Fracture Toughness of Vacuum Sintered AISI M3:2 High Speed Steels
Moisés Euclides da Silva Junior,
Wanderson Santana da Silva,
Mauricio David Martins das Neves
et al.
Abstract:The aim of this investigation was to study and evaluate the fracture toughness (K ICV ) of an AISI M3:2 high speed steel that was prepared by powder metallurgical processing, which consisted of uniaxial cold compaction of irregularly shaped water atomized powders, without and with 0.3% of carbon in the form of graphite, followed by vacuum sintering to obtain compacts with densities close to its theoretical value. The sintered steels were then hardened by austenitizing, quenching and triple tempering. Chevron f… Show more
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