Parameters optimization of laser processing CVD diamond film based on FEM simulation

被引：1
|
作者：
Wu, X. J. [1 ]
Xu, F. [1 ]
Zuo, D. W. [1 ]
Lu, W. Z. [1 ]
Wang, M. [1 ]
机构：
[1] NUAA, Coll Mech & Elect Engn, Nanjing 210016, Peoples R China
来源：
FUNCTIONAL MANUFACTURING TECHNOLOGIES AND CEEUSRO I | 2010年 / 426-427卷
关键词：
CVD diamond film; temperature distribution; FEM; laser processing;
D O I：
10.4028/www.scientific.net/KEM.426-427.26
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Chemical vapor deposited (CVD) diamond film has a series of outstanding properties. However, it can not be easily machined by conventional technologies available currently for its high hardness and stability. Laser processing diamond film method can be an efficient way to process diamond film because of its high energy density. The mechanisms of laser processing diamond film are thermal oxidation, graphitization and evaporative ablation of graphite. Temperature distribution is of great importance to understand these complex phenomena taking place during the process because different temperatures lead to different physical and chemical changes of diamond. In this paper, the finite element method (FEM) software ANSYS is applied to calculate the temperature distribution. The relation between etching depth and laser machining parameters (laser power and scanning speed) is presented. The proper parameter ranges of laser power and scanning speed for a certain etching depth is also investigated with this method.
引用
收藏
页码：26 / 29
页数：4
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