SYMPOSIA PAPER Published: 01 January 1988
STP33081S

Application of the Concept to Fatigue Crack Growth in Large-Scale Yielding

Source

Fatigue crack propagation tests were performed on compact tension specimens of AISI 316 steel, in the elastic-plastic and plastic regions. The parameter ΔJ was chosen to characterize propagation. Results show that there is a Paris law type correlation between propagation rate and ΔJ. An effect on propagation rate, which is attributed to the R = Pmin/Pmax ratio, has been noted.

A numerical verification of the applicability of the ΔJ concept was determined by use of a theoretical equation. These results were compared with experimental results.

Author Information

Lambert, Y
Université de Compiegne, Groupe Mécanique, Compiegne, France
Saillard, P
Framatome, Centre de Calcul, Saint Marcel, France
Bathias, C
Université de Compiegne, Groupe Mécanique, Compiegne, France
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Developed by Committee: E08
Pages: 318–329
DOI: 10.1520/STP33081S
ISBN-EB: 978-0-8031-5041-6
ISBN-13: 978-0-8031-0972-8