SYMPOSIA PAPER Published: 01 January 1992

A New Method to Test Crack-Arrest Toughness by Using Three-Point Bend Specimens


This paper demonstrates the applicability of small and simple specimens to measure crack-arrest toughness, KIa. Specimens used up to now were large or of complicated geometry. Using small instrumented three-point bend specimens of simple geometry, possibilities and limitations were investigated. KIa values measured on compact crack arrest specimens and, respectively, by using three-point bend specimens have been compared. The results of such investigations on steel A 533 grade B class 1 are shown.

Author Information

Varga, T
University of Technology Vienna, Vienna, Austria
Schneeweiss, G
University of Technology Vienna, Vienna, Austria
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Developed by Committee: E08
Pages: 134–146
DOI: 10.1520/STP15521S
ISBN-EB: 978-0-8031-5192-5
ISBN-13: 978-0-8031-1429-6