Laser ablation of advanced ceramics and glass-ceramic materials: Reference position dependence

被引：18
作者：
Sola, D. [1 ]
Escartin, A. [1 ]
Cases, R. [2 ]
Pena, J. I. [1 ]
机构：
[1] Univ Zaragoza, CSIC, Inst Ciencia Mat Aragon, Dept Ciencia & Tecnol Mat & Fluidos, Zaragoza 50018, Spain
[2] Univ Zaragoza, CSIC, Inst Ciencia Mat Aragon, Dept Fis Mat Condensada,Fac Ciencias, E-50009 Zaragoza, Spain
来源：
APPLIED SURFACE SCIENCE | 2011年 / 257卷 / 12期
关键词：
Laser ablation; Glass-ceramic; Alumina; 8YSZ; Advanced ceramics; Reference position; Hardness;
D O I：
10.1016/j.apsusc.2010.09.089
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this work, we present the effect produced by modifying the reference position as well as the method of machining on the results obtained when advanced ceramics and glass-ceramic materials are machined by laser ablation. A Q-switched Nd: YAG laser at its fundamental wavelength of 1064nm with pulsewidths in the nanosecond range has been used. Morphology, depth and volume obtained by means of pulse bursts and grooves have been studied. Working within the same laser conditions, it has been shown that these values depend on the thermal, optical and mechanical features of the material processed. We have also studied the variation in the ablation yield when the position of the surface to be machined is modified. Material properties and work conditions are related to the results obtained. We have described and discussed the morphology, composition, microstructure and hardness of the materials processed. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：5413 / 5419
页数：7
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