Microscopic characterization on low cycle fatigue behavior at room temperature of Zircaloy-4 alloy with recrystallized microstructure

doi:10.1016/j.jallcom.2018.11.139

CORC > 金属研究所 > 中国科学院金属研究所

	Microscopic characterization on low cycle fatigue behavior at room temperature of Zircaloy-4 alloy with recrystallized microstructure
	Han, Fuzhou 2,3; Liu, Chengze 2,3; Yuan, Fusen 2,3; Zhang, Yingdong 2,3; Ali, Muhammad 2,3; Gu, Hengfei 1,2; Li, Geping 2
刊名	JOURNAL OF ALLOYS AND COMPOUNDS
	2019-03-25
卷号	778 页码:318-326
关键词	Zircaloy-4 LCF Crack initiation Crack propagation Behavior
ISSN号	0925-8388
DOI	10.1016/j.jallcom.2018.11.139
通讯作者	Li, Geping(gpli@imr.ac.cn)
英文摘要	Low cycle fatigue (LCF) tests, with the total strain amplitude (Delta epsilon t/2) in the range of +/- (0.5-3.0%), were employed at room temperature on Zircaloy-4 (Zr-4) alloy with recrystallized microstructure, aiming to investigate its fatigue life, fatigue crack initiation and propagation mechanisms. Results indicated that the fatigue behavior of Zr-4 alloy followed Coffin-Mason relation with fatigue ductility exponent of 0.2426. Fractographic investigation of all mechanically tested specimens revealed that the fatigue specimen surface is the preferential crack initiation place. SEM observation on the crack propagation regions of fatigue specimens showed that a large number of fatigue striations distributed in the crack propagation regions. Further detailed investigation revealed that micro-crack growth rates can be quantitatively evaluated in terms of strain amplitude. (C) 2018 Elsevier B.V. All rights reserved.
WOS研究方向	Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	ELSEVIER SCIENCE SA
WOS记录号	WOS:000455179500039
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/131470]
专题	金属研究所_中国科学院金属研究所
通讯作者	Li, Geping
作者单位	1.Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China 3.Univ Sci & Technol China, Sch Mat Sci & Engn, 96 JinZhai Rd, Hefei 230026, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Han, Fuzhou,Liu, Chengze,Yuan, Fusen,et al. Microscopic characterization on low cycle fatigue behavior at room temperature of Zircaloy-4 alloy with recrystallized microstructure[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2019,778:318-326.
APA	Han, Fuzhou.,Liu, Chengze.,Yuan, Fusen.,Zhang, Yingdong.,Ali, Muhammad.,...&Li, Geping.(2019).Microscopic characterization on low cycle fatigue behavior at room temperature of Zircaloy-4 alloy with recrystallized microstructure.JOURNAL OF ALLOYS AND COMPOUNDS,778,318-326.
MLA	Han, Fuzhou,et al."Microscopic characterization on low cycle fatigue behavior at room temperature of Zircaloy-4 alloy with recrystallized microstructure".JOURNAL OF ALLOYS AND COMPOUNDS 778(2019):318-326.