Effects of Magnetic Field on Fracture of Al-Li Alloy Containing Ce rium  

作　　者：刘兵 王西宁 陈铮 

机构地区：[1]Department of Materials Science and Engineering, Northwestern P olytechnical University

出　　处：《Journal of Rare Earths》2003年第1期69-72,共4页稀土学报（英文版）

基　　金：ProjectsupportedbytheNationalNatureScienceFoundationofChina ( 5 0 0 710 46 )

摘　　要：The effects of magnetic field on fracture feature and microstructure of Al-Li a lloys containing Ce were investigated. Experiment results show that the fracture features and the microstructures are changed with the magnetic field. The fract ure surface of the alloys is mainly quasi-cleavage without applying magnetic fi eld. With a magnetic field, the fracture of quasi-cleavage changes to more second ary cracks and less quasi-cleavage plates on fracture surface. Grains become thinner and uniform with applying magnetic field. The influence of magnetic f ield on atom diffusion was discussed.The effects of magnetic field on fracture feature and microstructure of Al-Li a lloys containing Ce were investigated. Experiment results show that the fracture features and the microstructures are changed with the magnetic field. The fract ure surface of the alloys is mainly quasi-cleavage without applying magnetic fi eld. With a magnetic field, the fracture of quasi-cleavage changes to more second ary cracks and less quasi-cleavage plates on fracture surface. Grains become thinner and uniform with applying magnetic field. The influence of magnetic f ield on atom diffusion was discussed.

关 键 词：metal materials magnetic field fracture f eature microstructure few-body physics rare earths 

分 类 号：TG146.21[一般工业技术—材料科学与工程]