Effect of La_2O_3 on microstructure and high-temperature wear property of hot-press sintering FeAl intermetallic compound  

作　　者：马兴伟 金洙吉 闫石 徐久军 

机构地区：[1]Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education,Dalian University of Technology [2]Electromechanics and Material Engineering College,Dalian Maritime University

出　　处：《Journal of Rare Earths》2009年第6期1031-1036,共6页稀土学报（英文版）

基　　金：supported by the National Natural Science Foundation of China (50575034)

摘　　要：FeAl intermetallic compound with different contents of rare earth oxide La2O3 addition was prepared by hot pressing the mechanically alloyed powders.Effect of La2O3 on microstructure and high-temperature wear property of the sintered FeAl samples was investigated in this paper.The results showed that 1 wt.% La2O3 addition could refine the microstructure and increase the density of the FeAl intermetallic compound,and correspondingly improved the high-temperature wear resistance.SEM and EDS analyses of the wo...FeAl intermetallic compound with different contents of rare earth oxide La2O3 addition was prepared by hot pressing the mechanically alloyed powders.Effect of La2O3 on microstructure and high-temperature wear property of the sintered FeAl samples was investigated in this paper.The results showed that 1 wt.% La2O3 addition could refine the microstructure and increase the density of the FeAl intermetallic compound,and correspondingly improved the high-temperature wear resistance.SEM and EDS analyses of the wo...

关 键 词：FEAL LA2O3 hot-press sintering high-temperature wear resistance local melting combined with oxidation rare earths 

分 类 号：TF124.5[冶金工程—粉末冶金]