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基于聚偏二氟乙烯压电传感器, 对铜靶材中纳秒激光脉冲诱导的冲击波传播过程进行了实验研究, 给出了铜靶材内冲击压强随激光脉冲能量和靶材厚度的变化规律. 实验结果表明: 500 mJ激光脉冲能量作用到2 mm厚的铜靶材产生的冲击压强达到2.1 MPa; 激光脉冲能量从200 mJ 增加到500 mJ, 在铜靶材厚度为2和4 mm条件下, 冲击压强分别增加了162%和231%; 而当铜靶材厚度从2 mm增加到6 mm时, 在400和500 mJ激光脉冲能量作用下, 铜靶材内冲击压强分别降低了32%和49%.
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关键词:
- 激光诱导冲击波 /
- 聚偏二氟乙烯压电传感器 /
- 冲击压强
In this paper, the shock waves induced by a nanosecond pulsed laser in copper target are studied and the relative pressures of shock waves are measured by using the piezoelectric polyvinylidene fluoride piezoelectric sensors. The evolutions of the relative pressures of shock waves with laser pulse energy and target thickness are discussed. Experimental results show that the pressure of shock wave is 2.1 MPa when the nanosecond pulsed laser with an energy of 500 mJ irradiates on a 2 mm thick copper target. When the laser energy increases from 200 to 500 mJ, the pressures of shock wave can increase 162% and 231%, with the target thickness values being 2 and 4 mm respectively. But when the thickness of the copper target increases from 2 to 6 mm, the pressures of shock waves with laser pulse energies of 400 and 500 mJ are reduced by 32% and 49%, respectively.-
Keywords:
- laser induced shock wave /
- piezoelectric polyvinylidene fluoride sensor /
- pressure of shock wave
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[2] Sano Y, Mukai N, Okazaki K, Obata M 1997 Nucl. Instrum. Meth. B 121 432
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[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] Ocana J L, Molpeceres C, Morales M, Garcia-Beltran A 2000 Proc. SPIE 3885 252
[9] Morales M, Ocana J L, Molpeceres C, Porro J A, Garcia-Beltran A 2008 Surf. Coat. Technol. 202 2257
[10] 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, 张兴全, 史建国 2006 55 5885]
[11] Yao H B, Ma G D, Tong Y Q, Zeng X B, Zhen X L, Jiang G P, Zhang Y K 2013 Appl. Mech. Mater. 437 358
[12] Feng A X, Shi F, Han Z C, Xie W, Li B, Yang R, Lu Y 2013 High Power Laser Particle Beams 25 872 (in Chinese) [冯爱新, 施芬, 韩振春, 薛伟, 李彬, 杨润, 卢轶 2013 强激光与离子束 25 872]
[13] Zhang Y K, Yu Y S, Yao H B, Wang F, Ren A G, Pei X 2010 Acta Phys. Sin. 59 5602 (in Chinese) [张永康, 于永生, 姚红兵, 王飞, 任爱国, 裴旭 2010 59 5602]
[14] Liu L, Wang S B, Wu H X, Guo D H, Liao P Y 2007 Laser Technol. 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]
[15] Xi D Y, Zheng Y L 1995 Explo. Shock Waves 15 174 (in Chinese) [席道瑛, 郑永来 1995 爆炸与冲击 15 174]
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[1] Fairand B P, Clauer A H, Jung R G, Wilcox B A 1974 Appl. Phys. Lett. 25 431
[2] Sano Y, Mukai N, Okazaki K, Obata M 1997 Nucl. Instrum. Meth. B 121 432
[3] Peyre P, Fabbro R, Merrien P, Lieurade H P 1996 Mater. Sci. Eng. 210 102
[4] Ocana J L, Molpeceres C, Porro J A, Gomez G, Morales M 2004 Appl. Surf. Sci. 238 501
[5] Luo H, Hanagud S 1997 38th Structures, Structural Dynamics and Materials Conference Kissimmee, USA, April 7-10, 1997 AIAA-97-1159
[6] Liu X Y, Ye S G 1999 Acta Acoust. 24 429 (in Chinese) [刘小宙, 叶式功 1999 声学学报 24 429]
[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] Ocana J L, Molpeceres C, Morales M, Garcia-Beltran A 2000 Proc. SPIE 3885 252
[9] Morales M, Ocana J L, Molpeceres C, Porro J A, Garcia-Beltran A 2008 Surf. Coat. Technol. 202 2257
[10] 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, 张兴全, 史建国 2006 55 5885]
[11] Yao H B, Ma G D, Tong Y Q, Zeng X B, Zhen X L, Jiang G P, Zhang Y K 2013 Appl. Mech. Mater. 437 358
[12] Feng A X, Shi F, Han Z C, Xie W, Li B, Yang R, Lu Y 2013 High Power Laser Particle Beams 25 872 (in Chinese) [冯爱新, 施芬, 韩振春, 薛伟, 李彬, 杨润, 卢轶 2013 强激光与离子束 25 872]
[13] Zhang Y K, Yu Y S, Yao H B, Wang F, Ren A G, Pei X 2010 Acta Phys. Sin. 59 5602 (in Chinese) [张永康, 于永生, 姚红兵, 王飞, 任爱国, 裴旭 2010 59 5602]
[14] Liu L, Wang S B, Wu H X, Guo D H, Liao P Y 2007 Laser Technol. 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]
[15] Xi D Y, Zheng Y L 1995 Explo. Shock Waves 15 174 (in Chinese) [席道瑛, 郑永来 1995 爆炸与冲击 15 174]
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