SYMPOSIA PAPER Published: 01 January 1986
STP17420S

Extension of Surface Cracks During Cyclic Loading

Source

The extension of semielliptical surface cracks in plates under cyclic tension and cyclic bending loading has been investigated. The analytical results compared different assumptions, applying local and weighted averaged ΔK values and the effect of crack closure. The experimental results showed that the developing crack front can be described fairly accurately by semiellipses. Applying local ΔK values for the prediction underestimates the developing crack aspect ratio a/c. Applying the weighted averaged ΔK or a crack closure factor improves the prediction.

Author Information

Müller, HM
University of Karlsruhe, Karlsruhe, West Germany
Müller, S
Karlsruhe Nuclear Research Center, Karlsruhe, West Germany
Munz, D
University of Karlsruhe, Karlsruhe, West Germany Karlsruhe Nuclear Research Center, Karlsruhe, West Germany
Neumann, J
University of Karlsruhe, Karlsruhe, West Germany
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Details
Developed by Committee: E08
Pages: 625–643
DOI: 10.1520/STP17420S
ISBN-EB: 978-0-8031-4972-4
ISBN-13: 978-0-8031-0472-3