SYMPOSIA PAPER Published: 01 January 2005

Assessment of Plane Stress Tearing in Terms of Various Crack Driving Parameters


The important role of mechanical parameters characterizing the global fracture behavior of a thin rectangular plate is demonstrated through comparison of various approaches to the investigation of ductile tearing at large amounts of stable crack extension. Tensile tests have been performed on middle-cracked specimens at different in-plane constraint states and on cruciform specimens. The latter geometry is treated as a physical counterpart of the basic structural element usually considered in model descriptions of tension- and/or compression-dominant crack geometries. Attention is focused on the simplest practical problem, namely, assessing the critical states of a center through crack under remote uniaxial tension. The case in point is a comprehensive assessment of the structural behavior of a thin-wall component where failure loads, displacements, and subcritical crack extensions must all be predicted from the crack growth data for a laboratory-size specimen of standard geometry.

Author Information

Naumenko, VP
G.S. Pisarenko Institute for Problems of Strength, Kyiv, Ukraine
Volkov, GS
G.S. Pisarenko Institute for Problems of Strength, Kyiv, Ukraine
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Developed by Committee: E08
Pages: 182–202
DOI: 10.1520/STP11494S
ISBN-EB: 978-0-8031-5505-3
ISBN-13: 978-0-8031-2410-3