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 |
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container_title | International journal of machine tools & manufacture |
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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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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. 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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.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.ijmachtools.2003.10.019</doi><tpages>7</tpages></addata></record> |
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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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