CuW composite

in situ slagging densification

Using AlCa and AlMg alloys as reductants, alumina inclusions are converted in situ into low-melting-point calcium aluminate slag phases, strengthening metal-slag separation and yielding a more uniform CuW composite.

Cheng, Chu · Xin-Yu, Wang · Tingan, Zhang · Dou, Zhihe · Song, Kexing · Meng-Xin, Wang · Yan-Shuo, Feng · Huang, Tao · Liu, Haitao · Xiaoheng, Li · Kai, Li

Rare Metals 2024

Advantages

Tungsten particle refinement effect is more significant with AlMg as reductant

Slag is mainly composed of CaWO₄, MgAl₂O₄ and Ca₄Al₆O₁₂WO₄