| 约束层材料及靶材表面特征对激光冲击波的影响 |
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| 引用本文： | 段志勇,王声波,吴鸿兴,郭大浩,刘世伟. 约束层材料及靶材表面特征对激光冲击波的影响[J]. 激光杂志, 2000, 21(2): 19-19,21 |
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| 作者姓名： | 段志勇 王声波 吴鸿兴 郭大浩 刘世伟 |
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| 作者单位： | 中国科学技术大学强激光技术研究所!合肥230026 |
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| 摘 要： | 观测了不同约束层材料及不同靶材表面特征情况下产生的激光冲击波。实验发现 ,约束层对激光冲击波的脉宽有显著的展宽作用 ,且冲击波的峰压值随约束层材料的声阻抗的增大而增大。另外 ,研究了表面涂层对冲击结果的影响 ,重新认识了其作用。针对于实际应用 ,还试验了曲面靶材的冲击强化 ,讨论了约束结构的有效性问题。
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| 关 键 词： | 激光冲击波 约束层材料 声阻抗 靶材表面特征 |
Effects of confining material and surface properties of target o n laser-induced shock waves |
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| Duan zhiyong,Wang shengbo,Wu Hongxing,Guo Dahao,Liu Shiwei. Effects of confining material and surface properties of target o n laser-induced shock waves[J]. Laser Journal, 2000, 21(2): 19-19,21 |
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| Authors: | Duan zhiyong Wang shengbo Wu Hongxing Guo Dahao Liu Shiwei |
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| Abstract: | For various confining materials and surface properties of targets,laser produced shock waves were observed.It was found that confinement expands significantly the duration of shock waves,and the peak pressure of shock waves enhances with its acoustic impedance.In addition,we studied the effect of exterior paint,re cogitating its role.And we also experimented on laser shock for toroidal target,for purpose of application,considering the validity of confinement. |
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| Keywords: | laser induced shock wave confining material acoustic impedance surface property |
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