The methods determining upper limit of fatigue crack growth rate in Paris-Erdogan law

被引：0
|
作者：
Jin, X [1 ]
Hong, YJ [1 ]
Zhong, QP [1 ]
Shen, HR [1 ]
机构：
[1] Inst Command & Technol Equipment, Beijing 101416, Peoples R China
来源：
PROCEEDINGS OF THE 5TH INTERNATIONAL CONFERENCE ON FRONTIERS OF DESIGN AND MANUFACTURING, VOL 1 | 2002年
关键词：
the Paris-Erdogan law; safety analyses; confidence limit; tolerance limit;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Because the initial crack size, the stress, the material properties and other factors that may affect the fatigue crack growth, the fatigue crack growth rate are statistically distributed. The upper limit of fatigue crack growth rate is required in safety analysis. Three kinds of methods that determine the upper limit of fatigue crack growth rate (given confidence limit and tolerance limit) are presented in this paper. From the proposed methods, the maximum crack size at any service time or the minimum service time to reach any given crack size is easily obtained. Based on the experimental data, the correctness of the presented methods is discussed.
引用
收藏
页码：556 / 561
页数：6
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