VALIDATION OF A PERCOLATION MODEL FOR PASSIVATION OF FE-CR ALLOYS - 2-DIMENSIONAL COMPUTER-SIMULATIONS

被引:66
作者
QIAN, S [1 ]
NEWMAN, RC [1 ]
COTTIS, RA [1 ]
SIERADZKI, K [1 ]
机构
[1] JOHNS HOPKINS UNIV,DEPT MAT SCI & ENGN,BALTIMORE,MD 21218
关键词
D O I
10.1149/1.2086458
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
Two-dimensional computer simulations have been used to demonstrate the main atomistic features of a percolation model for alloy passivity. The simulations reproduce all the qualitative features of passivation in Fe-Cr alloys, including a critical alloy composition and a passivation potential which decreases with increasing Cr content. New features which would appear in three dimensions are discussed. © 1990, The Electrochemical Society, Inc. All rights reserved.
引用
收藏
页码:435 / 439
页数:5
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