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Norm

ISO 12108:2002

Ausgabedatum: 2002 11 27

Metallic materials — Fatigue testing — Fatigue crack growth method

ISO 12108 is intended to provide specifications for generation of fatigue crack growth rate data. Test results are expressed in terms of the fatigue crack growth rate as ...
ZURÜCKGEZOGEN: 2012 08 14
Herausgeber:
International Organization for Standardization
Format:
Digital | 39 Seiten
Sprache:
Englisch
Aktuell Gültig:

ISO 12108 is intended to provide specifications for generation of fatigue crack growth rate data. Test results are expressed in terms of the fatigue crack growth rate as a function of crack-tip stress intensity factor range as defined by the theory of linear elastic fracture mechanics.

This International Standard describes a method of subjecting a precracked notched specimen to a cyclic force. The crack length is measured as a function of the number of elapsed force cycles. From the collected crack length and corresponding force cycles relationship the fatigue crack growth rate is determined and is expressed as a function of stress intensity factor range.

ISO 12018 describes tests for determining the fatigue crack growth rate from the threshold stress-intensity factor range to the onset of unstable crack extension as the maximum stress intensity factor approaches controlled instability. It is primarily intended for use in evaluating isotropic metallic materials under predominantly linear-elastic stress conditions and with force applied only perpendicular to the crack plane (mode I stress condition), and with a constant stress ratio.

ISO 12108:2018
2018 07 18
Metallic materials — Fatigue testing — Fatigue crack growth method
Norm
ISO 12108:2012
2012 08 14
Metallic materials — Fatigue testing — Fatigue crack growth method
Norm
ISO 12108:2002
2002 11 27
Metallic materials — Fatigue testing — Fatigue crack growth method
Norm
Norm
ISO 12108:2012
Ausgabedatum : 2012 08 14
Metallic materials — Fatigue testing — Fatigue crack growth method