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In order to better understand how the laser sintering process affects polyamide 12 powder, the authors measured the thermal conductivity of polyamide 12 powder at various densities and conditions. The investigations determined that thermal conductivity of polyamide 12 powder is influenced by temperature and density. The researchers hope to improve the thermal control in laser sintering processes....
Thermal conductivity measurements were performed on nylon-12 powder over the temperature range from 40-170oC. The thermal conductivity was found to increase linearly over this temperature range. These measurements were performed in order to help better understand how properties of the powder change throughout the process of laser sintering. A one-dimensional model of the thermal energy transport in the powder bed was developed, and it was found to be qualitatively ...
