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Proceedings Article

Numerical modeling of heating and melting of microparticles under laser radiation

[+] Author Affiliations
Roman V. Grishaev, Maxim D. Khomenko, Fikret Kh. Mirzade

Institute on Laser and Information Technologies (Russian Federation)

Proc. SPIE 7994, LAT 2010: International Conference on Lasers, Applications, and Technologies, 79940U (February 07, 2011); doi:10.1117/12.881589
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From Conference Volume 7994

  • LAT 2010: International Conference on Lasers, Applications, and Technologies
  • Vladislav Panchenko; Gérard Mourou; Aleksei M. Zheltikov
  • Kazan, Russian Federation | August 23, 2010

abstract

The processes of heat transfer in microparticles in the gas atmosphere due to kinetics of phase change (melting) under laser radiation have been numerically investigated. The temperature dependence of thermal and optical parameters, irradiative cooling and heat exchange with the gas atmosphere are considered. The dynamics of temperature distribution of particles of different sizes subject to melting has been determined. The dependences of the time of full melting on the properties of particles and on laser radiation have been obtained. This will help to choose the right regime of laser treatment in selective laser sintering.

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Citation

Roman V. Grishaev ; Maxim D. Khomenko and Fikret Kh. Mirzade
"Numerical modeling of heating and melting of microparticles under laser radiation", Proc. SPIE 7994, LAT 2010: International Conference on Lasers, Applications, and Technologies, 79940U (February 07, 2011); doi:10.1117/12.881589; http://dx.doi.org/10.1117/12.881589


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