Article Dans Une Revue Engineering Fracture Mechanics Année : 2025

A simple criterion to exclude the risk of brittle fracture in the brittle-to-ductile transition temperature range

Résumé

This paper presents the use of a simple threshold stress criterion to exclude the risk of brittle fracture in the brittle-to-ductile transition temperature range of carbon-manganese ferritic steel. In order to compare its predictions for laboratory specimens as well as for structures, fracture tests on CT specimens and three pipe structures representative of the in-service auxiliary piping system of French PWR, were analysed. In association with Finite Element analyses, this criterion allowed the authors to predict a lower bound of the non-fracture threshold.
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vendredi 20 juin 2025
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hal-04850478 , version 1 (20-12-2024)

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Déborah Clement, C. Jacquemoud, S. Chapuliot, S. Marie. A simple criterion to exclude the risk of brittle fracture in the brittle-to-ductile transition temperature range. Engineering Fracture Mechanics, 2025, 314, pp.110739. ⟨10.1016/j.engfracmech.2024.110739⟩. ⟨hal-04850478⟩
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