钨、钼、钒氧化物直接合金化生产M2高速钢  

Direct Alloying of High Speed Steel M2 with CaWO_4 MoO_3 V_2O_5

作　　者：蒋汉祥[1] 余成龙[1] 孙善长[1] 甄涛[1] 

机构地区：[1]重庆大学材料科学与工程学院,重庆400044

出　　处：《重庆大学学报（自然科学版）》2002年第5期76-79,共4页Journal of Chongqing University

摘　　要：论述了采用白钨矿、氧化钼和五氧化二钒代替钨铁、钼铁和钒铁冶炼W6Mo5Cr4V2 (M2 )高速工具钢的理论依据和可行性 ,介绍了冶炼工艺技术条件 ,产品性能测试和效益分析等方面的内容。实验表明 ,在中频感应炉上采用白钨矿、氧化钼和五氧化二钒直接还原合金化生产M2高速钢的新工艺顺行 ,产品化学成分合格。合金元素回收率高 ,其中 ηw97.0 8%、ηMo96 .5 1%、ηv93.79%。M2钢质量优良 ,HRC高达 6 2 .2 ,冲击韧性αk>4 9kJ cm2 ,夹杂评为 0 .5级 ,显微组织均匀、致密。而且具有显著的经济效益和社会效益 ,新工艺可以在生产中推广应用。The principle and possibility of alloying of high speed steel W6Mo5Cr4V2 (M2) with CaWO 4 MoO 3 V 2O 5 during the steelmaking are discussed, experiments of the alloying technologcial process have been carried out, the properties of M2 product have been determined, the benefit have been analysed. The results show that the rate of recovery of W Mo V are respectively 97.08%, 96.51%, 93.79% during the steelmaking of M2 alloying with CaWO 4 MoO 3 V 2O 5 in induction furnace, the chemical composition and properties of product M2 can meet the demands that the standard of high speed steel M2 requires.

关 键 词：金属氧化物 直接合金化 M2高速钢 回收率 性能 

分 类 号：TF763[冶金工程—钢铁冶金]