2004 / DB reference year
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Author Kolossov, S.; Boillat, E.; Glardon, R.; Fischer, P.; Locher, M. ; Lab. for Prod. Mgmt. and Processes, Inst. for Production and Robotics, Swiss Fed. Institute of Technology, 1015 Lausanne, Switzerland
Source Int J Mach Tools Manuf v 44 Issue:n 2-3 February 2004 2004 p 117-123
Abstract 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. [References: 14] (Auth abstract) XX