Retained austenite-aided cyclic plasticity ...
Document type :
Article dans une revue scientifique
Permalink :
Title :
Retained austenite-aided cyclic plasticity of the quenched 9Ni steel
Author(s) :
Cota Araujo, Mahira-Adna [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Vogt, Jean-Bernard [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Bouquerel, Jeremie [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Unité Matériaux et Transformations (UMET) - UMR 8207
Vogt, Jean-Bernard [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Bouquerel, Jeremie [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Journal title :
International Journal of Fatigue
Volume number :
152
Pages :
106445
Publisher :
Elsevier BV
Publication date :
2021-11
ISSN :
0142-1123
English keyword(s) :
Crack nucleation
Martensite
Cyclic softening
Microstructures - extrusion/intrusions
Martensite
Cyclic softening
Microstructures - extrusion/intrusions
HAL domain(s) :
Chimie/Matériaux
Physique [physics]/Matière Condensée [cond-mat]/Science des matériaux [cond-mat.mtrl-sci]
Physique [physics]/Matière Condensée [cond-mat]/Science des matériaux [cond-mat.mtrl-sci]
English abstract : [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 ...
Show more >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%.Show less >
Show more >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%.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Administrative institution(s) :
Université de Lille
CNRS
INRA
ENSCL
CNRS
INRA
ENSCL
Collections :
Submission date :
2021-08-24T07:11:03Z
2021-08-27T06:48:53Z
2021-08-27T06:48:53Z