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New method for determining P-S-N curves in terms of equivalent fatigue lives
Bai, Xin; Zhang, Peng; Zhang, Zhen-jun; Liu, Rui; Zhang, Zhe-feng
2019-10-01
Source PublicationFATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES
ISSN8756-758X
Volume42Issue:10Pages:2340-2353
AbstractA new method for determining the P-S-N curves is proposed by the probabilistic analysis of the mixed samples that are composed of the testing fatigue lives and equivalent fatigue lives. The equivalent fatigue lives at each level are converted from all the testing data at all the testing levels according to the equivalent fatigue failure probability, where the life distributions are determined by the medians of logarithmic fatigue lives at respective levels and a unified coefficient of variation. Comparison results of the P-S-N curves of 2024-T3 and A356.0-T6 alloys with the different methods indicate that the new method can determine the high-precision P-S-N curves with different sample sizes of the S-N testing data, and can save testing time and improve testing efficiency, especially for the situation of large-scatter S-N testing data.
Keyworddifferent sample size equivalent fatigue life P-S-N curves testing efficiency testing time
Indexed BySCI
Language英语
WOS IDWOS:000474015100001
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80927
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Bai, Xin,Zhang, Peng,Zhang, Zhen-jun,et al. New method for determining P-S-N curves in terms of equivalent fatigue lives[J]. FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES,2019,42(10):2340-2353.
APA Bai, Xin,Zhang, Peng,Zhang, Zhen-jun,Liu, Rui,&Zhang, Zhe-feng.(2019).New method for determining P-S-N curves in terms of equivalent fatigue lives.FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES,42(10),2340-2353.
MLA Bai, Xin,et al."New method for determining P-S-N curves in terms of equivalent fatigue lives".FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES 42.10(2019):2340-2353.
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