Femtosecond Laser Ablation Kinetic Energy Thermal Model and Tooth Surface Topography of Face Gear Materials

被引：0
|
作者：
Xiao Yongbo [1 ]
Ming Rui [1 ]
Lai Mingtao [1 ]
Li Xuekun [1 ]
Ma Yulong [2 ]
Ming Xingzu [1 ,2 ]
机构：
[1] Hunan Univ Technol, Sch Mech Engn, Zhuzhou 412007, Hunan, Peoples R China
[2] Hubei Univ Arts & Sci, Sch Mech Engn, Xianyang 441053, Hubei, Peoples R China
来源：
LASER & OPTOELECTRONICS PROGRESS | 2021年 / 58卷 / 17期
关键词：
laser optics; femtosecond laser; mutual temperature induction; kinetic energy thermal model; simulation analysis; temperature field; tooth profile; CHANNELS; DYNAMICS;
D O I：
10.3788/LOP202158.1714001
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Femtosecond laser microcorrection technology is a new type of processing method that uses a laser with ultrashort pulse-width and high energy density to micromachine the gear tooth surface. Considering the mutual temperature induction between the components of the gear material, a kinetic energy thermal model of the femtosecond laser-ablated surface gear material was established, and the evolution of the temperature field of the tooth surface of the femtosecond laser-modified surface gear was simulated and analyzed. The temperature of electrons rises sharply and is much greater than the lattice temperature and the depth and diameter of ablation pits increase. The tooth surface morphology of the ablated pits was experimentally observed, confirming the correctness of the kinetic energy thermal model, and providing theoretical guidance for the study of femtosecond laser-ablated surface gears.
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页数：9
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