Abstract
When the heating duration becomes greater than the thermalization time of the substrate material, equilibrium heating takes place in the laser irradiated region. In this case, the classical Fourier heating law governs the energy transport. Although the heating process is complicated, some useful assumptions enable to obtain the closed form solution for temperature and stress fields. Since the analytical solution provides the functional relation between the dependent variable and the independent parameters, it provides better physical insight into the heating problem than that of the numerical analysis. In this chapter, equilibrium heating of solid surfaces heated by a laser beam is considered. The closed form solution for the resulting temperature and stress fields are presented for various heating situations. The study also covers the phase change taking place at the irradiated region during the laser treatment process.
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Yilbas, B.S., Al-Dweik, A.Y., Al-Aqeeli, N., Al-Qahtani, H.M. (2014). Equilibrium Laser Pulse Heating and Thermal Stress Analysis. In: Laser Pulse Heating of Surfaces and Thermal Stress Analysis. Materials Forming, Machining and Tribology. Springer, Heidelberg. https://doi.org/10.1007/978-3-319-00086-2_2
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DOI: https://doi.org/10.1007/978-3-319-00086-2_2
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