A molecular dynamics study of polycrystalline fcc metals at the nanoscale: grain boundary structure and its influence on plastic deformation
A molecular dynamics study of polycrystalline fcc metals at the nanoscale: grain boundary structure and its influence on plastic deformation
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DOI：
10.1016/s0921-5093(00)01794-9
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发表时间：
2001-07-15
期刊：
影响因子：
6.4
通讯作者：
Farkas, D
中科院分区：
文献类型：
--
作者：
Van Swygenhoven, H;Caro, A;Farkas, D
纳米晶Ni和Cu的分子动力学计算机模拟表明，纳米晶金属的晶界具有传统多晶材料中大多数晶界的短距离结构。模拟还表明存在一个临界晶粒尺寸，在此尺寸以下，所有塑性变形都被容纳在晶界内，而没有观察到晶内变形。(C) 2001 Elsevier Science B.V. AU版权所有
Molecular dynamics computer simulation of nanocrystalline Ni and Cu show that grain boundaries in nanocrystalline metals have the short range structure of most grain boundaries found in conventional polycrystalline materials. The simulations also indicate the presence of a critical grain size below which all plastic deformation is accommodated in the grain boundary and no intra-grain deformation is observed. (C) 2001 Elsevier Science B.V. AU rights reserved.