Failure analyses of nonceramic insulators: Part II - The brittle fracture model and failure prevention

Maciej S. Kumosa; Lucas S. Kumosa; Daniel L. Armentrout

doi:10.1109/MEI.2005.1489987

Failure analyses of nonceramic insulators: Part II - The brittle fracture model and failure prevention

Maciej S. Kumosa, Lucas S. Kumosa, Daniel L. Armentrout

University of Denver

Research output: Contribution to journal › Article › peer-review

Abstract

An improved version of a brittle fracture model based on the formation of nitric acid in service through corona discharges, ozone, and moisture, is presented and used to explain different modes of brittle fracture. Throughout the work, the insulators are referred to as nonceramic insulators (NCIs). The information given is expected to help the insulator manufacturers and users design, manufacture, and select high quality insulator products.

Original language	English
Pages (from-to)	28-41
Journal	IEEE Electrical Insulation Magazine
Volume	21
Issue number	4
DOIs	https://doi.org/10.1109/MEI.2005.1489987
Publication status	Published - 2005 Jul
Externally published	Yes

Free keywords

Brittle fracture
Composite
Failure modes
Nonceramic
Polymer insulators
Prevention
Stress corrosion cracking

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10.1109/MEI.2005.1489987

Cite this

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abstract = "An improved version of a brittle fracture model based on the formation of nitric acid in service through corona discharges, ozone, and moisture, is presented and used to explain different modes of brittle fracture. Throughout the work, the insulators are referred to as nonceramic insulators (NCIs). The information given is expected to help the insulator manufacturers and users design, manufacture, and select high quality insulator products.",

keywords = "Brittle fracture, Composite, Failure modes, Nonceramic, Polymer insulators, Prevention, Stress corrosion cracking",

author = "Kumosa, {Maciej S.} and Kumosa, {Lucas S.} and Armentrout, {Daniel L.}",

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AB - An improved version of a brittle fracture model based on the formation of nitric acid in service through corona discharges, ozone, and moisture, is presented and used to explain different modes of brittle fracture. Throughout the work, the insulators are referred to as nonceramic insulators (NCIs). The information given is expected to help the insulator manufacturers and users design, manufacture, and select high quality insulator products.

KW - Brittle fracture

KW - Composite

KW - Failure modes

KW - Nonceramic

KW - Polymer insulators

KW - Prevention

KW - Stress corrosion cracking

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DO - 10.1109/MEI.2005.1489987

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JO - IEEE Electrical Insulation Magazine

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ER -

Failure analyses of nonceramic insulators: Part II - The brittle fracture model and failure prevention

Abstract

Free keywords

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