高性能Mg-PSZ陶瓷材料的研究与应用进展  

Process of High Performance Mg-PSZ Ceramics

作　　者：郎杰夫 谢志鹏[2] 罗旭东 游杰刚[1] LANG Jiefu;XIE Zhipeng;LUO Xudong;YOU Jiegang(School of Materials and Metallurgy,University of Science and Technology Liaoning,Anshan 114051,Liaoning,China;School of Materials Science and Engineering,Tsinghua University,Beijing 100084,China)

机构地区：[1]辽宁科技大学材料与冶金学院,辽宁鞍山114051 [2]清华大学材料学院,北京100084

出　　处：《陶瓷学报》2020年第3期287-296,共10页Journal of Ceramics

基　　金：国家自然科学基金(51672147);辽宁省教育厅重点基金(2017LNZD06)。

摘　　要：氧化镁部分稳定氧化锆陶瓷(Mg-PSZ)具有优异的高温力学性能和抗老化性能,广泛应用于能源环保、冶金化工、机械电子、发动机及燃气轮机、石油开采等工业领域,也是氧化钇稳定四方多晶氧化锆(Y-TZP)及其他氧化锆陶瓷不可替代的重要结构陶瓷材料。从相图分析、ZrO2晶型转变到制备工艺对Mg-PSZ展开论述,重点阐述了Mg-PSZ的烧结过程及微观结构特征,同时对国际上知名的先进陶瓷企业的Mg-PSZ产品性能及应用进行综述,并介绍了国内Mg-PSZ应用发展状况。Magnesium oxide partially stabilized zirconia(Mg-PSZ)ceramics are structural materials with excellent high temperature mechanical properties and aging resistance.They have been widely used in energy and environmental protection,metallurgy and chemical industry,mechanical electronics,engine and gas turbine,oil exploration and so on,thus being irreplaceable by Y-TZP and other zirconia-based ceramics.This paper is aimed to summarize the progress in MgO-ZrO2 ceramics,including phase diagram,ZrO2 crystal transformation and preparation process of the ceramic powders.Moreover,sintering process and microstructure of the Mg-PSZ ceramics will be focused.At the same time,the performance and application of Mg-PSZ products of the international influential advanced ceramic enterprises,as well as China companies,will be described.

关 键 词：Mg-PSZ 烧结工艺 微观结构 力学性能 

分 类 号：TQ174.75[化学工程—陶瓷工业]