SSH EN ISO 7539-6:2006

Korrozioni i metaleve dhe lidhjeve - Prova e korrozionit në sforcimPjesa 6: Përgatitja dhe përdorimi i mostrave të parakrisura për provat nën një ngarkesë të pandryshueshme ose zhvendosje të pandryshueshme

Corrosion of metals and alloys - Stress corrosion testing - Part 6: Preparation and use of pre-cracked specimens for tests under constant load or constant displacement (ISO 7539-6:2003)

Scope

ISO 7539-6:2002 covers procedures for designing, preparing and using pre-cracked specimens for investigating susceptibility to stress corrosion. It gives recommendations for the design, preparation and use of pre-cracked specimens for investigating susceptibility to stress corrosion.
The term "metal" as used in this part of ISO 7539 includes alloys.
Because of the need to confine plasticity at the crack tip, pre-cracked 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.