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Research on the Manufacture of Some Tungsten-Copper Composite after Vacuum Sintering

机译:真空烧结后钨铜复合材料的制备研究

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The paper presents the results of the experimental research carried out in order to obtain pseudoalloys WNiCu used in electrical industry, for the electrical apparatus of high tension and great power. As a result it was compulsory to study the parameters that influence the densification process and the sintered properties, depending on the grain-size distribution of tungsten powder, compaction pressure and sintering temperature in vacuum. Therefore, it has been studied the influence of these parameters on the density, hardness and microstructures changes for the composites with 78%W-2%Ni-20%Cu, (% wt). The better results were obtained for the value of 1350 ℃ for the copper infiltration temperature.
机译:本文介绍了为了获得用于电力工业的伪合金WNiCu而进行的实验研究的结果,该伪合金WNiCu用于高压和大功率的电气设备。因此,必须根据钨粉的粒度分布,压实压力和真空烧结温度来研究影响致密化过程和烧结性能的参数。因此,已经研究了这些参数对具有78%W-2%Ni-20%Cu(%wt)的复合材料的密度,硬度和微观结构变化的影响。铜的渗透温度为1350℃时,可获得较好的结果。

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