NDLI: Steep-fronted, single impulse breakdown in epoxy composites with powdered fillers

Content Provider	IEEE Xplore Digital Library
Author	Budenstein, P.P. Song, Y.
Copyright Year	1992
Description	Author affiliation: US Army Missile Command, Redstone Arsenal, AL, USA (Budenstein, P.P.)
Abstract	Steep-fronted, single impulse breakdown tests have been performed on casting composites having three different compositions, using a uniform field geometry with embedded bruce contour electrodes and gaps of 0.3, 0.6 and 2.2 cm. The binder for each composition contained diglycidyl ether of bisphenol A as the epoxy resin, nadic methyl anhydride as a hardener, and benzyldimethylamine as an accelerator, in the relative proportions by mass of 100:85:0.5. The filler materials are Mg/sub 1-x/Fe/sub x/SiO/sub 3/ with x< 0.1, MgTiO/sub 3/, and BaTi/sub 5/O/sub 11/, with dielectric constants of 6, 16, and 50, respectively. The phenomenology of breakdown was similar for the three compositions over the thickness range and conditions of excitation of these tests. Breakdown strength decreased with increasing dielectric constant of the composite and its filler and with increasing gap width.<>
Starting Page	208
Ending Page	216
File Size	354738
Page Count	9
File Format	PDF
ISBN	0780305655
DOI	10.1109/CEIDP.1992.283186
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-10-18
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electric breakdown Dielectric constant Impulse testing Performance evaluation Casting Geometry Electrodes Epoxy resins Dielectric materials Iron
Content Type	Text
Resource Type	Article

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