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| Naji, M. |
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| Petrov, R. H. | Madrid |
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| Azevedo, Nuno Monteiro |
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Bouquerel, Jeremie
École Nationale Supérieure de Chimie de Lille
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2023Compelling Evidence for the Role of Retained Austenite in the Formation of Low Cycle Fatigue Extrusions in a 9Ni Steel
- 2021Impact of a heat treatment on the microstructure and the low cycle fatigue properties of a 9Ni steel
- 2021Impact of a heat treatment on the microstructure and the low cycle fatigue properties of a 9Ni steel
- 2021Study of the effect of the heat treatment parameters on the pearlitic transformation of an eutectoid steel wire
- 2021Study of the effect of the heat treatment parameters on the pearlitic transformation of an eutectoid steel wire
- 2021Retained austenite-aided cyclic plasticity of the quenched 9Ni steelcitations
- 2021Experimental mesoscopic investigation of the local cyclic plasticity of a non-oriented electrical steelcitations
- 2020Stability of fatigue cracks at 350 °C in air and in liquid metal in T91 martensitic steelcitations
- 2020Relations between microstructure and hardness of plain carbon steels using eddy current technique
- 2019Investigation of the Microstructure and Properties of TRIP 800 Steel Subjected to Low-Cycle Fatiguescitations
- 2019Influence of steel cleanliness on drawability of fine filaments with high tensile strengthcitations
- 2018Advanced processing of EBSD data to distinguish the complex microstructure evolution of a Cu-Ni-Si alloy induced by fatiguecitations
- 2018Behaviour of short and long cracks in air and in liquid metal in T91 steelcitations
- 2018Behaviour of short and long cracks in air and in liquid metal in T91 steelcitations
- 2018Cyclic Strain Localization Assessment by Advanced Microscopies
- 2015The electron microanalyzer (EPMA): a powerful device for the microanalysis of filled polymeric materialscitations
- 2013Effect of the forming process on the microstructure of aluminium parts for collective transports
- 2011Effect of heat treatment on liquid sodium embrittlement of T91 martensitic steelcitations
- 2008SIMULATION OF THE STATIC MECHANICAL BEHAVIOUR OF TRIP STEELS BY MICRO-MECHANICAL MODELLING
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article
Retained austenite-aided cyclic plasticity of the quenched 9Ni steel
Abstract
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%.