S.J. Dodd
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Investigating Properties of a Composite Dielectric using Broadband Dielectric Spectroscopy Open
The dielectric properties of a complex composite insulator based on a Methyl Nadic Anhydride (MNA) cured Diglycidyl Ether of Bisphenol-A (DGEBA) epoxy has been examined using broadband dielectric spectroscopy (BDS). Epoxy samples containin…
Statistical Features and Determinism in Partial Discharge Data from Electrical Trees and Voids Open
Partial discharge (PD) data obtained from electrical trees and void experiments were analyzed. Several correlations
\nwere identified between the various statistical parameters traditionally used in PD classification and deterministic feat…
Contents Open
Polypropylene possesses advantages of excellent electrical property, high operating temperature, and facile manufacturing processing with reduced cost.Increased production efficiency and unlimited cable length are also highly desirable pro…
View article: Erratum: “Dielectric breakdown at sub-critical fields” [Appl. Phys. Lett. <b>113</b>, 112901 (2018)]
Erratum: “Dielectric breakdown at sub-critical fields” [Appl. Phys. Lett. <b>113</b>, 112901 (2018)] Open
First Page
Effects of salt water on the ballistic protective performance of bullet-resistant body armour Open
Bullet-resistant body armour is used by law enforcement agencies and military personnel worldwide, often in inclement weather. Some fibre types used in body armour perform poorly when wet, resulting in a reduced level of protection; this i…
View article: Dielectric breakdown at sub-critical fields
Dielectric breakdown at sub-critical fields Open
We present a quantitative physical model based on experimentally determined parameter values for the description of the way that dielectric breakdown occurs after a period of stressing at fields below the critical values required for deter…
View article: Simulation of electro-thermal ageing and breakdown in polymeric insulation under high frequency trapezoidal-wave pulses
Simulation of electro-thermal ageing and breakdown in polymeric insulation under high frequency trapezoidal-wave pulses Open
A quantitative ageing model expressed in terms of two generic parameters, one\ndescribing the ability of local regions to resist degradation and the other describing\ntheir capacity to concentrate energy from the electric field, has been u…
Are nano-composites really better DC insulators? A study using silica nanoparticles in XLPE Open
A DC step test and a number of DC life endurance tests have been performed at a temperature of 20°C on 200 μm thick samples of a commercial (AC grade) XLPE and its nanocomposite which is intended for DC use. It was found that the breakdown…
Dielectric response of filled high temperature vulcanized silicone rubber Open
The dielectric response of three kinds of filled high temperature vulcanization (HTV)
\nsilicone rubber – SiO2 based nanocomposite with different alumina tri-hydrate (ATH)
\nmicro-filler contents are investigated over a wide range of frequ…
The role of bulk charge transport processes in electrical tree formation and breakdown mechanisms in epoxy resins Open
Electrical treeing experiments have been conducted at different temperatures and levels
\nof absorbed moisture in Araldite CY1311 epoxy resin samples above their glass transition
\ntemperature, i.e. when the resin was in a flexible state. …
Self-healing during electrical treeing: A feature of the two-phase liquid-solid nature of silicone gels Open
We report the results of electrical treeing tests carried out on a range of silicone dielectric gel samples made by varying the ratio of the same two components used for cross-linking a commercial silicone gel. These samples range from liq…