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主页 旧刊 有关人员 未来大会 American Society of Thermal and Fluids Engineering
Second Thermal and Fluids Engineering  Conference

ISSN: 2379-1748
ISBN: 978-1-56700-430-4

EFFECTS OF FILM THICKNESS ON FEMTOSECOND LASER SPALLATION AND ABLATION OF SILVER FILM

Pengfei Ji
University of Missouri, Columbia, MO 65211, USA

Yuwen Zhang
Department of Mechanical and Aerospace Engineering, University of Missouri, Columbia, MO, 65211, USA

DOI: 10.1615/TFEC2017.mnt.017459
pages 2003-2006

摘要

Ab initio quantum mechanics, classical molecular dynamics and two-temperature model integrated multiscale simulation is carried out to study the effects of film thickness on the femtosecond laser spallation and ablation of silver film. At an interval of 130.7296 nm, five silver films with increasing thickness from 392.1888 nm to 915.1072 nm are simulated. The simulation results show that film thickness has close correlation with the Kelvin degree of heating of the laser irradiated silver films, which further affects the laser spallation and ablation.

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