Résumé
Two methods for evaluating cycle life extension by partial pressure cycles based on the Goodman diagram and exponential formula are presented in ISO 19884-1. These methods do not rely on fracture mechanical methodology but on pressurizing cycle test data, since the framework of ISO 19884-1 is constructed on performance demonstrated by pressurizing cycle test data in hydrogen. This document describes detailed methods with necessary conditions with example data of their application.
Informations générales
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État actuel: ProjetDate de publication: 2026-06Stade: Norme internationale en cours de publication [60.00]
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Edition: 1
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Comité technique :ISO/TC 197
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