Tungsten Copper Sintering Phase

 Tungsten Copper  sintering  phase is made of high temperature liquid phase sintering tungsten powder and copper and mixing, pressing, sintering and prepared liquid process for copper tungsten composites. Traditional methond is usually higher than the melting point of the copper at the temperature above 300 ℃ what is the temperature of densified liquid sintering phase.The production process of sintering is simple, and there is a higher sintering temperature. The sintering time is long, and

the sintered density is low (only for the theoretical density of 90 to 95).Other shortcomings, can not meet the requirements. Therefore, in order to improve the density of the material after the liquid-phase sintering treatment step to be associated with increased pressure such as multiplexing, hot pressing, hot forging, etc., but it increases the complexity of the process, the application is limited. AK Bhallal8 et al prepared using explosive compaction of tungsten copper material, has good high temperature liquid phase sintering effect. In addition, the high temperature liquid phase sintering process of discovery, tungsten, copper powder particle size also affects the sintered tungsten-copper composite material density, the finer the powder, the higher the density obtained by sintering.

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