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Detecting void-induced scatter of fatigue life of selective laser melting-fabricated inconel 718 using miniature specimens
Luo, Y. W.; Zhang, B.; Li, C. P.; Chen, G. F.; Zhang, G. P.
2019-04-01
Source PublicationMATERIALS RESEARCH EXPRESS
ISSN2053-1591
Volume6Issue:4
AbstractIn order to detect the uncertainty of fatigue properties of additive manufacturing-fabricated Inconel 718 parts, by using miniature specimens, we statistically reveal void-induced fatigue data scatter. We found that the voids located at the specimen surface and/or near the surface not only reduced fatigue strength but also increased the degree of the fatigue data scatter, while such a trend could be lessened by the proper heat treatment. We expect that the miniature specimen testing method could effectively sample the voids with different distribution features, and thus quantitatively detect such defect-dominated uncertainty of fatigue properties of the additive manufacturing-fabricated parts.
Keywordselective laser melting fatigue properties superalloy miniature specimen data scatter
Indexed BySCI
Language英语
WOS IDWOS:000457295600001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81241
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Luo, Y. W.,Zhang, B.,Li, C. P.,et al. Detecting void-induced scatter of fatigue life of selective laser melting-fabricated inconel 718 using miniature specimens[J]. MATERIALS RESEARCH EXPRESS,2019,6(4).
APA Luo, Y. W.,Zhang, B.,Li, C. P.,Chen, G. F.,&Zhang, G. P..(2019).Detecting void-induced scatter of fatigue life of selective laser melting-fabricated inconel 718 using miniature specimens.MATERIALS RESEARCH EXPRESS,6(4).
MLA Luo, Y. W.,et al."Detecting void-induced scatter of fatigue life of selective laser melting-fabricated inconel 718 using miniature specimens".MATERIALS RESEARCH EXPRESS 6.4(2019).
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