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

C Amzallag; P Rabbe; C Bathias; D Benoit; M Truchon

doi:10.1520/STP33450S

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 (ΔK_th) of 2618 aluminium alloy and AISI 316 steel. The main purpose was to develop a method for the determination of ΔK_th, 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

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

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