Study of hole characteristics in Laser Trepan Drilling of ZTA

被引：29
|
作者：
Saini, Surendra K. [1 ]
Dubey, Avanish K. [1 ]
Upadhyay, B. N. [2 ]
Choubey, A. [2 ]
机构：
[1] Motilal Nehru Natl Inst Technol, Mech Engn Dept, Allahabad 211004, Uttar Pradesh, India
[2] Raja Ramanna Ctr Adv Technol, Solid State Laser Div, Indore 452013, Madhya Pradesh, India
来源：
OPTICS AND LASER TECHNOLOGY | 2018年 / 103卷
关键词：
Zirconia Toughened Alumina; Laser Trepan Drilling; Hole characteristics; Modeling; Optimization; TITANIUM-ALLOY SHEET; OPTIMIZATION; CERAMICS; COMPOSITE; TAPER;
D O I：
10.1016/j.optlastec.2018.01.052
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Zirconia Toughened Alumina ceramic is widely used for aerospace components, combustion chambers, heat exchangers, bearings and pumps mainly due to its improved mechanical and thermal properties. To make holes in thick section Zirconia Toughened Alumina ceramics is a major challenge due to its unfavorable machining characteristics. Recent researches have explored that laser machining can overcome the machining limitations of advanced materials having improved mechanical properties. In present research, authors have analyzed the effect of Laser Trepan Drilling on hole characteristics of 6.0 mm thick Zirconia Toughened Alumina. Effect of significant process parameters on hole characteristics such as hole circularity at top and bottom, hole taper, and spatter size have been studied. The optimum ranges of these parameters have been suggested on the basis of empirical modeling and optimization. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：330 / 339
页数：10
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