Chinese Optics Letters, 2015, 13 (8): 081403, Published Online: Sep. 14, 2018  

Modeling of dynamic process in the laser-off period during laser drilling Download: 695次

Author Affiliations
School of Science, Nanjing University of Science and Technology, Nanjing 210094, China
Abstract
A two-dimensional, transient model is proposed to study the dynamic process of keyhole formation and the material changes during both the laser-on and -off periods. The keyhole shape, temperature field, and velocity field are analyzed. The results indicate that the dynamic changes of the target material in the laser-off period have a great influence on the final structure of the keyhole.

Tingzhong Zhang, Xiaowu Ni, Jian Lu. Modeling of dynamic process in the laser-off period during laser drilling[J]. Chinese Optics Letters, 2015, 13(8): 081403.

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