SYMPOSIA PAPER Published: 01 January 1985
STP36232S

Fatigue of Steel Wire Under Combined Tensile and Shear Loading Conditions

Source

Combined tension and torsion fatigue tests were performed on low- and high-carbon steel wires in the annealed (namely, patented) and drawn condition. It is shown how, with increasing shear to tensile stress ratio, a maximum tensile stress criterion dictates the orientation of the Mode I fatigue cracks in the annealed specimens. This is also the case in drawn wires when the tensile loading component predominates. However, when shear loading predominates and in heavily drawn material where structural and crystallographic anisotropy are well pronounced, easy paths for crack propagation parallel to the wire axis are created and correspondingly Mode II cracks occur.

Author Information

Verpoest, I
Department Metaalkunde, K. U. Leuven de Croylaan, Leuven, Belgium
Notohardjono, BD
Mechanical Engineering Department, University of Wisconsin Madison, Madison, WI
Aernoudt, E
Department Metaalkunde, K. U. Leuven de Croylaan, Leuven, Belgium
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Details
Developed by Committee: E08
Pages: 361–377
DOI: 10.1520/STP36232S
ISBN-EB: 978-0-8031-4921-2
ISBN-13: 978-0-8031-0444-0