A novel strategy for fabricating phase transforming NiTi shape memory alloy via multiple processes of severe plastic deformation

被引：5
作者：
Zhang, Jintao [1 ]
Wang, Shibo [1 ]
Hu, Peng [1 ]
Zhang, Yu [2 ]
Ding, Hua [1 ,2 ]
Huang, Yi [3 ,4 ]
机构：
[1] Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Peoples R China
[2] Northeastern Univ, Key Lab Light Struct Mat Liaoning Prov, Shenyang 110819, Peoples R China
[3] Bournemouth Univ, Fac Sci & Technol, Dept Design & Engn, Poole BH12 5BB, Dorset, England
[4] Univ Southampton, Dept Mech Engn, Mat Res Grp, Southampton SO17 1BJ, England
来源：
MATERIALS LETTERS | 2024年 / 355卷
关键词：
Metals and alloys; Microstructure; NiTi shape memory alloy; Accumulative roll bonding; High -pressure torsion; TEMPERATURE; PRESSURE; MICROSTRUCTURE; STABILITY; TEXTURE;
D O I：
10.1016/j.matlet.2023.135439
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
NiTi shape memory alloy was successfully fabricated from Ni/Ti multilayers via an innovatively combinative route consisting of accumulative roll bonding (ARB), high-pressure torsion (HPT) and annealing. Due to the severe plastic deformation induced by ARB and HPT, the subsequent post annealing time was significantly reduced. Differential scanning calorimetry (DSC) analysis confirms the occurrence of austenitic and martensitic transformations during heating and cooling process, implying that the shape memory effect was obtained.
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页数：3
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