Effect of Liquid Phase on theDensification of Tungsten-Copper and Molybdenum-Copper Pseudoalloys inSintering

Abstract

The paper examines how the amount of the liquid phase influences the densification of loose W-Cu and Мо-Cu powder mixtures in liquid-phase sintering at 1200 °C, with the content of the low-melting component ranging from 20 to 90 wt.%. It is observed that the density grows continuously with increasing amount of the liquid phase in both W-Cu and Mo-Cu systems. It is shown that samples sintered with a great amount of the liquid phase in the W-Cu and Mo-Си systems retain their shape.