IMECH-IR  > 非线性力学国家重点实验室
Crack initiation behavior and fatigue performance up to very-high-cycle regime of AlSi10Mg fabricated by selective laser melting with two powder sizes
Jian ZM(渐徵墨)1,2; Qian GA(钱桂安)1,2; Paolino, D. S.3; Tridello, A.3; Berto, F.4; Hong YS(洪友士)1,2
Corresponding AuthorQian, G. A.(qianguian@imech.ac.cn) ; Hong, Y. S.(hongys@imech.ac.cn)
Source PublicationINTERNATIONAL JOURNAL OF FATIGUE
2021-02-01
Volume143Pages:12
ISSN0142-1123
AbstractThe high-cycle and very-high-cycle fatigue (VHCF) behavior of AlSi10Mg specimens manufactured by selective laser melting with different printing powder sizes was investigated. The specimens with 20 mu m powder size contained more defects than those with 50 mu m powder size, and the latter have a higher fatigue property than the former. Unmelted powders were detected as the main source of crack initiation. The specimens printed with 50 mu m powder size are more likely to feature subsurface crack initiation in the VHCF regime. Five different types of crack initiation modes were identified, and the fatigue strength was assessed by statistical model.
KeywordSelective laser melting AlSi10Mg VHCF Defects Crack initiation
DOI10.1016/j.ijfatigue.2020.106013
Indexed BySCI ; EI
Language英语
WOS IDWOS:000597143800002
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Mechanical ; Materials Science, Multidisciplinary
Funding ProjectNSFC Basic Science Center Program[11988102] ; National Natural Science Foundation of China[11872364] ; National Natural Science Foundation of China[11932020] ; National Natural Science Foundation of China[12072345] ; CAS Pioneer Hundred Talents Program
Funding OrganizationNSFC Basic Science Center Program ; National Natural Science Foundation of China ; CAS Pioneer Hundred Talents Program
Classification一类
Ranking1
ContributorQian, G. A. ; Hong, Y. S.
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/85871
Collection非线性力学国家重点实验室
Affiliation1.Chinese Acad Sci, State Key Lab Nonlinear Mech LNM, Inst Mech, Beijing 100190, Peoples R China;
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China;
3.Politecn Torino, Dept Mech & Aerosp Engn, I-10129 Turin, Italy;
4.Norwegian Univ Sci & Technol NTNU, Dept Mech & Ind Engn, Richard Birkelands Vei 2b, N-7491 Trondheim, Norway
Recommended Citation
GB/T 7714
Jian ZM,Qian GA,Paolino, D. S.,et al. Crack initiation behavior and fatigue performance up to very-high-cycle regime of AlSi10Mg fabricated by selective laser melting with two powder sizes[J]. INTERNATIONAL JOURNAL OF FATIGUE,2021,143:12.
APA 渐徵墨,钱桂安,Paolino, D. S.,Tridello, A.,Berto, F.,&洪友士.(2021).Crack initiation behavior and fatigue performance up to very-high-cycle regime of AlSi10Mg fabricated by selective laser melting with two powder sizes.INTERNATIONAL JOURNAL OF FATIGUE,143,12.
MLA 渐徵墨,et al."Crack initiation behavior and fatigue performance up to very-high-cycle regime of AlSi10Mg fabricated by selective laser melting with two powder sizes".INTERNATIONAL JOURNAL OF FATIGUE 143(2021):12.
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