SYMPOSIA PAPER Published: 01 January 1981
STP33450S

Influence of Various Parameters on the Determination of the Fatigue Crack Arrest Threshold

Source

This report presents the results of a round-robin work on the fatigue crack arrest threshold (ΔKth) of 2618 aluminium alloy and AISI 316 steel. The main purpose was to develop a method for the determination of ΔKth, and to examine the influence of various test parameters on this threshold. Among the parameters considered, only the load ratio (R) and the environment (vacuum) appear to have a significant influence on very slow fatigue crack growth rates (FCGR). Moreover, while the results obtained with the 316 steel show a great scatter, the importance of the adopted procedure is pointed out.

Author Information

Amzallag, C
Creusot-Loire, Centre de Recherches, Firminy, France
Rabbe, P
Creusot-Loire, Centre de Recherches, Firminy, France
Bathias, C
Université de Technologie de Compiègne, Compiègne, France
Benoit, D
Institut de Recherches de la Sidérurgie Française, Saint Germain-enLaye, France
Truchon, M
Institut de Recherches de la Sidérurgie Française, Saint Germain-enLaye, France
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Details
Developed by Committee: E08
Pages: 29–44
DOI: 10.1520/STP33450S
ISBN-EB: 978-0-8031-4804-8
ISBN-13: 978-0-8031-0717-5