Temperature dependence of indentation recovery ratios in austenitic and martensitic shape memory alloys

Shastry, Vyasa V (2013) Temperature dependence of indentation recovery ratios in austenitic and martensitic shape memory alloys. In: Smart Materials and Structures, 22 (7). 077002_1-077002_5.

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Abstract

Instrumented microindentation (IM) on two Ni-Ti shape memory alloys (SMAs), where one is austenitic and the other is martensitic at room temperature, were conducted from 40 to 150 degrees C. Results show that the depth and work recovery ratios, eta(d) and eta(w) respectively, are complementary to each other. While eta(d) decreases gradually with temperature for austenite, it drops markedly for the martensite in the martensite-to-austenite transformation regime. These results affirm the utility of IM for characterizing SMAs.

Item Type:	Journal Article
Publication:	Smart Materials and Structures
Publisher:	IOP Publishing Ltd
Additional Information:	Copyright of this article belongs to IOP Publishing Ltd.
Department/Centre:	Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited:	19 Sep 2013 17:33
Last Modified:	19 Sep 2013 17:33
URI:	http://eprints.iisc.ac.in/id/eprint/47215

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