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Selective laser melted high Ni content TiNi alloy with superior superelasticity and hardwearing

文献类型：期刊论文

作者Shen, Hui1; Zhang, Qingquan1,2,3; Yang, Ying1; Ren, Yang4; Guo, Yanbao5; Yang, Yafeng6; Li, Zhonghan1; Xiong, Zhiwei1; Kong, Xiangguang1; Zhang, Zhihui2,3
刊名JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
出版日期2022-07-20
卷号116页码:246-257
关键词Selective laser melting High Ni content TiNi Superelasticity Wear In situ high-energy X-ray diffraction Microstructure
ISSN号1005-0302
DOI10.1016/j.jmst.2021.09.067
英文摘要TiNi alloys with high content Ni (52-55 at.%) are perfectly suitable for preparing wear-and corrosion resistant parts that service on the space station, spacecraft, and submarine, because of their superior superelasticity, high strength, and hardwearing. However, the fabrication of complicated Ni-rich TiNi parts by the traditional machining method often faces problems of poor precision, low efficiency, and high cost. In this work, we succeed in preparing an excellent Ti47Ni53 alloy by selective laser melting (SLM), and thus, open a new way for the efficient and precise formation of complicated Ni-rich TiNi parts with superelasticity and hardwearing. An optimized processing window for compact parts without defects is reported. The elaborately fabricated Ti47Ni53 alloy exhibited a breaking strain of 11%, a breaking stress of 2.0 GPa, a superelastic strain of 9%, and a better hardwearing than that of casting and quenched Ti47Ni53 alloy. Besides, the microstructure, phase transformation, and deformation, as well as their influence mechanisms are investigated by in situ transmission electron microscope (TEM) and high-energy X-ray diffraction (HE-XRD). The results obtained are of significance for both fundamental research and technological applications of SLM-fabricated high Ni content TiNi alloys. (C) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
WOS关键词MARTENSITIC PHASE-TRANSFORMATIONS ; NI4TI3 PRECIPITATION ; SURFACE-TREATMENT ; ELASTIC STRAIN ; MEMORY ; DEFORMATION ; MICROSTRUCTURE ; STRESS ; PARAMETERS ; COMPOSITE
资助项目National Key R&D Program of China[2018YFB1105100] ; NSFC[51971244] ; NSFC[51731010] ; Advanced Structural Technology Foundation of China[2020-JCJQ-JJ-024] ; US Department of Energy, Office of Science[DE-AC02-06CH11357] ; US Department of Energy, Office of Basic Energy Science[DE-AC02-06CH11357]
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000788132300008
出版者JOURNAL MATER SCI TECHNOL
资助机构National Key R&D Program of China ; NSFC ; Advanced Structural Technology Foundation of China ; US Department of Energy, Office of Science ; US Department of Energy, Office of Basic Energy Science
源URL[http://ir.ipe.ac.cn/handle/122111/52942]  
专题中国科学院过程工程研究所
通讯作者Yang, Ying; Zhang, Zhihui; Hao, Shijie
作者单位1.China Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
2.Jilin Univ, Key Lab Bion Engn, Minist Educ, Changchun 130025, Peoples R China
3.Jilin Univ, Coll Biol & Agr Engn, Changchun 130025, Peoples R China
4.City Univ Hong Kong, Dept Phys, Kowloon, Hong Kong, Peoples R China
5.China Univ Petr, Coll Mech & Transportat Engn, Beijing 102249, Peoples R China
6.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Shen, Hui,Zhang, Qingquan,Yang, Ying,et al. Selective laser melted high Ni content TiNi alloy with superior superelasticity and hardwearing[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2022,116:246-257.
APA Shen, Hui.,Zhang, Qingquan.,Yang, Ying.,Ren, Yang.,Guo, Yanbao.,...&Hao, Shijie.(2022).Selective laser melted high Ni content TiNi alloy with superior superelasticity and hardwearing.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,116,246-257.
MLA Shen, Hui,et al."Selective laser melted high Ni content TiNi alloy with superior superelasticity and hardwearing".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 116(2022):246-257.

入库方式： OAI收割

来源：过程工程研究所

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