Exploration of the Weibull modulus as a function of surface preparation and flexure testing conditions

Kristin Breder, Andrew A. Wereszczak, Mark J. Andrews

Research output: Contribution to journalConference articlepeer-review

5 Scopus citations

Abstract

Weibull characteristic strength and modulus were studied as a function of machining severity and orientation. The characteristic strength decreased as machining conditions were more aggressive, and longitudinally machined specimens were consistently stronger than transversely machined specimens. The Weibull modulus did not vary systematically with machining conditions, but after pooling data from sets machined under identical conditions, a low Weibull modulus and a poor fit to the Weibull distribution was obtained. The results showed that the lack of reliability of the machining process effectively decreased the Weibull modulus, a critical parameter to be used in the life prediction of machined components.

Original languageEnglish
Pages (from-to)89-97
Number of pages9
JournalCeramic Engineering and Science Proceedings
Volume19
Issue number4
StatePublished - 1998
EventProceedings of the 1998 22nd Annual Conference on Composites, Advanced Ceramics, Materials, and Structures: A. Part 1 (of 2) - Cocoa Beach, FL, USA
Duration: Jan 20 1998Jan 24 1998

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