IMR OpenIR
Fatigue crack initiation of magnesium alloys under elastic stress amplitudes: A review
Wang, B. J.1; Xu, D. K.2; Wang, S. D.2; Han, E. H.2
Corresponding AuthorXu, D. K.(dkxu@imr.ac.cn)
2019-03-01
Source PublicationFRONTIERS OF MECHANICAL ENGINEERING
ISSN2095-0233
Volume14Issue:1Pages:113-127
AbstractThe most advantageous property of magnesium (Mg) alloys is their density, which is lower compared with traditional metallic materials. Mg alloys, considered the lightest metallic structural material among others, have great potential for applications as secondary load components in the transportation and aerospace industries. The fatigue evaluation of Mg alloys under elastic stress amplitudes is very important in ensuring their service safety and reliability. Given their hexagonal close packed structure, the fatigue crack initiation of Mg and its alloys is closely related to the deformation mechanisms of twinning and basal slips. However, for Mg alloys with shrinkage porosities and inclusions, fatigue cracks will preferentially initiate at these defects, remarkably reducing the fatigue lifetime. In this paper, some fundamental aspects about the fatigue crack initiation mechanisms of Mg alloys are reviewed, including the 3 followings: 1) Fatigue crack initiation of as-cast Mg alloys, 2) influence of microstructure on fatigue crack initiation of wrought Mg alloys, and 3) the effect of heat treatment on fatigue initiation mechanisms. Moreover, some unresolved issues and future target on the fatigue crack initiation mechanism of Mg alloys are also described.
KeywordMg alloys fatigue behavior microstructure crack initiation deformation mechanism
Funding OrganizationNational Natural Science Foundation of China ; Initiation Foundation of Shenyang Ligong University ; National Basic Research Program of China (973 Program) ; National Key Research and Development Program of China ; Innovation Fund of Institute of Metal Research, Chinese Academy of Sciences
DOI10.1007/s11465-018-0482-1
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51701129] ; National Natural Science Foundation of China[51271183] ; National Natural Science Foundation of China[51301172] ; Initiation Foundation of Shenyang Ligong University ; National Basic Research Program of China (973 Program)[2013CB632205] ; National Key Research and Development Program of China[2016YFB0301105] ; Innovation Fund of Institute of Metal Research, Chinese Academy of Sciences
WOS Research AreaEngineering
WOS SubjectEngineering, Mechanical
WOS IDWOS:000452076400010
PublisherHIGHER EDUCATION PRESS
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/130860
Collection中国科学院金属研究所
Corresponding AuthorXu, D. K.
Affiliation1.Shenyang Ligong Univ, Sch Environm & Chem Engn, Shenyang 110159, Liaoning, Peoples R China
2.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Wang, B. J.,Xu, D. K.,Wang, S. D.,et al. Fatigue crack initiation of magnesium alloys under elastic stress amplitudes: A review[J]. FRONTIERS OF MECHANICAL ENGINEERING,2019,14(1):113-127.
APA Wang, B. J.,Xu, D. K.,Wang, S. D.,&Han, E. H..(2019).Fatigue crack initiation of magnesium alloys under elastic stress amplitudes: A review.FRONTIERS OF MECHANICAL ENGINEERING,14(1),113-127.
MLA Wang, B. J.,et al."Fatigue crack initiation of magnesium alloys under elastic stress amplitudes: A review".FRONTIERS OF MECHANICAL ENGINEERING 14.1(2019):113-127.
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