ISSN: 0090-3973
Published Online: 15 June 2005
Page Count: 6

Weibull Analysis Effective Volume and Effective Area for a Ceramic C-Ring Test Specimen
Duffy, SF
Professor, Cleveland State University, OH

Baker, EH
Principal, Connecticut Reserve Technologies, OH

Wereszczak, AA
Senior Staff Scientist, Oak Ridge National Laboratory, TN

Swab, JJ
Ceramic Research Engineer, US Army Research Laboratory, MD

(Received 8 March 2004; accepted 12 January 2005)

Abstract

C-ring specimen geometries are used to ascertain Weibull parameters for spatially distributed flaw populations in ceramic gun barrels. A review of previously published results used to compute effective areas and effective volumes for this test specimen geometry is presented along with deficiencies associated with these computations. In addition, the results of the numerical analyses presented utilizing finite-element analysis and component level reliability algorithms clearly indicate that geometric constraints called out in the current ASTM standard for C-ring testing must be revised.

Keywords:
ceramics, C-ring test specimens, effective area, effective volume, finite-element analysis, gun barrels, parameter estimation, reliability, Weibull distribution

Paper ID: JTE12617
DOI: 10.1520/JTE12617
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