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In order to investigate the superfast deformation mechanism of metal, the high-current pulsed electron beam (HCPEB) technique is employed to irradiate the polycrystalline pure copper. The microstructure of the irradiated sublayer is investigated by using transmission electron microscopy. It is suggested that the stress with very high value and strain rate is introduced within the sublayer after HCPEB irradiation. The dislocation cell and the tangle dislocation formed by cross slip are the dominant defects after one-pulse HCPEB irradiation, whereas, dense dislocation walls and twins are the central microstructures after five- and ten-pulse irradiation. The diffusion and the climb of the atomic plane can cause the formation of the steps at the grain boundary and (or) the twin boundary. Based on the structure characteristics of the irradiated surface, the possible deformation mechanism induced by HCPEB irradiation is discussed.
[1] Bourne N K, Gray G T, Millett J C 2009 J. Appl. Phys. 106 091301
[2] [3] Proskurovsky D I, Rotshtein V P, Ozur G E, Markov A B, Nazarov D S 1998 J. Vac. Sci. Technol. A 16 2480
[4] Wang X T, Guan Q F, Qiu D H, Cheng X W, Li Y, Peng D J, Gu Q Q 2010 Acta Phys. Sin. 59 7252 (in Chinese) [王雪涛、 关庆丰、 邱冬华、 程秀围、 李 艳、 彭冬晋、 顾倩倩 59 7252 ]
[5] [6] Cheng D Q, Guan Q F, Zhu J, Qiu D H, Cheng X W, Wang X T 2009 Acta Phys. Sin. 58 7300 (in Chinese) [程笃庆、 关庆丰、 朱 健、 邱东华、 程秀围、 王雪涛 2009 58 7300]
[7] [8] [9] Cheng X W, Guan Q F, Fan X H, Chen B 2010 Chin. Phys. B 19 016103
[10] Guan Q F, Chen B, Zhang Q Y, Dong C, Zou G T 2008 Acta Phys. Sin. 57 392 (in Chinese) [关庆丰、 陈 波、 张庆瑜、 董 闯、 邹广田 2008 57 392]
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[14] Xue S B, Huang R, Huang D T, Wang S H, Tan F, Wang J, An X, Zhang X 2010 Chin. Phys. B 19 117307
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[18] Xu Y B, Bai Y L, Xue Q, Shen L T 1996 Acta Mater. 44 1917
[19] [20] Tao N R, Wang Z B, Tong W P 2002 Acta Mater. 50 4603
[21] [22] Ivanov Y F, Gromov V E, Konovalov S V 2009 Arab. J. Sci. Eng. 34 219
[23] [24] [25] Yun C X, Zhang W, Zhan M J, Han H N, Zhong X, Wei Z Y, Wang B B, Hou X 2010 Chin. Phys. B 19 124210
[26] [27] Meyers M A, Gregori F, Kad B K 2003 Acta Mater. 51 1211
[28] Gray G T 1992 Shock-wave and High-strain-rate Phenomena in Materials (New York: Gordon and Breach) p89
[29] [30] Huang X 1998 Scripta Mater. 38 1697
[31] [32] Dao M, Lu L, Shen Y F, Suresh S 2006 Acta Mater. 54 5421
[33] [34] [35] Christian J W, Mahajan S 1995 Prog. Mater. Sci. 39 1
[36] Venables J A 1964 Deformation Twinning (New York: Gordon and Breach) p7
[37] [38] Kibey S, Liu J B, Johnson D D, Sehitoglu H 2007 Acta Mater. 55 6843
[39] [40] [41] Shehadeh A, Bringa E M, Zbib H M, McNaney J M, Remington B A 2006 Appl. Phys. Lett. 89 171918
[42] Kalantar D H, Belak J F, Collins G W, Colvin J D, Davies H M, Eggert J H, Germann T C, Hawreliak J, Holian B L, Kadau K, Lomdahl P S, Lorenzana H E, Meyers M A, Rosolankova S, Schneider K M, Sheppard J, Stolken J S, Wark J S 2005 Phys. Rev. Lett. 95 075502
[43] [44] [45] Wang K, Tao N R, Liu G, Lu J, Lu K 2006 Acta Mater. 54 5281
[46] Kiritani M, Satoh Y, Arakawak K, Ogasawara Y, Arai S, Shimomura Y 1999 Phil. Mag. Lett. 79 797
[47] [48] Li Y S, Tao N R, Lu K 2008 Acta Mater. 56 230
[49] [50] [51] Guan Q F, Wang S Q, Cui X H, Zhang Q Y, Dong C 2007 ISIJ Int. 47 1375
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[1] Bourne N K, Gray G T, Millett J C 2009 J. Appl. Phys. 106 091301
[2] [3] Proskurovsky D I, Rotshtein V P, Ozur G E, Markov A B, Nazarov D S 1998 J. Vac. Sci. Technol. A 16 2480
[4] Wang X T, Guan Q F, Qiu D H, Cheng X W, Li Y, Peng D J, Gu Q Q 2010 Acta Phys. Sin. 59 7252 (in Chinese) [王雪涛、 关庆丰、 邱冬华、 程秀围、 李 艳、 彭冬晋、 顾倩倩 59 7252 ]
[5] [6] Cheng D Q, Guan Q F, Zhu J, Qiu D H, Cheng X W, Wang X T 2009 Acta Phys. Sin. 58 7300 (in Chinese) [程笃庆、 关庆丰、 朱 健、 邱东华、 程秀围、 王雪涛 2009 58 7300]
[7] [8] [9] Cheng X W, Guan Q F, Fan X H, Chen B 2010 Chin. Phys. B 19 016103
[10] Guan Q F, Chen B, Zhang Q Y, Dong C, Zou G T 2008 Acta Phys. Sin. 57 392 (in Chinese) [关庆丰、 陈 波、 张庆瑜、 董 闯、 邹广田 2008 57 392]
[11] [12] [13] Guan Q F, Cheng D Q, Qiu D H, Zhu J, Wang X T, Cheng X W 2009 Acta Phys. Sin. 58 4846 (in Chinese) [关庆丰、 程笃庆、 邱冬华、 朱 健、 王雪涛、 程秀围 2009 58 4846]
[14] Xue S B, Huang R, Huang D T, Wang S H, Tan F, Wang J, An X, Zhang X 2010 Chin. Phys. B 19 117307
[15] [16] [17] Zou J X, Qin Y, Dong C, Wang X G, Hao S Z, Wu A M 2004 J .Vac. Sci. Technol. A 22 545
[18] Xu Y B, Bai Y L, Xue Q, Shen L T 1996 Acta Mater. 44 1917
[19] [20] Tao N R, Wang Z B, Tong W P 2002 Acta Mater. 50 4603
[21] [22] Ivanov Y F, Gromov V E, Konovalov S V 2009 Arab. J. Sci. Eng. 34 219
[23] [24] [25] Yun C X, Zhang W, Zhan M J, Han H N, Zhong X, Wei Z Y, Wang B B, Hou X 2010 Chin. Phys. B 19 124210
[26] [27] Meyers M A, Gregori F, Kad B K 2003 Acta Mater. 51 1211
[28] Gray G T 1992 Shock-wave and High-strain-rate Phenomena in Materials (New York: Gordon and Breach) p89
[29] [30] Huang X 1998 Scripta Mater. 38 1697
[31] [32] Dao M, Lu L, Shen Y F, Suresh S 2006 Acta Mater. 54 5421
[33] [34] [35] Christian J W, Mahajan S 1995 Prog. Mater. Sci. 39 1
[36] Venables J A 1964 Deformation Twinning (New York: Gordon and Breach) p7
[37] [38] Kibey S, Liu J B, Johnson D D, Sehitoglu H 2007 Acta Mater. 55 6843
[39] [40] [41] Shehadeh A, Bringa E M, Zbib H M, McNaney J M, Remington B A 2006 Appl. Phys. Lett. 89 171918
[42] Kalantar D H, Belak J F, Collins G W, Colvin J D, Davies H M, Eggert J H, Germann T C, Hawreliak J, Holian B L, Kadau K, Lomdahl P S, Lorenzana H E, Meyers M A, Rosolankova S, Schneider K M, Sheppard J, Stolken J S, Wark J S 2005 Phys. Rev. Lett. 95 075502
[43] [44] [45] Wang K, Tao N R, Liu G, Lu J, Lu K 2006 Acta Mater. 54 5281
[46] Kiritani M, Satoh Y, Arakawak K, Ogasawara Y, Arai S, Shimomura Y 1999 Phil. Mag. Lett. 79 797
[47] [48] Li Y S, Tao N R, Lu K 2008 Acta Mater. 56 230
[49] [50] [51] Guan Q F, Wang S Q, Cui X H, Zhang Q Y, Dong C 2007 ISIJ Int. 47 1375
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