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In order to study the attenuation of shock waves induced by a high-power pulsed laser in magnesium alloy, an AZ31B magnesium alloy sample is processed with an Nd:Glass laser with a wavelength of 1054 nm and pulse width of 23 ns, and the relative pressures of the shock waves are measured on time by a polyvinglidene fluoride (PVDF) gauge with a short rise time and a wide linear response range, combined together with an oscilloscope. The law of attenuation of laser shock wave is obtained by measuring the intensity pressures on the rear surface of the target for different thicknesses through which the shock waves pass each time. The experimental results show that the average velocity of the shock wave attenuation in magnesium alloy is 5.83×103 m/s with using a laser pulsed energy of 5 J is in good agreement with the propagation velocity of stress longitudinal wave; the law of the shock wave attenuation is exponential. The experimental result can be very useful for the laser shock processing on magnesium alloy.
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Keywords:
- laser /
- magnesium alloy /
- PVDF /
- the law of attenuation
[1] Zhang J, Zhang Z H 2004 Magnesium Alloys and the Application (Beijing: Chemical Industry Press) p1 (in Chinese) [张 津、章宗和 2004 镁合金及应用 (北京:化学工业出版社) 第1页]
[2] Tharumarajah A, Koltun P 2007 Journal of Cleaner Production 15 1007
[3] Zhang Y K, Chen J F, Xu R J 2008 Chinese Journal of Lasers 35 1068 (in Chinese) [张永康、陈菊芳、许仁军 2008 中国激光 35 1068]
[4] Clauer A H, Lahrman D F 2001 Key Engineering Materials 197 121
[5] Bian B M, Yang L, Chen X, Ni X W 2002 Acta Phys. Sin. 51 809 (in Chinese) [卞保民、杨 玲、陈 笑、倪晓武 2002 物理学报 51 809]
[6] Zhang Y, Li Y T, Zheng Z Y, Liu F, Zhong J Y, Lin X X, Liu F, Lu X, Zhang J 2007 Chin. Phys. 16 3728
[7] Zhao R, Liang Z C, Han B, Zhang H C, Xu R Q, Lu J, Ni X W 2009 Chin. Phys. B 18 1877
[8] Bian B M, Chen X, Xia M, Yang L, Shen Z H 2004 Acta Phys. Sin. 53 508 (in Chinese) [卞保民、陈 笑、夏 铭、杨 玲、沈中华 2004 物理学报 53 508]
[9] He M Q, Dong Q L, Sheng Z M, Weng S M, Chen M, Wu H C, Zhang J 2009 Acta Phys. Sin. 58 363 (in Chinese) [何民卿、董全力、盛政明、翁苏明、陈 民、武慧春、张 杰 2009 物理学报 58 363]
[10] Qiu X M, Tang D L, Sun A P, Liu W D, Zeng X J 2007 Chin. Phys. 16 186
[11] Liu L, Wang S B, Wu H X, Guo D H, Liao P Y 2007 Laser Technology 31 134 (in Chinese) [刘 丽、王声波、吴鸿兴、郭大浩、廖培育 2007 激光技术 31 134]
[12] Liao P Y, Wang S B, Sheng J J, Liu L, Xia X P 2007 Appl. Laser 27 110 (in Chinese) [廖培育、王声波、盛晶晶、刘 丽、夏小平 2007 应用激光 27 110]
[13] Deng Q L, Wang Y, Hu D J, Zhang Y K, Yu C Y 2004 Key Engineering Materials 274-276 889
[14] Morales M, Porro J A, Blasco M, Molpeceres C, Ocana J L 2009 Applied Surface Science 255 5181
[15] Gu Y Y, Zhang Y K, Zhang X Q, Shi J G 2006 Acta Phys. Sin. 55 5885 (in Chinese) [顾永玉、张永康、张兴权、史建国 2006 物理学报 55 5885]
[16] Ma D Y, Shen H 2004 Acoustic Handbook(Beijing: Science Press) p173 (in Chinese) [马大猷、沈 壕 2004 声学手册(北京:科学出版社) 第173页]
[17] Thord T, Franz J K, Aravinda K 2003 Optics and lasers in engineering 39 51
[18] Fabbro R, Fournier J, Ballard P, Devaux D, Virmont J 1990 J. Appl. Phys. 68 775
[19] Peyre P, Berthe L, Fabbro R, Sollier A 2000 J. Phys. D 33 498
[20] Romain J P, Bauer F, Zagouri D, Boustie M 1994 High-pressure Science and Technology -1993 (New York: American Institute of Physics) p1915
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[1] Zhang J, Zhang Z H 2004 Magnesium Alloys and the Application (Beijing: Chemical Industry Press) p1 (in Chinese) [张 津、章宗和 2004 镁合金及应用 (北京:化学工业出版社) 第1页]
[2] Tharumarajah A, Koltun P 2007 Journal of Cleaner Production 15 1007
[3] Zhang Y K, Chen J F, Xu R J 2008 Chinese Journal of Lasers 35 1068 (in Chinese) [张永康、陈菊芳、许仁军 2008 中国激光 35 1068]
[4] Clauer A H, Lahrman D F 2001 Key Engineering Materials 197 121
[5] Bian B M, Yang L, Chen X, Ni X W 2002 Acta Phys. Sin. 51 809 (in Chinese) [卞保民、杨 玲、陈 笑、倪晓武 2002 物理学报 51 809]
[6] Zhang Y, Li Y T, Zheng Z Y, Liu F, Zhong J Y, Lin X X, Liu F, Lu X, Zhang J 2007 Chin. Phys. 16 3728
[7] Zhao R, Liang Z C, Han B, Zhang H C, Xu R Q, Lu J, Ni X W 2009 Chin. Phys. B 18 1877
[8] Bian B M, Chen X, Xia M, Yang L, Shen Z H 2004 Acta Phys. Sin. 53 508 (in Chinese) [卞保民、陈 笑、夏 铭、杨 玲、沈中华 2004 物理学报 53 508]
[9] He M Q, Dong Q L, Sheng Z M, Weng S M, Chen M, Wu H C, Zhang J 2009 Acta Phys. Sin. 58 363 (in Chinese) [何民卿、董全力、盛政明、翁苏明、陈 民、武慧春、张 杰 2009 物理学报 58 363]
[10] Qiu X M, Tang D L, Sun A P, Liu W D, Zeng X J 2007 Chin. Phys. 16 186
[11] Liu L, Wang S B, Wu H X, Guo D H, Liao P Y 2007 Laser Technology 31 134 (in Chinese) [刘 丽、王声波、吴鸿兴、郭大浩、廖培育 2007 激光技术 31 134]
[12] Liao P Y, Wang S B, Sheng J J, Liu L, Xia X P 2007 Appl. Laser 27 110 (in Chinese) [廖培育、王声波、盛晶晶、刘 丽、夏小平 2007 应用激光 27 110]
[13] Deng Q L, Wang Y, Hu D J, Zhang Y K, Yu C Y 2004 Key Engineering Materials 274-276 889
[14] Morales M, Porro J A, Blasco M, Molpeceres C, Ocana J L 2009 Applied Surface Science 255 5181
[15] Gu Y Y, Zhang Y K, Zhang X Q, Shi J G 2006 Acta Phys. Sin. 55 5885 (in Chinese) [顾永玉、张永康、张兴权、史建国 2006 物理学报 55 5885]
[16] Ma D Y, Shen H 2004 Acoustic Handbook(Beijing: Science Press) p173 (in Chinese) [马大猷、沈 壕 2004 声学手册(北京:科学出版社) 第173页]
[17] Thord T, Franz J K, Aravinda K 2003 Optics and lasers in engineering 39 51
[18] Fabbro R, Fournier J, Ballard P, Devaux D, Virmont J 1990 J. Appl. Phys. 68 775
[19] Peyre P, Berthe L, Fabbro R, Sollier A 2000 J. Phys. D 33 498
[20] Romain J P, Bauer F, Zagouri D, Boustie M 1994 High-pressure Science and Technology -1993 (New York: American Institute of Physics) p1915
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