SYMPOSIA PAPER Published: 01 January 1976
STP28641S

Mixed Mode Fracture in Anisotropic Media

Source

Tests were performed on straight-grained timber to give Mode I fractures in three geometries, and satisfactory K1 data were produced. Mode II tests were more difficult to perform, and the data correlated on a constant net section shear stress basis indicated some form of shear yielding failure. The mixed mode tests used tension specimens with the grain at various angles, and very good data were obtained which gave a constant KIc fracture criterion independent of KII.

Author Information

Williams, JG
Imperial College, London, England
Birch, MW
Imperial College, London, England
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Details
Developed by Committee: E08
Pages: 125–137
DOI: 10.1520/STP28641S
ISBN-EB: 978-0-8031-4676-1
ISBN-13: 978-0-8031-0318-4