Bulletin of the American Physical Society
2018 Annual Meeting of the APS Four Corners Section
Volume 63, Number 16
Friday–Saturday, October 12–13, 2018; University of Utah, Salt Lake City, Utah
Session G01: Poster Session
5:00 PM,
Friday, October 12, 2018
CSC
Room: 205/206
Chair: David Kieda, University of Utah
Abstract ID: BAPS.2018.4CS.G01.42
Abstract: G01.00042 : Effects of Radiation on the Electrostatic Discharge of Polymers
Presenter:
Kip Quilter
(Utah State University)
Authors:
Kip Quilter
(Utah State University)
Megan Loveland
(Utah State University)
Alexandra Hughlett
(Utah State University)
JR Dennison
(Utah State University)
Measurements have been made to determine if an increased density of localized defects generated by ionizing radiation affects the electrostatic breakdown of highly disordered insulating materials. Five highly disordered polymeric materials were chosen (Polyether ether ketone, Kapton, Fluorinated ethylene propylene, Polypropylene, Low-density polyethylene ) for their different tolerance to radiation. These polymers were exposed to 5kGy of penetrating beta radiation in vacuo to change the density of the localized defect states throughout polymer. Increasing density of localized states were known to enhance the hopping conductivity of polymers. Electrostatic discharge (ESD) field, strongly viewed as an extreme limit of conductivity, is therefore expected to be decreased by radiation induced defects. The breakdown of the polymers is measured under vacuum in a parallel plate geometry. In a standard ramp up test, the voltage is increased until a large jump in the current is observed. Measurements were made on unirradiated, irradiated, and irradiated samples that had been exposed to moist air for an extended time to determine the effects of radiation on ESD and if a sample is able to recover from radiation by being exposed to oxygen and water from the atmosphere.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.4CS.G01.42
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