Effect of Heat Treatments on the Thermomechanical Behaviour of Ni-Ti Superelastic Mini Coil SpringsEstephanie Nobre Dantas Grassi, Henrique Martinni Ramos de Oliveira, Carlos José de Araujo and Walman Benício de CastroMATEC Web of Conferences, 33 (2015) 03004DOI: https://doi.org/10.1051/matecconf/20153303004