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The effects of fabrication atmosphere condition on the microstructural and mechanical properties of laser direct manufactured stainless steel 17-4 PH
Wang, D.; Chi, C. T.; Wang, W. Q.; Li, Y. L.; Wang, M. S.; Chen, X. G.; Chen, Z. H.; Cheng, X. P.; Xie, Y. J.
2019-07-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume35Issue:7Pages:1315-1322
AbstractThe effects of atmosphere conditions on microstructural and mechanical properties of stainless steel 17-4PH components fabricated by laser direct manufacturing (LDM) were investigated through measurements on phase constitution, porosity, tensile strength, fracture morphology, hardness and evolution of substrate temperature. Results showed that the samples produced in air atmosphere condition possessed higher tensile strength and hardness for both as-deposited and heat-treated states than that in Ar chamber condition, due to dispersion strengthening effect of amorphous oxide particles and nitrogen solution strengthening as a result of higher content of oxygen and nitrogen. The temperature of substrate heat accumulation was higher in Ar chamber condition, leading to dramatically lower porosity and more reverse austenite, which also contributed to the lower strength and hardness. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordAdditive manufacturing Laser direct manufacturing 17-4 PH stainless steel Fabrication atmosphere Mechanical properties
Indexed BySCI
Language英语
WOS IDWOS:000466369600013
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80964
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Wang, D.,Chi, C. T.,Wang, W. Q.,et al. The effects of fabrication atmosphere condition on the microstructural and mechanical properties of laser direct manufactured stainless steel 17-4 PH[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2019,35(7):1315-1322.
APA Wang, D..,Chi, C. T..,Wang, W. Q..,Li, Y. L..,Wang, M. S..,...&Xie, Y. J..(2019).The effects of fabrication atmosphere condition on the microstructural and mechanical properties of laser direct manufactured stainless steel 17-4 PH.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,35(7),1315-1322.
MLA Wang, D.,et al."The effects of fabrication atmosphere condition on the microstructural and mechanical properties of laser direct manufactured stainless steel 17-4 PH".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 35.7(2019):1315-1322.
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