Effect of liquid properties on laser ablation of aluminum and titanium alloys

Effect of liquid properties on laser ablation of aluminum and titanium alloys Article history: In order to study the effect of liquid properties on laser ablation in liquids, aluminum 5A06 and titanium Received 10 July 2015 TB5 targets were irradiated by single-pulse infrared laser in isopropanol, distilled water, glycerin and as Received in revised form 13 October 2015 a comparison, in air, respectively. Craters induced by laser ablation were characterized using scanning Accepted 8 November 2015 electron and white-light interferometric microscopies. The results show that for liquid-mediated abla- Available online 14 November 2015 tion, craters with porous surface structures were formed in aluminum target through phase explosion, while no micro-cavities were formed in titanium target owing to high critical temperature of titanium. Keywords: In addition, ablation rates of aluminum and titanium targets vary with types of ambient media in accor- Laser ablation dance with such sequence: air < isopropanol < water < glycerin. Further, the influence of liquid properties Surface morphology on material-removal mechanisms for laser ablation in liquid is discussed. It is concluded that the density, Ablation rate thermal conductivity and acoustical impedance of liquid play a dominant role in laser ablation efficiency. Liquid properties Material-removal mechanisms © 2015 Elsevier B.V. All rights reserved. 1. Introduction Kruusing [2] summarized that http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Surface Science Elsevier

Effect of liquid properties on laser ablation of aluminum and titanium alloys

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Publisher
Elsevier
Copyright
Copyright © 2015 Elsevier B.V.
ISSN
0169-4332
eISSN
1873-5584
D.O.I.
10.1016/j.apsusc.2015.11.080
Publisher site
See Article on Publisher Site

Abstract

Article history: In order to study the effect of liquid properties on laser ablation in liquids, aluminum 5A06 and titanium Received 10 July 2015 TB5 targets were irradiated by single-pulse infrared laser in isopropanol, distilled water, glycerin and as Received in revised form 13 October 2015 a comparison, in air, respectively. Craters induced by laser ablation were characterized using scanning Accepted 8 November 2015 electron and white-light interferometric microscopies. The results show that for liquid-mediated abla- Available online 14 November 2015 tion, craters with porous surface structures were formed in aluminum target through phase explosion, while no micro-cavities were formed in titanium target owing to high critical temperature of titanium. Keywords: In addition, ablation rates of aluminum and titanium targets vary with types of ambient media in accor- Laser ablation dance with such sequence: air < isopropanol < water < glycerin. Further, the influence of liquid properties Surface morphology on material-removal mechanisms for laser ablation in liquid is discussed. It is concluded that the density, Ablation rate thermal conductivity and acoustical impedance of liquid play a dominant role in laser ablation efficiency. Liquid properties Material-removal mechanisms © 2015 Elsevier B.V. All rights reserved. 1. Introduction Kruusing [2] summarized that

Journal

Applied Surface ScienceElsevier

Published: Jan 1, 2016

References

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