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Deformation behaviors of as-built and hot isostatically pressed Ti-6Al-4V alloys fabricated via electron beam rapid manufacturing
Liu, Z.; Zhao, Z. B.; Liu, J. R.; Wang, L.; Zhu, S. X.; Yang, G.; Gong, S. L.; Wang, Q. J.; Yang, R.
2019-11-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume35Issue:11Pages:2552-2558
AbstractThe deformation behavior of as-built and hot isostatically pressed (HIP) Ti-6Al-4 V alloys fabricated using electron beam rapid manufacturing (EBRM) were investigated in this work. The deformation characteristics were characterized using a laser scanning confocal microscope and electron back-scattered diffraction (EBSD). In the as-built sample, prismatic slip was the main mode of deformation, as well as a small amount of basal slip and cross-slip. Some planar slip lines with large length scales were observed across several c lamellae. After hot isostatical pressing, prismatic and basal slip were the main mode of deformation, accompanied by abundant cross-slip and multiple slip, and most of the slip lines were blocked within an c lamellae. These differences in deformation behavior were associated with the coarsening of c laths and the more retained p phase after HIP compared to the as-built alloy. More cross-slip and multiple slip can lead to superior elongation-to-failure and a greater strain hardening effect in the HIP alloy compared to the as-built sample. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordElectron beam rapid manufacturing Ti-6Al-4V Hot isostatic pressure Mechanical properties Slip behavior
Indexed BySCI
Language英语
WOS IDWOS:000497965900015
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80653
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Liu, Z.,Zhao, Z. B.,Liu, J. R.,et al. Deformation behaviors of as-built and hot isostatically pressed Ti-6Al-4V alloys fabricated via electron beam rapid manufacturing[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2019,35(11):2552-2558.
APA Liu, Z..,Zhao, Z. B..,Liu, J. R..,Wang, L..,Zhu, S. X..,...&Yang, R..(2019).Deformation behaviors of as-built and hot isostatically pressed Ti-6Al-4V alloys fabricated via electron beam rapid manufacturing.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,35(11),2552-2558.
MLA Liu, Z.,et al."Deformation behaviors of as-built and hot isostatically pressed Ti-6Al-4V alloys fabricated via electron beam rapid manufacturing".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 35.11(2019):2552-2558.
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