Formation of nonequilibrium phases and associated structural transitions in the Rh-Ta system induced by ion beam mixing

被引：6
|
作者：
Wang, W. C. [1 ]
Li, J. H. [1 ]
Dai, Y. [1 ]
Liu, B. X. [1 ]
机构：
[1] Tsinghua Univ, Adv Mat Lab, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
来源：
SCRIPTA MATERIALIA | 2008年 / 59卷 / 01期
基金：
中国国家自然科学基金;
关键词：
metallic glasses; thermodynamics; multilayer thin films; ion implantation;
D O I：
10.1016/j.scriptamat.2008.01.060
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Multilayered films of Rh1-xTax (x = 25, 40, 50, 60) were prepared and irradiated by 200 keV Xe+. A Gibbs free energy diagram of the Rh-Ta system was derived that predicted the glass-forming range to be within 43-65 at.% of Ta. This agreed well with the experimental results. An interest phase transformation mechanism of Rh + Ta --> fccI + fccII --> fcc was observed and discussed. (C) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：3 / 6
页数：4
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