3D FE simulation for temperature evolution in the selective laser sintering process

A thermal model of selective laser sintering (SLS) has been developed. The model allows for the non-linear behavior of thermal conductivity and of specific heat due to temperature changes and phase transformations. The temperature evolution and the formation of the sintered part are simulated by a 3...

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Veröffentlicht in:International journal of machine tools & manufacture 2004-02, Vol.44 (2), p.117-123
Hauptverfasser: Kolossov, S., Boillat, E., Glardon, R., Fischer, P., Locher, M.
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container_end_page 123
container_issue 2
container_start_page 117
container_title International journal of machine tools & manufacture
container_volume 44
creator Kolossov, S.
Boillat, E.
Glardon, R.
Fischer, P.
Locher, M.
description A thermal model of selective laser sintering (SLS) has been developed. The model allows for the non-linear behavior of thermal conductivity and of specific heat due to temperature changes and phase transformations. The temperature evolution and the formation of the sintered part are simulated by a 3D finite element analysis based on continuous media theory. It is shown that the effect of sintering has a strong influence on thermal evolution through changing the thermal properties of the material. The results of the model were experimentally tested and confirmed by temperature measurements.
doi_str_mv 10.1016/j.ijmachtools.2003.10.019
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subjects Finite element method
Selective laser sintering
title 3D FE simulation for temperature evolution in the selective laser sintering process
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