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Open AccessArticle

Thermoelastic Response Induced by Volumetric Absorption of Uniform Laser Radiation in a Half-Space

Department of Mathematics, College of Science Al-Zulfi, Majmaah University, Majmaah 11952, Saudi Arabia
Coatings 2020, 10(3), 228; https://doi.org/10.3390/coatings10030228
Received: 4 February 2020 / Revised: 21 February 2020 / Accepted: 22 February 2020 / Published: 2 March 2020
(This article belongs to the Special Issue Surface Treatment by Laser-Assisted Techniques)
In this paper, the thermoelastic response in a generalized thermoelastic half-space induced by absorption of a penetrating pulsed laser radiation inside the medium is studied using the generalized theory with Dual-Phase-Lag (DPL). The surface of the target is considered stresses free and exposed to temperature-dependent heat losses. Laplace integral transform is used analytically for obtaining the general solution, while its inverse is carried out numerically. The copper element is used as an application to compare the predictions induced by volumetric absorption of the Dual-Phase-lag theory with those for Lord–Shulman (LS) and classical coupled (CTE) theories, moreover the response induced by volumetric absorption for (LS) and (CTE) models in this work were compared with those induced by surface absorption in a previous work. View Full-Text
Keywords: generalized thermoelasticity; laser radiation; volumetric absorption; thermal stresses; cooling effect generalized thermoelasticity; laser radiation; volumetric absorption; thermal stresses; cooling effect
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Tayel, I.M. Thermoelastic Response Induced by Volumetric Absorption of Uniform Laser Radiation in a Half-Space. Coatings 2020, 10, 228.

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