Effect of aging and solution annealing on transformation and deformation mechanism of super-elastic Ni50.9%-Ti alloy in nano- scale A. Ghabchi, J. Khalil-Allafi, X.W. Liu, O. Söderberg, E. Turunen and S-P Hannula Published online: 01 September 2009 DOI: 10.1051/esomat/200902009