ATOMISTIC SIMULATION OF SEGREGATION IN Cu-Bi SYSTEM L SATURATED SEGREGATION
Cu-Bi合金偏析的原子模拟 Ⅰ.饱和偏析
WANG Guijin Senior engineer,
Central Iron,
Steel Reseorch Institute,
Ministry of Metatturgicol Industry,
Beijing,
V VITEK Central Iron,
Steel Research Institute,
Ministry of Metallurgical Industry,
Beijing,
University of Pennsylvania,
USA,
王桂金,
V.VITEK
Keywords: segregation,atomistic simulation,Cu-Bi alloy
偏析,原子模拟,Cu-Bi合金
Abstract:
本文研究了不同含量的Bi偏析于Cu的∑=5B(210)/〔001〕对称倾转晶界的原子结构.本文发现最重要的结构效应,是不同原子位置的偏析能的强烈不均匀性,以及在晶界区形成二维有序合金结构.并发现1.25单层是饱和偏析浓度.
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