Densification and properties of ODS-iron based alloy  

作　　者：Guo, Zhimeng  Liu, Qing  Yang, Weiwei  Guo, Leichen 

机构地区：[1]Institute of Advanced Materials and Technology,University of Science and Technology Beijing,Beijing 100083,China [2]College of Animal Science & Technology,China Agricultural University,Beijing 100193,China

出　　处：《Rare Metals》2012年第4期339-342,共4页稀有金属（英文版）

基　　金：supported by the Major State Basic Research Development Program of China (973 Program) (No. 2008cb7178020);the State Key Laboratory for Advanced Metals and Materials of the University of Science and Technology Beijing

摘　　要：Y_2O_3 dispersion strengthened iron-based powders and oxide dispersion strengthened(ODS) alloys were prepared by hydrothermal synthesis and spark plasma sintering(SPS),respectively.The effects of Y_2O_3,vibratory milling treatment,and Ti element on the microstructure and mechanical properties of the materials were investigated by scanning electron microscope(SEM) and micro-electronic universal tester.The results show that the best mechanical properties are obtained with 1 wt.% Y_2O_3 addition.The size of agglomerated particles can be decreased to a certain degree by vibratory milling treatment.With the addition of Ti element,the tensile strength and hardness of the samples were improved.

关 键 词：oxide dispersion strengthened(ODS) hydrothermal synthesis spark plasma sintering(SPS) mechanical properties 

分 类 号：TG131[一般工业技术—材料科学与工程]