Fatigue crack growth behavior of beta-annealed Ti-6Al-2Sn-4Zr-xMo (x=2, 4 and 6) alloys: Influence of microstructure and stress ratio

IMR OpenIR

	Fatigue crack growth behavior of beta-annealed Ti-6Al-2Sn-4Zr-xMo (x=2, 4 and 6) alloys: Influence of microstructure and stress ratio
	Qiu, Jianke; Feng, Xin; Ma, Yingjie; Lei, Jiafeng; Liu, Yuyin; Huang, Aijun; Rugg, David; Yang, Rui; ryang@imr.ac.cn
	2016
发表期刊	INTERNATIONAL JOURNAL OF FATIGUE
ISSN	0142-1123
卷号	83 页码:150-160
摘要	The influence of microstructures (beta grain size, alpha/beta colony size and width of a lath) and stress ratios (R = 0.1, 0.7) on fatigue crack growth (FCG) behavior of beta-annealed Ti624x (x = 2, 4 and 6) alloys was investigated. The FCG rate curves, crack paths, and the plastic zone ahead of the crack tip were compared. The reducing FCG resistance from Ti6242 to Ti6246 was found to stem from decreasing alpha/beta colony size. Increasing stress ratio also reduced crack deflection and crack closure, and thus decreased the FCG resistance. The relevant mechanisms were discussed in terms of Kma and crack closure effect. (C) 2015 Elsevier Ltd. All rights reserved.
部门归属	[qiu, jianke ; feng, xin ; ma, yingjie ; lei, jiafeng ; liu, yuyin ; yang, rui] chinese acad sci, inst met res, shenyang 110016, peoples r china ; [huang, aijun] baosteel co ltd, shanghai 200940, peoples r china ; [rugg, david] rolls royce plc, derby de24 8bj, england
关键词	Ti624x Microstructure Fatigue Crack Growth Stress Ratio Crack Closure
资助者	National Science Foundation of China [51171195]
收录类别	sci
语种	英语
WOS记录号	WOS:000367111300007
引用统计	被引频次：33[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/74849
专题	中国科学院金属研究所
通讯作者	ryang@imr.ac.cn
推荐引用方式 GB/T 7714	Qiu, Jianke,Feng, Xin,Ma, Yingjie,et al. Fatigue crack growth behavior of beta-annealed Ti-6Al-2Sn-4Zr-xMo (x=2, 4 and 6) alloys: Influence of microstructure and stress ratio[J]. INTERNATIONAL JOURNAL OF FATIGUE,2016,83:150-160.
APA	Qiu, Jianke.,Feng, Xin.,Ma, Yingjie.,Lei, Jiafeng.,Liu, Yuyin.,...&ryang@imr.ac.cn.(2016).Fatigue crack growth behavior of beta-annealed Ti-6Al-2Sn-4Zr-xMo (x=2, 4 and 6) alloys: Influence of microstructure and stress ratio.INTERNATIONAL JOURNAL OF FATIGUE,83,150-160.
MLA	Qiu, Jianke,et al."Fatigue crack growth behavior of beta-annealed Ti-6Al-2Sn-4Zr-xMo (x=2, 4 and 6) alloys: Influence of microstructure and stress ratio".INTERNATIONAL JOURNAL OF FATIGUE 83(2016):150-160.