SIMULATION OF GROWTH OF NI-ZR INTERFACIAL AMORPHOUS REGIONS UNDER NONEQUILIBRIUM CONDITIONS

被引:33
作者
MURA, P [1 ]
DEMONTIS, P [1 ]
SUFFRITTI, GB [1 ]
ROSATO, V [1 ]
ANTISARI, MV [1 ]
机构
[1] CTR RIC ENERGET CASACCIA,SETTORE NUOVI MAT,I-00100 ROME,ITALY
来源
PHYSICAL REVIEW B | 1994年 / 50卷 / 05期
关键词
D O I
10.1103/PhysRevB.50.2850
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We have simulated the response of an interfacial amorphous region formed between nickel and zirconium lattices upon temperature increase or the application of uniaxial load by means of molecular-dynamics simulation of a model system based on an n-body potential. The behavior of the amorphous region has been investigated as a function of the load intensity and duration. The system reacts upon uniaxial load application with the growth of the amorphous interface. This has been related to the structural change occurring in the glassy region in the form of a density variation consequent to the introduction of excess free volume. These findings are qualitatively consistent with the current hypothesis invoked to explain diffusion and growth of interfacial amorphous regions formed upon load application on bulk diffusion couples.
引用
收藏
页码:2850 / 2857
页数:8
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