Different Cr Contents in Nanostructured Fe-Ni-Cr Alloys Prepared by Mechanical Alloying
Fe-Ni-Cr alloy powders with the different components were prepared by Mechanical Alloying (MA).The phase structure,grain size,micro-strain and lattice distortion were determined with X-ray diffraction.The morphology and particle size of the powders were observed and analyzed using a field emission scanning electron microscopy.The results showed that the Fe-Ni-Cr nanocrystalline powders could be obtained by MA.The ball milling time could be reduced with increasing amount of Cr,resulting the formation of Fe-Ni-Cr powders.With the increasing amount of Cr,the speed of Ni diffusion to Fe lattice approaching saturation became more rapid.The particle size got smaller as the ball milling went further; the extent of micro-strain and distortion of lattice intensified; the solid solubility of Ni and Cr in Fe was increased.Finally the super-saturated solid solution of Fe was obtained.
Fe-Ni-Cr Mechanical Alloying Cr Content Phase Analysis
Qi He Tao Liu Jian Liang Xie
State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chendu 610054,China
国际会议
广州
英文
437-441
2012-11-16（万方平台首次上网日期，不代表论文的发表时间）