Processing and microstructure of TiNiSMA strips prepared by cold roll-bonding and annealing of multilayer

被引：28

作者：

Ding, HS

Lee, JM ^{[1
]}

Lee, BR

Kang, SB

Nam, TH

机构：

[1] Korea Inst Machinery & Mat, Adv Mat Res Div, Chang Won 641010, Gyeongnam, South Korea

[2] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China

[3] Gyeongsang Natl Univ, Div Adv Mat Engn, Jinju 660701, Gyeongnam, South Korea

[4] Gyeongsang Natl Univ, ERI, Jinju 660701, Gyeongnam, South Korea

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2005年 / 408卷 / 1-2期

关键词：

shape memory alloy; TiNi; multilayer; cold rolling; annealing;

D O I：

10.1016/j.msea.2005.07.055

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The preparation of TiNi SMA thin strip via cold roll-bonding and subsequent annealing treatment of pure Ti/Ni multilayer has been studied. The relationships between processing variables and microstructure formed based on the proposed method have been investigated by OM, SEM/EDS and XRD detections. It shows that the Ti/Ni multilayer with reduction of 97% can be possibly obtained by cold rolling of initially hot-press bonded pure Ti and Ni foils. Within the high thickness reduction of the multilayer, the TiNi phase is easily formed at relatively low annealing temperature and short annealing time. DSC measurement for the prepared TiNi strip have shown a good B2 to B 19' transformation behaviour and M, at around 60 degrees C, transition hysteresis of about 30 degrees C and transition enthalpy of average 24 J/g, which is similar to those by the conventional ingot-metallurgy method. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：182 / 189

页数：8

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