk, K
机构：
[1] Center of Mechanics, Inst. of Fundamental Technol. Res., Polish Academy of Science, 00-049 Warsaw
来源：
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES | 1996年 / 19卷 / 2-3期
关键词：
random fatigue; curvilinear crack growth; cumulative model; retardation; overloads; zigzag crack growth;
D O I：
10.1111/j.1460-2695.1996.tb00973.x
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In the paper a previously proposed stochastic description for curvilinear fatigue crack growth is extended and adopted to the characterization of crack retardation due to overloads. The model has the form of a cumulative process with random elementary crack increments and random angles of the crack deflection. The basic statistical characteristics of the model-process are related to fracture mechanics and to the parameters known from traditional experimental predictions.
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页码：361 / 371
页数：11
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