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Dielectric Test Methods for Evaluating Sparkplug Insulators

Journal Article
2019-01-0928
ISSN: 2641-9637, e-ISSN: 2641-9645
DOI: https://doi.org/10.4271/2019-01-0928
Published April 02, 2019 by SAE International in United States
Dielectric Test Methods for Evaluating Sparkplug Insulators
Sector:
Citation: Zheng, J., Overton, D., Eiden, C., and Treier, P., "Dielectric Test Methods for Evaluating Sparkplug Insulators," SAE Int. J. Adv. & Curr. Prac. in Mobility 1(4):1435-1443, 2019, https://doi.org/10.4271/2019-01-0928.
Language: English

Abstract:

Dielectric testing is essential in developing ceramic insulators for spark plugs used in modern engine platforms. Many test methods are developed for different materials and applications. At Autolite, parallel plate dielectric testing based on the ASTM standard was used for material evaluation. The paper will cover the factors that influence the measurements in these tests as well as a comparison of insulator materials from different spark plug manufacturers. Furthermore, to better evaluate the performance of final product, Autolite developed a proprietary engine dielectric test method for spark plugs. The test method is compared with most conventional tests in the automotive industry, and the performance of spark plugs using Autolite conventional and next gen ceramic will be reported.

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