Microscopic Phase-Field Study of the Occupancy Probability of α Sublattices Involving Coordination Environmental Difference for D0_(22)-Ni_(3)V

作     者：ZHANG Jing CHEN Zheng ZHUANG Hou-Chuan LU Yan-Li 张静;陈铮;庄厚川;卢艳丽

作者机构：State Key Laboratory of Solidification ProcessingSchool of Material Science and EngineeringNorthwestern Polytechnical UniversityXi’an 710072 

出 版 物：《Chinese Physics Letters》 (中国物理快报（英文版）)

年 卷 期：2012年第29卷第2期

页      面：155-158页

核心收录：

学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：Supported by the Basic Research Foundation of NWPU under Grant No GC201109 the National Natural Science Foun-dation of China under Grant Nos 51075335 and 10902086 the Natural Science Foundation of Shaanxi Province under Grant Nos SJ08-ZT05 and SJ08-B14 

主　　题：coordination phase Probability 

摘      要：The nickel sites of a D022-Ni3 V phase are subdivided into Ni1 and Ni2 sublattices according to their coordination sphere *** occupancy probability (OP) differences influenced by the coordination sphere are interpreted using the microscopic phase field *** OP of regular atoms (NiNi_(1),NiNi_(2)),antisite defects (VNi1,VNi2),and substitutional defects (AlNi_(2),AlNi_(1) ) have strong site preferences,as well as temperature-dependence features,on both *** features involve both redistribution of components,and phase transition from D0_(22) to L1_(2).