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Norm

ÖNORM EN ISO 7539-6

Issue date: 2018 11 15

Corrosion of metals and alloys - Stress corrosion testing - Part 6: Preparation and use of precracked specimens for tests under constant load or constant displacement (ISO 7539-6:2018)

This document specifies procedures for designing, preparing and using precracked specimens for investigating susceptibility to stress corrosion. It gives recommendations ...
Withdrawn: 2019 04 01
This document specifies procedures for designing, preparing and using precracked specimens for investigating susceptibility to stress corrosion. It gives recommendations for the design, preparation and use of precracked specimens for investigating susceptibility to stress corrosion. Recommendations concerning notched specimens are given in Annex A. The term “metal” as used in this document includes alloys. Because of the need to confine plasticity at the crack tip, precracked specimens are not suitable for the evaluation of thin products, such as sheet or wire, and are generally used for thicker products including plate bar and forgings. They can also be used for parts joined by welding. Precracked specimens can be loaded with equipment for application of a constant load or can incorporate a device to produce a constant displacement at the loading points. Tests conducted under increasing displacement or increasing load are dealt with in ISO 7539-9. A particular advantage of precracked specimens is that they allow data to be acquired, from which critical defect sizes, above which stress corrosion cracking can occur, can be estimated for components of known geometry subjected to known stresses. They also enable rates of stress corrosion crack propagation to be determined. The latter data can be taken into account when monitoring parts containing defects during service.
ÖNORM EN ISO 7539-6
2019 04 01
Corrosion of metals and alloys - Stress corrosion testing - Part 6: Preparation and use of precracke...
Norm
ÖNORM EN ISO 7539-6
2018 11 15
Corrosion of metals and alloys - Stress corrosion testing - Part 6: Preparation and use of precracke...
Norm
ÖNORM EN ISO 7539-6
2012 01 01
Corrosion of metals and alloys - Stress corrosion testing - Part 6: Preparation and use of precracke...
Norm
ÖNORM EN ISO 7539-6
2003 08 01
Corrosion of metals and alloys - Stress corrosion testing - Part 6: Preparation and use of pre-crack...
Norm
ÖNORM EN ISO 7539-6
1995 08 01
Corrosion of metals and alloys - Stress corrosion testing - Part 6: Preparation and use of pre-crack...
Norm
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Norm
ISO 7539-1:2012
Issue date : 2012 12 14
Corrosion of metals and alloys — Stress corrosion testing — Part 1: General guidance on testing procedures
Norm
ÖNORM EN ISO 7539-6
Issue date : 2019 04 01
Corrosion of metals and alloys - Stress corrosion testing - Part 6: Preparation and use of precracked specimens for tests under constant load or constant displacement (ISO 7539-6:2018, Corrected version 2018-11)
Norm
ISO 7539-6:2018
Issue date : 2018 08 22
Corrosion of metals and alloys — Stress corrosion testing — Part 6: Preparation and use of precracked specimens for tests under constant load or constant displacement (Corrected version 2018-11)