Strain rate dependence of a super-elastic NiTi alloy

C.R. Siviour; J.E. Huber; T. Normanton; N. Petrinic

doi:doi:10.1051/dymat/2009161

All issues

Volume 2 (2009)

10.1051/dymat/2009161

Abstract

Issue		DYMAT 2009 Volume 2, 2009 DYMAT 2009 - 9th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading


Page(s)		1153 - 1159
Section		Micro-Structural Effects
DOI		https://doi.org/10.1051/dymat/2009161
Published online		15 September 2009

DYMAT 2009 (2009) 1153-1159
DOI: 10.1051/dymat/2009161

Strain rate dependence of a super-elastic NiTi alloy

C.R. Siviour, J.E. Huber, T. Normanton and N. Petrinic

Department of Engineering Science, University of Oxford, Parks Road, Oxford, OX1 3PJ, UK

Published online: 15 September 2009

Abstract
The response of a super-elastic NiTi alloy to mechanical deformation has been investigated in tension and compression at strain rates of 10⁻³ and 10³ s⁻¹. The effect of loading direction has been understood through the nature of the phase transformation in the material, whilst comparison of quasi-static experiments at elevated temperatures to the response of the material at high strain rates provides better understanding of the importance of adiabatic heating in high strain rate loading.