Layered Machinable and Electrically Conductive Ti_2AlC and Ti_3AlC_2 Ceramics:a Review  

作　　者：X.H. Wang Y.C. Zhou 

机构地区：[1]Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang110016, China

出　　处：《Journal of Materials Science & Technology》2010年第5期385-416,共32页材料科学技术（英文版）

基　　金：funded by the National Natural Science Foundation of China (NSFC) under Grant Nos. 50802097,50832008;the IMR Innovative Research Foundation

摘　　要：Ti2AlC and Ti3AlC2 are the most light-weight and oxidation resistant layered ternary carbides belonging to the MAX phases.This review highlights recent achievements on the processing,microstructure,physical,mechanical and chemical properties of these two machinable and electrically conductive carbides.Ti2AlC and Ti3AlC2 display superior properties such as fracture toughness,electrical and thermal conductivities,and oxidation resistance over their binary counterpart.This paper provides a comprehensive overview of the processing-microstructure-property correlations of these two carbides.Potential fields of applications for Ti2AlC and Ti3AlC2 are surveyed.In addition,we point out methods for further improving their properties in some specific applications through appropriate structural design and modification.

关 键 词：MAX phases TI2ALC TI3ALC2 Machinable ceramics 

分 类 号：TQ174.758[化学工程—陶瓷工业] TM286[化学工程—硅酸盐工业]