Fabrication, microstructure and mechanical properties of W-NiTi composites
文献类型：期刊论文
| 作者 | Shao Y; Guo FM; Xun Y(郇勇) ; Jiang DQ; Zhang JS; Ren Y; Cui LS; Huan Y(郇勇)
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| 刊名 | JOURNAL OF ALLOYS AND COMPOUNDS
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| 出版日期 | 2017 |
| 卷号 | 695页码:1976-1983 |
| 通讯作者邮箱 | shaoyangok@163.com ; lscui@cup.edu.cn |
| 关键词 | Martensite variant detwinning Tungsten Infiltration Near equiatomic NiTi |
| ISSN号 | 0925-8388 |
| 产权排序 | [Shao, Yang; Guo, Fangmin; Jiang, Daqiang; Zhang, Junsong; Cui, Lishan] China Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China; [Shao, Yang; Guo, Fangmin; Jiang, Daqiang; Zhang, Junsong; Cui, Lishan] China Univ Petr, Dept Mat Sci & Engn, Beijing 102249, Peoples R China; [Huan, Yong] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China; [Ren, Yang] Argonne Natl Lab, Xray Sci Div, 9700 S Cass Ave, Argonne, IL 60439 USA |
| 通讯作者 | Shao, Y ; Cui, LS (reprint author), China Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China. ; Shao, Y ; Cui, LS (reprint author), China Univ Petr, Dept Mat Sci & Engn, Beijing 102249, Peoples R China. |
| 中文摘要 | New two-phase tungsten-based composites containing 88 wt% tungsten powders and 12 wt% nearly equiatomic NiTi alloy deforming by martensite variant detwinning were fabricated by infiltration and hot pressing in this study. The change of Ti/Ni ratio in NiTi mater alloy and the effect of addition of Nb element on the microstructure, martensitic transformation and mechanical properties of W-NiTi composites were investigated by comparison of W-Ni50Ti50, W-Ni44Ti56, W-Ni42Ti58 and W-Ni42Ti53Nb5 composites. The results showed that brittle Ni3Ti formed in the W-Ni50Ti50 and W-Ni44Ti56 composites and brittle Ti2Ni formed in the W-Ni42Ti58 composites while no brittle intermetallics formed in the W-Ni42Ti53Nb5 composite. The W-Ni42Ti53Nb5 composite exhibited the sharpest martensitic transformation with the largest transformation enthalpy among the four different composites. The W-Ni42Ti53Nb5 composite exhibited a double-yielding phenomenon under compression with an ultimate compressive strength of 3820 MPa and a deformation of 50.4%. In-situ synchrotron high-energy Xray diffraction measurements revealed the first yielding was caused by the martensite reorientation of the NiTi matrix and the second was due to the commencement of massive plastic deformation of the reoriented martensite and is also attributed to the microscopic internal fracturing of the W particles. (C) 2016 Elsevier B.V. All rights reserved. |
| 分类号 | 一类 |
| 类目[WOS] | Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| 研究领域[WOS] | Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering |
| 关键词[WOS] | Martensite variant detwinning ; Tungsten ; Infiltration ; Near equiatomic NiTi |
| 收录类别 | SCI ; EI |
| 原文出处 | http://dx.doi.org/10.1016/j.jallcom.2016.11.032 |
| 语种 | 英语 |
| WOS记录号 | WOS:000391817600247 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/59964]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Shao Y,Guo FM,Xun Y,et al. Fabrication, microstructure and mechanical properties of W-NiTi composites[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2017,695:1976-1983. |
| APA | Shao Y.,Guo FM.,郇勇.,Jiang DQ.,Zhang JS.,...&Huan Y.(2017).Fabrication, microstructure and mechanical properties of W-NiTi composites.JOURNAL OF ALLOYS AND COMPOUNDS,695,1976-1983. |
| MLA | Shao Y,et al."Fabrication, microstructure and mechanical properties of W-NiTi composites".JOURNAL OF ALLOYS AND COMPOUNDS 695(2017):1976-1983. |
入库方式： OAI收割
来源：力学研究所
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