| 高功率激光焊接光致等离子体的形成机理研究 |
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| 引用本文： | 唐霞辉,朱海红,朱国富,李家. 高功率激光焊接光致等离子体的形成机理研究[J]. 华中科技大学学报(自然科学版), 1996, 0(6) |
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| 作者姓名： | 唐霞辉 朱海红 朱国富 李家 |
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| 作者单位： | 激光加工国家工程研究中心 |
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| 基金项目： | 国家“八五”重点攻关项目 |
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| 摘 要： | 采用理论分析和试验研究相结合的方法，深入探讨了高功率激光焊接过程中光致等离子体的形成过程以及等离子体导致激光能量损失的机理，结果表明：等离子体的产生与入射激光能量密度有关，激光能量的损失主要表现为吸收和散射两种方式，其大小与入射激光波长有关
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| 关 键 词： | 激光焊接；等离子体；形成机理 |
On the Formation Mechanism of Laser Induced Plasma in High Power Laser Welding |
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| Tang Xiahui National Engineering Research Center for Laser Processing,HUST,Wuhan ,China. Zhu Haihong Zhu Guofu Li Jiarong. On the Formation Mechanism of Laser Induced Plasma in High Power Laser Welding[J]. JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE, 1996, 0(6) |
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| Authors: | Tang Xiahui National Engineering Research Center for Laser Processing HUST Wuhan China. Zhu Haihong Zhu Guofu Li Jiarong |
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| Affiliation: | Tang Xiahui National Engineering Research Center for Laser Processing,HUST,Wuhan 430074,China. Zhu Haihong Zhu Guofu Li Jiarong |
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| Abstract: | The formation mechanism of laser induced plasma and the mechanism of the laser energy loss caused by plasma in high power laser welding are investigated theoretically and experimentally. The results show that the plasma generation is determined by the power density of impinging laser beam and the laser energy loss caused by plasma is mainly manifested in the form of absorption and scattering, with the magnitude of loss depending on the wavelength of the impinging laser beam. |
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| Keywords: | laser welding plasma formation mechanism |
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