The influence of different volume ratios of He and Ar in shielding gas mixture on the power waste parameters for Nd:YAG and CO_2 laser welding

Hosseini Motlagh N.S.; Parvin P.; Jandaghi M.; Torkamany M.J.

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The influence of different volume ratios of He and Ar in shielding gas mixture on the power waste parameters for Nd:YAG and CO_2 laser welding

机译：保护气体混合物中He和Ar的不同体积比对Nd：YAG和CO_2激光焊接的功率浪费参数的影响

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In this paper, we numerically solve the Saha equations to drive the number densities of electrons and ions, the degrees of ionization of the plasma as well as the refractive indices and the inverse Bremsstrahlung absorption coefficients as a function of temperature for a variety of volume ratios of the (He+Ar) mixtures. Furthermore, the heat transfer equation was solved to determine the plasma temperature. The effect of shielding gas volume ratios on the power waste parameters was estimated during long pulse Nd:YAG and CW CO _2 laser welding accompanying the experimental verification.

机译：在本文中，我们用数值方法求解了Saha方程，以驱动电子和离子的数量密度，等离子体的电离度以及折射率和Bre致辐射吸收系数随温度的变化，随温度的变化而变化（He + Ar）混合物。此外，求解热传递方程以确定等离子体温度。伴随实验验证，在长脉冲Nd：YAG和CW CO _2激光焊接过程中，估计了保护气体体积比对功率浪费参数的影响。

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《Optics & Laser Technology》 |2013年第null期|共8页
作者
Hosseini Motlagh N.S.; Parvin P.; Jandaghi M.; Torkamany M.J.;
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原文格式 PDF
正文语种 eng
中图分类 53.7;
关键词
Laser welding; Power waste parameters; Shielding gas mixture;

机译：激光焊接;功率浪费参数;保护气体混合物;

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1. The influence of different volume ratios of He and Ar in shielding gas mixture on the power waste parameters for Nd:YAG and CO_2 laser welding [J] . Hosseini Motlagh N.S., Parvin P., Jandaghi M., Optics & Laser Technology . 2013,第Null期

机译：保护气体混合物中He和Ar的不同体积比对Nd：YAG和CO_2激光焊接的功率浪费参数的影响
2. The influence of different He-Ar ratios on high power CO_2 laser welding process and weld formation [J] . Guohua Li, Yan Cai, Shijun Jia, International Journal of Microstructure and Materials Properties . 2010,第2a3期

机译：不同He-Ar比对高功率CO_2激光焊接工艺及焊缝形成的影响
3. Investigation into the effect of Ar ratio in He-Ar mixture side assisting gas on plasma properties during CO_2 laser welding based on 3D reconstruction [J] . Sun Dawei, Cai Yan, Wu Yue, Journal of Laser Applications . 2015,第1期

机译：基于三维重建的CO_2激光焊接期间HE-AR混合侧辅助气体抗血液特性AR比的影响
4. THE INFLUENCE OF THE PRESSURE OF Ar SHIELDING GAS ON THE KEYHOLE BEHAVIOR DURING CO_2 LASER WELDING OF TA15 [C] . Duan Aiqin, Gong Shuili, Huang Song International Congress on Applications of Lasers Electro-Optics . 2012

机译：AR屏蔽气体压力对TA15 CO_2激光焊接期间锁孔行为的影响
5. Investigation of the spatial cavity mode and gain distribution overlap parameters within a diode pumped Nd:YAG laser. [D] . Dallas, Joseph Louis. 1996

机译：研究二极管泵浦的Nd：YAG激光器中的空间腔模和增益分布重叠参数。
6. Correlation between the operation time using two different power settings of a Ho: YAG laser: laser power doesn’t influence lithotripsy time [O] . Takashi Kawahara, Hiroki Ito, Hideyuki Terao, 2013

机译：使用Ho：YAG激光的两种不同功率设置的手术时间之间的相关性：激光功率不会影响碎石时间
7. Fundamental Phenomena in High Power CO_2 Laser Welding (Report I) : Atmospheric Laser Welding(Welding Physics, Process Instrument) [O] . Arata Yoshiaki, Abe Nobuyuki, Oda Tatsuharu 2015

机译：大功率CO_2激光焊接中的基本现象（报告I）：大气激光焊接（焊接物理，工艺和仪器）
8. Expansion Ratio Influence on Population Inversion in CO2/Ar CW Gasdynamic Lasers Operating at Various Transitions within Coupled Upsilon 1 and Upsilon 2 Modes of CO2 [R] . Brunne, M., Cenian, A. 1983

机译：扩展比对CO2 / ar连续气体动力激光器中的粒子数反转的影响在耦合的Upsilon 1和Upsilon 2模式下的各种转换中运行

The influence of different volume ratios of He and Ar in shielding gas mixture on the power waste parameters for Nd:YAG and CO_2 laser welding

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