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Laser Induced Forward Transfer: Topography Dependence of Laser Fluence and Thickness for Titanium Film

[+] Author Affiliations
Jie Zhao, Yongxiang Hu, Zhenqiang Yao

Shanghai Jiao Tong University, Shanghai, China

Paper No. MSEC2018-6587, pp. V001T01A041; 6 pages
doi:10.1115/MSEC2018-6587
From:
  • ASME 2018 13th International Manufacturing Science and Engineering Conference
  • Volume 1: Additive Manufacturing; Bio and Sustainable Manufacturing
  • College Station, Texas, USA, June 18–22, 2018
  • Conference Sponsors: Manufacturing Engineering Division
  • ISBN: 978-0-7918-5135-7
  • Copyright © 2018 by ASME

abstract

Compared with other metals, titanium has a wide range of applications in laser induced forward transfer (LIFT) due to its unique properties of low thermal conductivity and high melting point. In general, the titanium film is used as a sacrificial layer or transferred material in LIFT with different laser fluence. In this study, four different topography types are classified under the laser irradiation of ultraviolet nanosecond pulses. For Ti films with different thicknesses, probability distribution of these types is provided to demonstrate how topographies evolve with the increasing laser fluence. Through the research, the understanding of the physical mechanism of titanium film would be deepened.

Copyright © 2018 by ASME

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