• Animesh K Jain

      Articles written in Bulletin of Materials Science

    • Modelling of laser-induced effects in materials

      Animesh K Jain

      More Details Abstract Fulltext PDF

      Progress made in modelling laser-induced effects in materials is reviewed. Calculation of the thermal history of a material treated with a high power laser pulse is described in detail. Variation of thermophysical properties with temperature, and phase changes such as melting, vaporization and resolidification are incorporated into the calculations. Typical results for laser treatment of iron are presented. The melt parameters obtained from the heating calculations are used to predict the solute depth profiles in surface alloys produced by pulsed laser treatment. Non-equilibrium segregation effects, arising from extremely high resolidification velocities of several metres per second, are discussed and incorporated into calculations of the solute depth profiles. Departures from expected profiles due to convection in the melt are briefly discussed.

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