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Dielectric breakdown of additively manufactured polymeric materials | IEEE Journals & Magazine | IEEE Xplore

Dielectric breakdown of additively manufactured polymeric materials


Abstract:

Dielectric strength testing of selected Polyjet-printed polymer plastics was performed in accordance with ASTM D149. This dielectric strength data is compared to manufact...Show More

Abstract:

Dielectric strength testing of selected Polyjet-printed polymer plastics was performed in accordance with ASTM D149. This dielectric strength data is compared to manufacturer-provided dielectric strength data for selected plastics printed using the stereolithography (SLA), fused deposition modeling (FDM), and selective laser sintering (SLS) methods. Tested Polyjet samples demonstrated dielectric strengths as high as 47.5 kV/mm for a 0.5 mm thick sample and 32.1 kV/mm for a 1.0 mm sample. The dielectric strength of the additively manufactured plastics evaluated as part of this study was lower than the majority of non-printed plastics by at least 15% (with the exception of polycarbonate).
Published in: IEEE Transactions on Dielectrics and Electrical Insulation ( Volume: 22, Issue: 6, December 2015)
Page(s): 3543 - 3549
Date of Publication: 11 January 2016

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