APT中掺杂Na、Li元素对粗晶碳化钨及合金性能的影响

Effect on the Coarse-grain WC Powder and the Properties of Cemented Carbide with Doping Element of Na,Li in APT

本文研究了在APT中掺杂不同量的Na、Li元素对黄钨、钨粉、碳化钨、合金性能的影响。研究发现:掺杂Na元素不但可以提高钨粉的粒度而且可以提高其均匀性,掺杂Li元素的APT能明显提高黄钨与钨粉的颗粒度,但残留在钨粉中的Li元素对碳化钨、合金的性能有负面影响。

This paper researches the effect on yellow tungsten powder, tungsten powder, tungsten carbide powder and cemented carbide with varying content of element of Na, Li doping in APT. It indicates that the element Na doping in APT not only can improve particle size of tungsten powder but also can improve it homogeneity, The element Li doping in APT can obviously increase particle size of yellow tungsten powder and tungsten powder. But The element Li left in tungsten powder can make negative effect on the properties of cemented carbide