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Title: Thermal Influence of CNT on the Polyamide 12 Nanocomposite for Selective Laser Sintering
Authors: Bai, Jiaming
Goodridge, Ruth D.
Yuan, Shangqin
Zhou, Kun
Chua, Chee Kai
Wei, Jun
Keywords: Selective laser sintering
Thermal influence
Numerical simulation
Polymer nanocomposites
Issue Date: 2015
Source: Bai, J., Goodridge, R. D., Yuan, S., Zhou, K., Chua, C. K., & Wei, J. (2015). Thermal Influence of CNT on the Polyamide 12 Nanocomposite for Selective Laser Sintering. Molecules, 20(10), 19041-19050.
Series/Report no.: Molecules
Abstract: The thermal influence of carbon nanotubes (CNTs) on the PA12 in the laser sintering process was assessed by physical experiments and a three dimensional simulation model. It appears that, by adding the CNTs into the PA12 matrix, the thermal conductivity increased. A double ellipsoidal heat flux model was applied to input a three dimensional, continuous moving, volumetric laser heat source. The predicted three dimensional temperature distributions suggested that the laser heat was conducted wider and deeper in the PA12-CNT sample than PA12. Greater heat conduction can reduce the interspace between two successive layers, and result in the increase of the parts’ density and properties.
ISSN: 1420-3049
DOI: 10.3390/molecules201019041
Schools: School of Mechanical and Aerospace Engineering 
Rights: © 2015 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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