Journal of Electronic Materials

, Volume 44, Issue 3, pp 771–777

Thermo-mechanical Characterization of Metal/Polymer Composite Filaments and Printing Parameter Study for Fused Deposition Modeling in the 3D Printing Process

  • Seyeon Hwang
  • Edgar I. Reyes
  • Kyoung-sik Moon
  • Raymond C. Rumpf
  • Nam Soo Kim
Article

Abstract

New metal/polymer composite filaments for fused deposition modeling (FDM) processes were developed in order to observe the thermo-mechanical properties of the new filaments. The acrylonitrile butadiene styrene (ABS) thermoplastic was mixed with copper and iron particles. The percent loading of the metal powder was varied to confirm the effects of metal particles on the thermo-mechanical properties of the filament, such as tensile strength and thermal conductivity. The printing parameters such as temperature and fill density were also varied to see the effects of the parameters on the tensile strength of the final product which was made with the FDM process. As a result of this study, it was confirmed that the tensile strength of the composites is decreased by increasing the loading of metal particles. Additionally, the thermal conductivity of the metal/polymer composite filament was improved by increasing the metal content. It is believed that the metal/polymer filament could be used to print metal and large-scale 3-dimensional (3D) structures without any distortion by the thermal expansion of thermoplastics. The material could also be used in 3D printed circuits and electromagnetic structures for shielding and other applications.

Keywords

Metal/polymer composite filament 3D printing fused deposition modeling thermo-mechanical properties large-scale 3D printing copper iron 

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Copyright information

© The Minerals, Metals & Materials Society 2014

Authors and Affiliations

  • Seyeon Hwang
    • 1
  • Edgar I. Reyes
    • 1
  • Kyoung-sik Moon
    • 2
  • Raymond C. Rumpf
    • 3
  • Nam Soo Kim
    • 1
  1. 1.Department of Metallurgical & Materials EngineeringThe University of Texas at El PasoEl PasoUSA
  2. 2.School of Materials Science & EngineeringGeorgia Institute of TechnologyAtlantaUSA
  3. 3.EM Lab, W. M. Keck Center for 3D InnovationThe University of Texas at El PasoEl PasoUSA

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