Non fracture prediction of a C–Mn weld joint in brittle to ductile fracture transition temperature range. Part II: Determination of the stress-based criterion parameters and evaluation of its transferability - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Engineering Fracture Mechanics Année : 2016

Non fracture prediction of a C–Mn weld joint in brittle to ductile fracture transition temperature range. Part II: Determination of the stress-based criterion parameters and evaluation of its transferability

Arnaud Blouin
S. Chapuliot
  • Fonction : Auteur
Stephane Marie
  • Fonction : Auteur

Résumé

This paper evaluates the brittle fracture risk for a C–Mn weld in the brittle-to-ductile transition: the criterion considered is based on a critical stress σth, with the failure probability related to the volume around the crack where the maximum principal stress exceeds σth. In Part II, the criterion is calibrated using more fracture tests at lower temperature. The capacity of the criterion to predict the probabilities of failure is validated. Finally, its transferability to another geometry is evaluated and appears to be possible.
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Dates et versions

hal-01275221 , version 1 (17-02-2016)

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Citer

Arnaud Blouin, S. Chapuliot, Stephane Marie, Christophe Niclaeys, Jean-Michel Bergheau. Non fracture prediction of a C–Mn weld joint in brittle to ductile fracture transition temperature range. Part II: Determination of the stress-based criterion parameters and evaluation of its transferability. Engineering Fracture Mechanics, 2016, 156, pp.68-82. ⟨10.1016/j.engfracmech.2015.09.054⟩. ⟨hal-01275221⟩
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