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Effects of mechanical polishing treatments on high cycle fatigue behavior of Ti-6Al-2Sn-4Zr-2Mo alloy
Yuan, Fusen; Liu, Chengze; Gu, Hengfei; Han, Fuzhou; Zhang, Yingdong; Ali, Muhammad; Li, Geping
2019-04-01
Source PublicationINTERNATIONAL JOURNAL OF FATIGUE
ISSN0142-1123
Volume121Pages:55-62
AbstractIn this study, high cycle fatigue (HCF) behavior of Ti-6Al-2Sn-4Zr-2Mo (wt.%) (Ti-6242) alloy sheets subjected to mechanical polishing treatments (MPTs) were investigated at room temperature. The effects of surface roughness and residual stress induced by the MPTs (cold rolling polishing (CRP), sandpaper polishing (SP) and nylon cloth polishing (NCP)) were studied. Results indicate that the fatigue limits of Ti-6242 alloy sheets polished by CRP, SP and NCP were 632.6, 593.0 and 639.0 MPa, respectively. The average surface roughness (Ra) values of the Ti-6242 alloy sheets for CRP, SP and NCP were 0.36, 0.31 and 0.18 mu m, respectively. Top surface tensile residual stress (IRS), surface and deep subsurface TRS and top surface compressive residual stress (CRS) were induced by CRP, SP and NCP, respectively. HCF behavior of the Ti-6242 alloy sheets was dominantly influenced by deep subsurface residual stress induced by the MPTs, whereas the effects of surface roughness and top surface residual stress were negligible.
KeywordTi-6Al-2Sn-4Zr-2Mo High cycle fatigue Mechanical polishing treatment Surface roughness Residual stress
Indexed BySCI
Language英语
WOS IDWOS:000462105400006
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81222
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Yuan, Fusen,Liu, Chengze,Gu, Hengfei,et al. Effects of mechanical polishing treatments on high cycle fatigue behavior of Ti-6Al-2Sn-4Zr-2Mo alloy[J]. INTERNATIONAL JOURNAL OF FATIGUE,2019,121:55-62.
APA Yuan, Fusen.,Liu, Chengze.,Gu, Hengfei.,Han, Fuzhou.,Zhang, Yingdong.,...&Li, Geping.(2019).Effects of mechanical polishing treatments on high cycle fatigue behavior of Ti-6Al-2Sn-4Zr-2Mo alloy.INTERNATIONAL JOURNAL OF FATIGUE,121,55-62.
MLA Yuan, Fusen,et al."Effects of mechanical polishing treatments on high cycle fatigue behavior of Ti-6Al-2Sn-4Zr-2Mo alloy".INTERNATIONAL JOURNAL OF FATIGUE 121(2019):55-62.
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