Exploring the influence of anisotropy and microstructure of the sintered Nd-Fe-B magnet using nanoindentation and scratching tests - Costa, Erick Cardoso; Lima, Arnaldo Oliveira; Santos, Marcionila Neli Lima dos; Souza, Roberto Martins de; Wendhausen, Paulo Antonio Pereira; Xavier, Fabio Antonio (Materials today communications, 2024)