MAX相材料的研究进展

Process of MAX Phase Materials

简单介绍了通式为"Mn+1AXn"的三元层状材料.综合表述了这一类陶瓷材料晶体的结构和分类、制备的技术方法以及它的主要性能等内容,同时还展望了该材料的应用前景等.这一类陶瓷材料的晶体结构是层状的六方晶体结构,空间群的类型为P63/mmc;该材料在制备过程中主要采用的方法有真空无压烧结法、热等静压法以及自蔓延高温合成法等.同时,Mn+1AXn相材料集金属与陶瓷的优良特点于一身,在我们的现代生活中无处不在,并且起着至关重要的作用.

This article described a simple formula of ＂M_（n＋1）AX_n＂ternary layered materials. The crystals structure,classification,preparation technology and main properties of the ceramic materials were comprehensive represented,and also the application prospects of the material was described. The crystal structure of the material was layered hexagonal crystal structure,and the type of space group was P63/mmc;The preparation processes of the material were mainly vacuum pressureless sintering,hot isostatic pressing and self-propagating high temperature synthesis. Meanwhile,M_（n＋1）AX_n phase material and the characteristics of the fine metal and ceramic in one,in our modern lives everywhere and it plays a vital role.