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Title:
Effects of inclusion size and stress ratio on fatigue strength for high-strength steels with fish-eye mode failure
Author: Sun CQ(孙成奇); Lei ZQ(雷铮强); Xie JJ(谢季佳); Hong YS(洪友士)
Source: INTERNATIONAL JOURNAL OF FATIGUE
Issued Date: 2013-03
Volume: 48, Pages:19-27
Abstract: Experimental results indicate that the fatigue life reduces by about two orders of magnitude when inclusion size doubles. Then, a model is proposed for predicting the fatigue strength of high-strength steels with fish-eye mode failure based on the experimental results for the effect of inclusion size and stress ratio. In the model, the effect of inclusion size a0 and stress ratio R on fatigue strength σa is expressed as σa proportional to σa  a0m[(1 − R)/2]α, where m and a are material parameters. The predicted results are in good agreement with our experimental results and the ones reported in literature.
Keyword: Very-high-cycle fatigue ; Inclusion size ; Stress ratio ; Fatigue strength ; High-strength steels
Language: 英语
Indexed Type: SCI ; EI
Corresponding Author: Hong, YS (reprint author), Chinese Acad Sci, State Key Lab Nonlinear Mech, Inst Mech, Beijing 100190, Peoples R China.
Correspondent Email: hongys@imech.ac.cn
Related URLs: 查看原文
WOS ID: WOS:000315617500004
ISSN: 0142-1123
Rank: [Sun, Chengqi; Lei, Zhengqiang; Xie, Jijia; Hong, Youshi] Chinese Acad Sci, State Key Lab Nonlinear Mech, Inst Mech, Beijing 100190, Peoples R China
Subject: 固体力学::疲劳与断裂力学
Department: LNM金属材料微结构与力学性能
Classification: 二类/Q1
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/47141
Appears in Collections:非线性力学国家重点实验室_期刊论文

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Recommended Citation:
Sun CQ,Lei ZQ,Xie JJ,et al. Effects of inclusion size and stress ratio on fatigue strength for high-strength steels with fish-eye mode failure[J]. INTERNATIONAL JOURNAL OF FATIGUE,2013-03-01,48:19-27.
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