Effects of proton irradiation on transformation behavior of TiNi shape memory alloy thin films

Wang, Zhiguo, Zu, Xiao-Tao, Fu, Yong Qing, Wu, J. H. and Du, Hejun (2005) Effects of proton irradiation on transformation behavior of TiNi shape memory alloy thin films. Thin Solid Films, 474 (1-2). pp. 322-325. ISSN 0040 6090

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Official URL: http://dx.doi.org/10.1016/j.tsf.2004.08.168

Abstract

In this work, Ti–49.8 at.% Ni shape memory alloy (SMA) thin films were irradiated by 60-keV protons with two types of doses: 5×1016 and 1×1017 H+/cm2. The influence of proton irradiation on the transformation behavior of TiNi shape memory alloy films was investigated by differential scanning calorimetry (DSC) and glancing-incidence X-ray diffraction (GIXRD). The martensite transformation temperatures and austenite transformation temperatures shifted to lower value after proton irradiation, whereas proton irradiation has little effect on the R-phase transformation temperatures. This observation can be attributed to the formation of hydrides after proton irradiation.

Item Type: Article
Uncontrolled Keywords: Shape memory alloy thin film; Proton irradiation; Ion implantation; Differential scanning calorimetry; X-ray diffraction
Subjects: F200 Materials Science
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 26 Mar 2015 16:17
Last Modified: 31 Mar 2016 13:46
URI: http://nrl.northumbria.ac.uk/id/eprint/21844

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