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Laser Heating of a Material with Time-Dependent Laser Source

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Abstract

Hardening depths must be determined accurately when a material is subjected to laser heat treatment. In this paper, a semi-analytical method taking into account a time-dependent pulse shape is performed. A comparison between temporal temperatures is shown for five laser shapes. The distribution temperature and surface temperature during time processing are predicted based on a significant variety of material properties. The main result obtained is that an important time shift is observed from one temperature profile to another. It can be inferred that a hardened layer may be produced by using a time-dependent pulse shape instead of a time-independent pulse.

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Authors and Affiliations

  1. Laboratory of Biomaterials and Transport Phenomena, University of Medea, BP 164, 26000, Medea, Algeria

    M. N. Bouaziz & N. Boutalbi

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  1. M. N. Bouaziz
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  2. N. Boutalbi
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Correspondence to M. N. Bouaziz.

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Bouaziz, M.N., Boutalbi, N. Laser Heating of a Material with Time-Dependent Laser Source. Int J Thermophys 32, 1047–1059 (2011). https://doi.org/10.1007/s10765-011-0958-2

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  • DOI: https://doi.org/10.1007/s10765-011-0958-2

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