As. Drachinskii et al., VARIATION OF THE PHASE-COMPOSITION AND STRENGTH CHARACTERISTICS OF A TUNGSTEN-FREE HARD ALLOY IN THE EARLY-STAGE OF OXIDATION, Powder metallurgy and metal ceramics, 36(11-12), 1997, pp. 629-632
The mechanical properties of a tungsten-free cemented carbide subjecte
d to thermal oxidation in air have been found to be fairly dependent o
n the isothermal holding time. The strength parameters of the material
are affected by the oxidation of the materials and the higher Ni cont
ent in the metal-binder. That increase is due to the decomposition of
the Ni3Mo intermetallic phase during heat treatment of the cemented ca
rbide in air.