Features of the Sintering of Fe–Cu–Sn–Ni and Cu–Ti–Sn–Ni Powders during Hot Pressing

Powder Metallurgy and Metal Ceramics - The efficiency and durability of a diamond tool fabricated using powder metallurgy methods depend on several factors. These are the quality of diamond...     

On the effect of surface properties of a metal melt on the diamond formation process in the Me-C system

The results of studying the contact interaction of the Ni-Mn melt with pyrographite depending on the Cu and Cr contents of the melt have been discussed. Physicochemical parameters like the surface tension of the Ni-Mn-Cu and Ni-Mn-Cr liquid melts and wetting angles on graphite for these melts have been determined. A surface energy at the metal-graphite and the supposed interfacial energy at the diamond-metal melt phase boundaries have been calculated. The effect of these values on the diamond formation process in the Ni-Mn-Cu-C and Ni-Mn-Cr-C systems under high p, T parameters has been established.