Study of incomplete transformations of near equiatomic TiNi shape memory alloys by DSC methods

Wang, Zhiguo, Zu, Xiao-Tao and Fu, Yong Qing (2005) Study of incomplete transformations of near equiatomic TiNi shape memory alloys by DSC methods. Materials Science and Engineering: A, 390 (1-2). pp. 400-403. ISSN 0921 5093

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Official URL: http://dx.doi.org/10.1016/j.msea.2004.08.010

Abstract

The incomplete transformations of near equiatomic TiNi shape memory alloys were investigated by differential scanning calorimeter (DSC). The results showed that the incomplete transformation can induce multistage phase transformation in a sample showing R-phase transformation, when the turn back temperature located in a value between Rf and Ms, the heat flow detected upon following heating only shows one endothermic peak. With decreasing the turn back temperature to a temperature between Ms and Mf, two endothermic peaks (multistage phase transformation) can be observed upon the following heating. There were no incomplete transformation induced multistage phase transformations in a sample without R-phase transformation.

Item Type: Article
Uncontrolled Keywords: TiNi shape memory alloy; Incomplete transformation; Differential scanning calorimeter
Subjects: F200 Materials Science
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 26 Mar 2015 16:53
Last Modified: 06 Apr 2016 10:40
URI: http://nrl.northumbria.ac.uk/id/eprint/21858

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