SYMPOSIA PAPER Published: 01 January 1985
STP34538S

Suggestions for a Modification of ASTM E 813

Source

Some modifications of the present procedure for the determination of JIc are proposed to ensure better consistency of data. A new blunting line is proposed, which takes advantage of recent theoretical work concerning the crack-tip behavior and which shows good agreement with fractographical data. JIc is that point on the initial part of the R curve that is determined by the intersection of the R curve with an intercept line parallel to and by an amount Δa off the blunting line.

Author Information

Schwalbe, K-H
GKSS Research Center Geesthact, Geethacht, Federal Republic of Germany
Heerens, J
GKSS Research Center Geesthact, Geethacht, Federal Republic of Germany
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Details
Developed by Committee: E08
Pages: 411–416
DOI: 10.1520/STP34538S
ISBN-EB: 978-0-8031-4923-6
ISBN-13: 978-0-8031-0419-8