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

 
V.Petrishchev,
 
V.Skorokhod
 

I. M. Frantsevich Institute for Problems of Materials Science of the NAS of Ukraine, Krzhizhanovsky str., 3, Kyiv, 03142, Ukraine
Powder Metallurgy - Kiev: Frantsevich Institute for Problems of Materials Science NASU, 2008, #03/04
http://www.materials.kiev.ua/article/703

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.


COPPER, DENSIFICATION, LIQUID-PHASE SINTERING, MOLYBDENUM, TUNGSTEN