表面效应对纳米铜杆拉伸性能影响的原子模拟
, PP. 833-836
Keywords: 纳米杆,拉伸性能,分子动力学,表面效应
Abstract:
采用EAM势对纳米铜杆的拉伸力学性能进行零温分子动力学模拟,研究了表面效应对原子能量、截面应力分布的影响.模拟结果表明,表面原子弛豫降低了纳米杆初始阶段的拉伸弹性模量,表面效应明显影响截面应力的发展与分布.
| [1] | Basant Zdenek. Er-Ping Chen. Adv Mech, 1999; 29: 383
|
| [2] | Brenner S S. J Appl Phys, 1956; 27: 1484
|
| [3] | Schiotz, Francesco D.Di. Karsten W. Jacobsen. Nature,1998, 391: 561
|
| [4] | Craihead H G. Scienee. 2000. 290: 1532
|
| [5] | Hafner J. Acta Miter, 2000; 48: 71
|
| [6] | Allen M P. Tildesley D J. Computer Simulation of Liq-uids. Oxford: Clarendon Press, 1987: 284
|
| [7] | Masao Doyama, Kogure Y. Comput Mater Sci, 1999; 14.80
|
| [8] | Parrinello M, Rahman A. J Appl Phys, 1981; 52: 7182
|
| [9] | Cammarata R C. Prog Surf Sci, 1994; 46(1): 1D
|
Full-Text
