Single-Specimen Tests for Determination—Revisited

GA Clarke

doi:10.1520/STP28818S

SYMPOSIA PAPER Published: 01 January 1981

STP28818S

Single-Specimen Tests for Determination—Revisited

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Since the development of the unloading compliance method, numerous improvements to this J_Ic and J-R curve testing procedure have occurred over the past five years. This paper presents a description of many of these test technique improvements along with the results of the improvements.

Improvements in both mechanical and electrical systems are shown to greatly improve the reproducibility of the unloading compliance data. Computerization of the data reduction has led to a better understanding of the requirements necessary for an accurate J-versus-Δa R-curve.

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Clarke, GA

Westinghouse R&D Center, Pittsburgh, Pa.

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Developed by Committee: E08

Pages: 553–575

DOI: 10.1520/STP28818S

ISBN-EB: 978-0-8031-4809-3

ISBN-13: 978-0-8031-0732-8

Single-Specimen Tests for Determination—Revisited

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