电冶熔铸工艺制备的DGJW30复合材料的组织研究  

Microstructure of DGJW30 Composite Prepared by Electro-slag Melting and Casting

作　　者：李萍[1] 刘爱军[1] 刘宁[1] 尤显卿[1] 

机构地区：[1]合肥工业大学材料学院,安徽合肥230009

出　　处：《热处理》2013年第5期33-35,共3页Heat Treatment

摘　　要：采用电冶熔铸方法制备了DGJW30复合材料,研究了其铸态组织。结果表明,该复合材料的组织为珠光体、共晶莱氏体和未溶碳化钨,具体相为Fe3W3C、W2C、WC、奥氏体、α-Fe和Fe3C。共晶莱氏体由Fe3W3C和残留奥氏体组成。DGJW30 composite was prepared by electro-slag melting and casting process , and the as-cast microstructure was investigated .The results show that the microstructure of DGJW 30 is composed of pearlite , eutectic ledeburite and undissolved tungsten carbide .The concrete phases are Fe 3 W3 C, W2 C, WC, austenite ,α-Fe and Fe3 C.The eutectic ledeburite is composed of Fe 3 W3 C and retained austenite .

关 键 词：电冶熔铸 DGJW30 显微组织 

分 类 号：TB331[一般工业技术—材料科学与工程]