Influence of Specimen Size and Shape on the Singularity-Dominated Zone

R Chona; GR Irwin; RJ Sanford

doi:10.1520/STP37084S

SYMPOSIA PAPER Published: 01 January 1983

STP37084S

Influence of Specimen Size and Shape on the Singularity-Dominated Zone

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Improved computational methods have been used to determine, from photoelastic fracture patterns, those stress field parameters (in addition to the stress-intensity factor) that are associated with different fracture test specimen geometries. The variations with crack tip position of these nonsingular terms in modified-compact-tension and rectangular-double-cantilever-beam specimens have been studied. The results have been utilized to formulate criteria that can be used to quantify the concept of the singularity-dominated zone around a crack tip in specimens of finite dimensions.

Author Information

Chona, R

University of Maryland, College Park, Md.

Irwin, GR

University of Maryland, College Park, Md.

Sanford, RJ

University of Maryland, College Park, Md.

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Details

Developed by Committee: E08

Pages: 3–23

DOI: 10.1520/STP37084S

ISBN-EB: 978-0-8031-4857-4

ISBN-13: 978-0-8031-0728-1

Influence of Specimen Size and Shape on the Singularity-Dominated Zone

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