Prediction of Accurate Mixed Mode Fatigue Crack Growth Curves using the Paris’ Law

被引：22
|
作者：
Sajith S. [1 ]
Krishna Murthy K.S.R. [1 ]
Robi P.S. [1 ]
机构：
[1] Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Guwahati
来源：
Journal of The Institution of Engineers (India): Series C | 2019年 / 100卷 / 01期
关键词：
Crack growth; Fatigue; Mixed mode; Paris; law; Stress intensity factor;
D O I：
10.1007/s40032-017-0418-2
中图分类号：
学科分类号：
摘要：
Accurate information regarding crack growth times and structural strength as a function of the crack size is mandatory in damage tolerance analysis. Various equivalent stress intensity factor (SIF) models are available for prediction of mixed mode fatigue life using the Paris’ law. In the present investigation these models have been compared to assess their efficacy in prediction of the life close to the experimental findings as there are no guidelines/suggestions available on selection of these models for accurate and/or conservative predictions of fatigue life. Within the limitations of availability of experimental data and currently available numerical simulation techniques, the results of present study attempts to outline models that would provide accurate and conservative life predictions. © 2017, The Institution of Engineers (India).
引用
收藏
页码：165 / 174
页数：9
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