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Absorptance of powder materials suitable for laser sintering

Nikolay K. Tolochko (Vice‐Director, based at the Institute of Technical Acoustics, National Academy of Sciences of Belarus, Belarus)
Yurii V. Khlopkov (Senior Scientist based at the Institute of Technical Acoustics, National Academy of Sciences of Belarus, Belarus)
Sergei E. Mozzharov (Scientist based at the Institute of Technical Acoustics, National Academy of Sciences of Belarus, Belarus)
Michail B. Ignatiev (Senior Scientist at the Institut de Science et des Matériaux et Procédés, Font‐Romeu Cedex, France)
Tahar Laoui (Research Associate at the Department of Metallurgy & Materials Engineering, University of Leuven (KU Leuven), Belgium)
Victor I. Titov (Senior Scientist at the Institute of Metallurgy, Russian Academy of Sciences, Moscow, Russia)

Rapid Prototyping Journal

ISSN: 1355-2546

Article publication date: 1 September 2000

7845

Abstract

The normal spectral absorptance of a number of metal, ceramic and polymer powders susceptible to be utilised for selective laser sintering (SLS) technique was experimentally determined. The measurements were performed with two laser wavelengths of 1.06μm and 10.6μm obtained by using two lasers – Nd‐YAG and CO2 respectively. The change in the powder absorptance with time during laser processing was also investigated. The effect of the absorptance characteristics on the sintering process is discussed.

Keywords

Citation

Tolochko, N.K., Khlopkov, Y.V., Mozzharov, S.E., Ignatiev, M.B., Laoui, T. and Titov, V.I. (2000), "Absorptance of powder materials suitable for laser sintering", Rapid Prototyping Journal, Vol. 6 No. 3, pp. 155-161. https://doi.org/10.1108/13552540010337029

Publisher

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MCB UP Ltd

Copyright © 2000, MCB UP Limited

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