Surface modification of Ni-Ti alloy by low-temperature nitriding process J. Lelatko, T. Goryczka, T. Wierzchoń, M. Ossowski, B. Łosiewicz, E. Rówiński and H. MorawiecEuropean Symposium on Martensitic Transformations, (2009) 05020DOI: https://doi.org/10.1051/esomat/200905020