Molecular Dynamics Simulation of Plastic Deformation of Polycrystalline Cu under Mechanical Effect with Ultrahigh Strain Rate

Wang Zhilong; Luo Kaiyu; Liu Yue; Lu Jinzhong

doi:10.3788/cjl201542.0703005

[1] X C Li, Y K Zhang, Y L Lu, et al.. Research of corrosion resistance for AZ31Magnesium alloy by laser shock processing[J]. Chinese J Lasers, 2014, 37(4): 0403002.

[2] Y Chai, J Ren, W F He, et al.. Effect of laser shock processing on the fatigue property of K4030 alloy blade[J]. Laser & Optoelectronics Progress, 2014, 51(1): 011405.

[3] M Luo, K Y Luo, Q W Wang, et al.. Numerical simulation of laser shock peening on residual stress field of 7075-T6 aluminum alloy welding[J]. Acta Optica Sinica, 2014, 34(4): 0414003.

[4] J Z Lu, K Y Luo, A X Feng, et al.. Micro-structure enhancement mechanism of LY2 aluminum alloy by means of a single laser shock processing[J]. Chinese J Lasers, 2010, 37(10): 2662-2666.

[5] J Z Lu, K Y Luo, Y K Zhang, et al.. Grain refinement of LY2 aluminum alloy induced by ultra-high plastic strain during multiple laser shock processing impacts[J]. Acta Materialia, 2010, 58(11): 3984-3994.

[6] B J Alder, T E Wainwright. Studies in molecular dynamics.Ⅰ. general method[J]. The Journal of Chemical Physics, 1959, 31(2): 459-466.

[7] Zhang Junjie. Molecular Dynamics Study of Generation Mechanism of Surface Layer in Nanomechanical Machining of Crystalline Copper[D]. Harbin: Harbin Institute of Technology, 2011.

[8] Wang Guimin. Molecular Dynamics Simulation of the Mechanical Behavior of Nanotwinned Copper[D]. Hangzhou: Zhejiang University, 2011.

[9] T Kadoyoshi, H Kaburaki, F Shimizu, et al.. Molecular dynamics study on the formation of stacking fault tetrahedra and unfaulting of Frank loops in fcc metals[J]. Acta Materialia, 2007, 55(9): 3073-3080.

[10] J Schiotz, T Vegge, F D DiTolla, et al.. Atomic- scale simulations of the mechanical deformation of nanocrystalline metals[J]. Physical Review B, 1999, 60(17): 11971-11983.

[11] S Plimpton. Fast parallel algorithms for short-range molecular dynamics[J]. Journal of Computational Physics, 1995, 117: 1-19.

[12] J Cai, Y Y Ye. Simple analytical embedded-atom-potential model including a long-range force for fcc metals and their alloys.[J]. Physical Review B Condensed Matter, 1996, 54(12): 8398-8410.

[13] W Ma, W J Zhu, Y L Zhang, et al.. Construction of metallic nanocrystalline samples by molecular dynamics simulation[J]. Acta Physica Sinica, 2010, 59(7): 4781-4787.

[14] A P Gerlich, L Yue, P F Mendez, et al.. Plastic deformation of polycrystalline aluminum at high temperatures and strain rate[J]. Acta Materialia, 2010, 58(6): 2176-2185.

[15] G J Ackland, A P Jones. Applications of local crystal structure measures in experiment and simulation[J]. Physical Review B, 2006, 73(5): 054104.

[16] W Humphrey, A Dalke, K Schulten. VMD: visual molecular dynamics[J]. Journal of Molecular Graphics, 1996, 14(1): 33-38.

[17] H F Lou, M P Wang, N Tang, et al.. Microstructures of twin- roll cast AZ31B Mg alloy and its deformation mechanism[J]. The Chinese Journal of Nonferrous Metals, 2008, 18(9): 1584-1589.

[18] J P Hirth, J Lothe. Theory of Dislocations[M]. New York: Wiley & Sons, 1982.

[19] M D Sangid, T Ezaz, H Sehitoglu, et al.. Energy of slip transmission and nucleation at grain boundaries[J]. Acta Materialia, 2011, 59(1): 283-296.