Retained austenite-aided cyclic plasticity ...
Type de document :
Article dans une revue scientifique
URL permanente :
Titre :
Retained austenite-aided cyclic plasticity of the quenched 9Ni steel
Auteur(s) :
Cota Araujo, Mahira A. [Auteur]
Vogt, Jean-Bernard [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Bouquerel, Jérémie [Auteur]
Vogt, Jean-Bernard [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Bouquerel, Jérémie [Auteur]
Titre de la revue :
International Journal of Fatigue
Nom court de la revue :
International Journal of Fatigue
Pagination :
106445
Éditeur :
Elsevier BV
Date de publication :
2021-11
ISSN :
0142-1123
Résumé en anglais : [en]
This study focuses on the low cycle fatigue mechanism of the quenched 9Ni martensitic steel containing retained
austenite films at martensite laths. HRTEM and EBSD suggested that extrusions developed along Low Angle
Boundaries ...
Lire la suite >This study focuses on the low cycle fatigue mechanism of the quenched 9Ni martensitic steel containing retained austenite films at martensite laths. HRTEM and EBSD suggested that extrusions developed along Low Angle Boundaries or along High Angle Boundaries at low and high strain respectively. Short cracks grew along LAB at low strain while they used any kind of boundary as well as crossed the martensite laths at high strain. Retained austenite allowed a flowing of matter along interfaces by acting as a lubricant. Consequently, the Coffin-Manson relation exhibited a bilinearity with a change in curve slope at Δεt = 1%.Lire moins >
Lire la suite >This study focuses on the low cycle fatigue mechanism of the quenched 9Ni martensitic steel containing retained austenite films at martensite laths. HRTEM and EBSD suggested that extrusions developed along Low Angle Boundaries or along High Angle Boundaries at low and high strain respectively. Short cracks grew along LAB at low strain while they used any kind of boundary as well as crossed the martensite laths at high strain. Retained austenite allowed a flowing of matter along interfaces by acting as a lubricant. Consequently, the Coffin-Manson relation exhibited a bilinearity with a change in curve slope at Δεt = 1%.Lire moins >
Langue :
Anglais
Comité de lecture :
Oui
Audience :
Non spécifiée
Établissement(s) :
Université de Lille
CNRS
INRA
ENSCL
CNRS
INRA
ENSCL
Collections :
Date de dépôt :
2021-08-24T07:11:03Z