Fatigue behavior of fine-grained high strength steel 42CrMoVNb
Yang, ZG; Zhang, JM; Li, SX; Chu, ZM; Hui, WJ; Weng, YQ
Corresponding AuthorYang, ZG(
AbstractThe fatigue properties of high strength steel 42CrMoVNb with three fine grain sizes produced by different heat treatment procedures were studied. The experimental results illustrate that at 10(6)-10(7) cycles regime, there is no horizontal asymptote in fatigue S-N curves for smooth specimens, so the conventional fatigue limit disappears. SEM shows the fatigue crack initiation sites in smooth specimens are related closely to fatigue life, and most of the sites are at inclusions. From analyzing the experimental data, the critical size of inclusion and the most appropriate size of prior austenite, which should be controlled in practical production, are obtained.
Keywordhigh strength steel 42CrMoVNb fine grain size fatigue strength fatigue crack initiation site inclusion
Indexed BySCI
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000221112500008
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Document Type期刊论文
Corresponding AuthorYang, ZG
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Beijing Res Inst Mech & Elect Technol, Beijing 100083, Peoples R China
3.Cent Iron & Steel Res Inst, Beijing 100081, Peoples R China
Recommended Citation
GB/T 7714
Yang, ZG,Zhang, JM,Li, SX,et al. Fatigue behavior of fine-grained high strength steel 42CrMoVNb[J]. ACTA METALLURGICA SINICA,2004,40(4):367-372.
APA Yang, ZG,Zhang, JM,Li, SX,Chu, ZM,Hui, WJ,&Weng, YQ.(2004).Fatigue behavior of fine-grained high strength steel 42CrMoVNb.ACTA METALLURGICA SINICA,40(4),367-372.
MLA Yang, ZG,et al."Fatigue behavior of fine-grained high strength steel 42CrMoVNb".ACTA METALLURGICA SINICA 40.4(2004):367-372.
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