Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Comparisons of Calculated and Measured Flaw Sizes



George D. Quinn, J Swab


Fracture mechanics often is applied in fractographic analyses in order to verigy that the correct feature has been identified as the fracture origin. This step has been codified in ASTM Standard C1322-96, Standard Practice for the Characterization of Fracture Origins in Advanced Ceramics. Calculated flaw size often is different from the empirically measured flaw size, however. This paper reviews the various factors that may cause this discrepancy and furnishes some examples.
Ceramic Transactions


ceramics, flaws, fractography, fracture mechanics, fracture toughness standard


Quinn, G. and Swab, J. (2001), Comparisons of Calculated and Measured Flaw Sizes, Ceramic Transactions (Accessed July 21, 2024)


If you have any questions about this publication or are having problems accessing it, please contact

Created October 1, 2001, Updated February 19, 2017