一、前言白口铸铁是现有抗磨料磨损耐磨材料中应用较广的一种,它具有较高的硬度,良好的耐磨性,断裂时挠度小等可贵的性能。被用于制造轧辊,球磨机衬板和磨球,泥浆泵叶轮,抛丸机叶片等关键性零部件。然而,白口铸铁铸态组织为莱氏体,并有疏松、缩 First, the preface White cast iron is a widely used abrasion-resistant materials in the existing one, it has a high hardness, good wear resistance, flexibility and other valuable properties of the fracture. Used to manufacture critical components such as rolls, ball mill liners and balls, mud pump impellers, and shot blasting machines. However, white cast iron as-cast austenite, and loose, shrink