Phase fractions of B2, B19', R-phase and Ni Ti in NiTi alloys during two-step phase transformations H. Sitepu, W.W. Schmahl, T. Reinecke, J. Khalil Allafi et G. EggelerJ. Phys. IV France, 112 (2003) 677-680DOI: https://doi.org/10.1051/jp4:2003973