Thermo-acoustics of pulsed laser-induced phase transition in tungsten by FDTD numerical calculation
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Date
2013
Authors
Veres, I.A.
Utegulov, Z.N.
Every, A.
Journal Title
Journal ISSN
Volume Title
Publisher
Nazarbayev University
Abstract
In the presented work metal-to-liquid phase transition induced by a pulsed-laser was investigated. A numerical FDTD technique based on the solution of the coupled heat and wave equations was applied. It was demonstrated that the laser-induced melting leads to the development of a melt pool which significantly influences the generation of the elastic waves and can be utilized for localized and remote monitoring of the laser pulse-induced solid-to-liquid phase transition in refractory metals preset in harsh environments.
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Keywords
first research week, innovative scientific research, metal-to-liquid phase transition, numerical FDTD technique