| 飞秒激光对Mg/PTFE药剂烧蚀加工过程安全性分析 |
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| 引用本文： | 陈明华, 卢斌, 李东阳, 战志波. 飞秒激光对Mg/PTFE药剂烧蚀加工过程安全性分析[J]. 激光与红外, 2007, 37(3): 214-216 |
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| 作者姓名： | 陈明华 卢斌 李东阳 战志波 |
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| 作者单位： | 军械工程学院军械技术研究所,河北,石家庄,050000;中国兵器工业第213研究所,陕西,西安,710061 |
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| 摘 要： | 文章简要介绍了飞秒激光发展过程及其特点,讨论了利用飞秒激光的超快速时间和超高峰值的特性烧蚀加工烟火药剂Mg/PTFE的可行性与安全性.建立了飞秒激光与Mg/PTFE作用过程中的传热模型,根据模型计算了药剂内部的温度分布以及烧蚀反应放出的热量对周围药剂的影响;在本研究的计算条件下,确定了在切割过程中,受激光作用表面的温度可达3000℃以上,单个激光脉冲的作用深度小于5.0×10-7m,药剂反应放出的热量对周边基本上没有影响,因而飞秒激光能够用于Mg/PTFE药剂的加工.
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| 关 键 词： | 飞秒激光 Mg/FTFE 烧蚀加工 温度分布 |
| 文章编号： | 1001-5078（2007）03-0214-03 |
| 修稿时间： | 2006-06-142006-08-10 |
Security Analysis on Ablation Process of Pyrotechnics by Femtosecond Laser |
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| CHEN Ming-hua; LU Bin; LI Dong-yang; ZHAN Zhi-bo. Security Analysis on Ablation Process of Pyrotechnics by Femtosecond Laser[J]. Laser & Infrared, 2007, 37(3): 214-216 |
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| Authors: | CHEN Ming-hua LU Bin LI Dong-yang ZHAN Zhi-bo |
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| Abstract: | The development process and characteristics of femtosecond laser were introduced briefly,the feasibility and security in ablation of Mg/PTFE composition by femtosecond laser based on its characteristics of ultrafast time and ultrahigh energy peak value were discussed.The heat transfer model in the ablation process of Mg/PTFE composition by femtosecond laser was established first,and the temperature distribution in the composition and the influence of heat released in ablation reaction on the composition wer... |
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| Keywords: | femtosecond laser Mg/PTFE composition ablation temperature distribution |
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