The melted tungsten carbide would react with the steel matrix on the interface and the reaction zone was observed as a result . the reacting production was examined as fe3w3c by means of x - ray diffraction and scanning electron microscopy analysis . the reaction between tungsten particle and steel matrix could improve the interfacial bonding strength remarkably Wc钢复合材料的制备过程中, wc颗粒在高温下发生了局部溶解并在wc颗粒和钢基体界面处发生了界面反应; x射线衍射和电子衍射花样分析表明,反应产物为高稳定性的fe _ 3w _ 3c ,界面反应有效地改善了wc颗粒与钢基体的界面结合。