作　　者： ; ; ; ; ; ;

机构地区： 上海交通大学材料科学与工程学院

出　　处： 《材料导报（纳米与新材料专辑）》 2010年第2期221-224,共4页

摘　　要： 高作业率、高浇注速度的连铸技术要求结晶器具有高强度、高耐磨性和耐腐蚀性,热喷涂技术可达到改善其表面性能的目的。通过阐述超音速火焰喷涂涂层材料在铜基体上的应用现状及对比分析各种封孔剂降低涂层孔隙率的效果后发现,采用超音速火焰喷涂金属陶瓷涂层,并且选用合适的封孔剂进行封孔处理,可以有效地提高结晶器的耐磨性和耐腐蚀性,并显著提高结晶器的寿命。 Due to the high operation system and pouring speed of continuous casting technology, high strength, abrasion performance and corrosion resistance are required for casting mold, and thermal spray can meet the need of improving surface performance. Application status of coating materials of high velocity oxy-fuel on copper matrix are stated, and the effect of reducing porosity of coating by several sealants are analysed. The results show that abrasion and corrosion resistance can be improved effectively by combining cermet coating sprayed by high velocity oxy-fuel with suitable sealant, and the lifetime of casting mold can be prolonged obviously.

关 键 词： 超音速火焰喷涂 结晶器 金属陶瓷 封孔剂

领　　域： [金属学及工艺] [金属学及工艺]