A parametric study of pulsed Nd:YAG laser micro-drilling of gamma-titanium aluminide

被引：86
|
作者：
Biswas, R. [1 ]
Kuar, A. S. [2 ]
Sarkar, S. [2 ]
Mitra, S. [2 ]
机构：
[1] MCKV Inst Engn, Liluah 711204, Howrah, India
[2] Jadavpur Univ, Dept Prod Engn, Kolkata 700032, India
来源：
OPTICS AND LASER TECHNOLOGY | 2010年 / 42卷 / 01期
关键词：
Nd:YAG laser micro-drilling; Circularity; Hole taper; ND; OPTIMIZATION;
D O I：
10.1016/j.optlastec.2009.04.011
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In the present research, Nd:YAG laser micro-drilling of gamma-titanium aluminide, a new material which has performed well in laboratory tests as well as in different fields of engineering, is studied. The effect of different process parameters in the optimization of the process is investigated. The aspects considered are the hole circularity at exit and the hole taper of the drilled hole. Lamp current, pulse frequency, air pressure and thickness of the job are selected as independent process variables. The central composite design (CCD) technique based on response surface methodology (RSM) is employed to plan the experiments to achieve optimum responses with a reduced number of experiments. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：23 / 31
页数：9
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