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Enhancing Fatigue Strength of Selective Laser Melting-Fabricated Inconel 718 by Tailoring Heat Treatment Route
Wan, Hong-Yuan1,2; Zhou, Zhong-Jiao3; Li, Chang-Peng3; Chen, Guo-Feng3; Zhang, Guang-Ping1
Corresponding AuthorZhang, Guang-Ping(gpzhang@imr.ac.cn)
2018-10-01
Source PublicationADVANCED ENGINEERING MATERIALS
ISSN1438-1656
Volume20Issue:10Pages:6
AbstractVoids are always unavoidably introduced into metals fabricated by selective laser melting (SLM), and thus greatly degrade fatigue performance of metals. Such a fatal weakness strongly limits the application of SLM-fabricated metals to load-bearing structural components for the long-term service. Here, the authors found that fatigue strength of SLM-fabricated Inconel 718 is significantly improved after the proper heat treatment route not only due to the elimination of Laves phases and the precipitation of / strengthening phases, but also the appearance of ultrafine-scale acicular phases, which effectively suppressed the degraded effect of voids. The finding may provide a potential strategy to enhance fatigue strength of SLM-fabricated materials by tailoring heat-treatment route.
Keywordfatigue strength heat treatment selective laser melting void
Funding OrganizationNational Natural Science Foundation of China (NSFC)
DOI10.1002/adem.201800307
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[51771207] ; National Natural Science Foundation of China (NSFC)[51571199]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000447631600016
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129740
Collection中国科学院金属研究所
Corresponding AuthorZhang, Guang-Ping
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Liaoning, Peoples R China
3.Siemens Ltd, Mat & Mfg Qualificat Grp, Corp Technol, Beijing 100102, Peoples R China
Recommended Citation
GB/T 7714
Wan, Hong-Yuan,Zhou, Zhong-Jiao,Li, Chang-Peng,et al. Enhancing Fatigue Strength of Selective Laser Melting-Fabricated Inconel 718 by Tailoring Heat Treatment Route[J]. ADVANCED ENGINEERING MATERIALS,2018,20(10):6.
APA Wan, Hong-Yuan,Zhou, Zhong-Jiao,Li, Chang-Peng,Chen, Guo-Feng,&Zhang, Guang-Ping.(2018).Enhancing Fatigue Strength of Selective Laser Melting-Fabricated Inconel 718 by Tailoring Heat Treatment Route.ADVANCED ENGINEERING MATERIALS,20(10),6.
MLA Wan, Hong-Yuan,et al."Enhancing Fatigue Strength of Selective Laser Melting-Fabricated Inconel 718 by Tailoring Heat Treatment Route".ADVANCED ENGINEERING MATERIALS 20.10(2018):6.
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