用多孔粉末压片制备WC颗粒增强高锰钢基表面复合材料的组织观察  

The microstructural observation of the high manganese cast steel base surface composites reinforced by WC particles made by porous powder templates

作　　者：刘科虹[1] 郭长庆[1] 

机构地区：[1]内蒙古科技大学材料与冶金学院,内蒙古包头014010

出　　处：《内蒙古科技大学学报》2011年第4期318-321,共4页Journal of Inner Mongolia University of Science and Technology

摘　　要：介绍了采用多孔粉末压片制备的WC颗粒增强高锰钢基表面复合材料的显微组织特点.结果表明:采用多孔粉末压片可以制备出基本没有组织缺陷的高锰钢基表面复合材料,复合层厚度可达10 mm;显微组织由表面复合层和基体两部分组成,外加WC颗粒在复合层中全部熔解,复合层中分布着析出的不规则的WC,W2C颗粒和杆状碳化物;基体由块状奥氏体组成.The microstructural characteristics of the high manganese cast steel substrate surface composites reinforced by WC particles using porous powder templates were described.It was founded that the high manganese cast steel substrate surface composites without obvious defects can be made by porous power templates,and the thickness of the composite layer can reach 10 mm.The microstructure consists of surface composite layer and substrate,with the added WC particles melted completely in the composite layer.The irregular WC/W2C particles and carbide were precipitated and distributed in the composite matrix.The substrate is comprised of block austenite.

关 键 词：V-EPC 显微组织 多孔 表面复合材料 

分 类 号：TB331[一般工业技术—材料科学与工程]