Weibull Analysis Effective Volume and Effective Area for a Ceramic C-Ring Test Specimen
Duffy, S
Civil Engineering Department, Cleveland State University, Cleveland, OH

Baker, E
Connecticut Reserve Technologies, LLC, Cleveland, OH

Wereszczak, A
Oak Ridge National Laboratory, Oak Ridge, TN

Swab, J
US Army Research Laboratory, Aberdeen Proving Grounds, Oak Ridge, 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, C-ring test specimens, effective area, effective volume, finite-element analysis, gun barrels, parameter estimation, reliability, Weibull analysis, Weibull distribution

Paper ID: JTE12617
DOI: 10.1520/JTE12617

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Author Duffy, S Affiliation Civil Engineering Department, Cleveland State University, Cleveland, OH Author Baker, E Affiliation Connecticut Reserve Technologies, LLC, Cleveland, OH Author Wereszczak, A Affiliation Oak Ridge National Laboratory, Oak Ridge, TN Author Swab, J Affiliation US Army Research Laboratory, Aberdeen Proving Grounds, Oak Ridge, MD Author Duffy SF, Baker EH, Wereszczak AA, Swab JJ Title Weibull Analysis Effective Volume and Effective Area for a Ceramic C-Ring Test Specimen Symposium , Committee on