A critical discussion on influence of loading frequency on fatigue crack propagation behavior for extruded Mg-Al-Zn alloys

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	A critical discussion on influence of loading frequency on fatigue crack propagation behavior for extruded Mg-Al-Zn alloys
	R. C. Zeng; E. H. Han; W. Ke
	2012
发表期刊	International Journal of Fatigue
ISSN	0142-1123
卷号	36 期号:1 页码:40-46
摘要	Effect of loading frequency on the fatigue crack propagation (FCP) rate and mechanism of extruded Mg-Al-Zn alloys is discussed. The results demonstrate that the FCP rate of AZ80 and AZ61 alloys increases with reducing frequency. The frequency has a more significant influence on FCP rate of the AZ80 alloy than that of the AZ61 alloy. This scenario may be attributed to the thickness of the oxide films on the fracture surfaces, strain rate and the microstructure. A model based on the Langmuir and BET equation is established to predict the thickness of the oxidation films on the fracture surfaces. (C) 2011 Elsevier Ltd. All rights reserved.
部门归属	[zeng, rongchang] shandong univ sci & technol, coll mat sci & engn, qingdao 266510, peoples r china. [zeng, rongchang; han, enhou; ke, wei] chinese acad sci, state key lab corros & protect, inst met res, shenyang 110016, peoples r china.;zeng, rc (reprint author), shandong univ sci & technol, coll mat sci & engn, qingdao 266510, peoples r china.;rczeng@gmail.com
关键词	Magnesium Alloy Fatigue Crack Propagation Frequency Oxide Film Strain Rate Az61 Magnesium Alloy Die-cast Magnesium Oxide-films Temperature Oxidation Corrosion Water Air Morphology Mechanism
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/60428
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	R. C. Zeng,E. H. Han,W. Ke. A critical discussion on influence of loading frequency on fatigue crack propagation behavior for extruded Mg-Al-Zn alloys[J]. International Journal of Fatigue,2012,36(1):40-46.
APA	R. C. Zeng,E. H. Han,&W. Ke.(2012).A critical discussion on influence of loading frequency on fatigue crack propagation behavior for extruded Mg-Al-Zn alloys.International Journal of Fatigue,36(1),40-46.
MLA	R. C. Zeng,et al."A critical discussion on influence of loading frequency on fatigue crack propagation behavior for extruded Mg-Al-Zn alloys".International Journal of Fatigue 36.1(2012):40-46.