A Comparison of CMOD-Based CTOD and J-Conversion CTOD in Shallow Crack Specimens

Abstract:

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The ratio of J-conversion CTOD to CMOD-based CTOD was experimentally evaluated and analytically estimated in shallow crack specimens. It was demonstrated that the low strain hardening exponent in the Ramberg-Osgood relation reduced the CTOD ratio. A CTOD transformation equation, which was proposed by the authors, can transform CMOD-based CTOD into J-conversion CTOD with reasonable accuracy for 0.15≤a/W≤0.5.

Info:

Periodical:

Key Engineering Materials (Volumes 452-453)

Edited by:

A. Saimoto and M.H. Aliabadi

Pages:

769-772

DOI:

10.4028/www.scientific.net/KEM.452-453.769

Citation:

Y. Kayamori et al., "A Comparison of CMOD-Based CTOD and J-Conversion CTOD in Shallow Crack Specimens", Key Engineering Materials, Vols. 452-453, pp. 769-772, 2011

Online since:

November 2010

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Price:

$35.00

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