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Laser Sintering of SiO2 Powder Compacts

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Powder Metallurgy and Metal Ceramics Aims and scope

Abstract

Regularities of sintering compacted SiO2 powder under the action of a CO2-laser are studied by experiment. Features are considered for rebuilding the structure of a powder body (particle regrouping, formation of interparticle contacts, joining of particles into conglomerates, evolution of the porous structure) in different stages of sintering (with different laser irradiation duration). Sintering is accomplished by a liquid-phase mechanism (by melting particles and joining solid unmelted cores by the liquid phase formed). The results obtained may be used for developing laser sintering methods for ceramic powders.

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Authors and Affiliations

  1. Belarusian National Academy of Sciences, Institute of Technical Acoustics, prosp. Lyudnikoda 13, Vitebsk, Belarus, 210717

    Nikolaj K. Tolochko, Maxim K. Arshinov & Konstantin I. Arshinov

  2. Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, ul. Krzhizhanovskogo 3, Kiev, Ukraine, 03142

    Andrei V. Ragulya

Authors
  1. Nikolaj K. Tolochko
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  2. Maxim K. Arshinov
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  3. Konstantin I. Arshinov
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  4. Andrei V. Ragulya
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Tolochko, N.K., Arshinov, M.K., Arshinov, K.I. et al. Laser Sintering of SiO2 Powder Compacts. Powder Metallurgy and Metal Ceramics 43, 10–16 (2004). https://doi.org/10.1023/B:PMMC.0000028265.39058.68

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  • DOI: https://doi.org/10.1023/B:PMMC.0000028265.39058.68

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