Search Results - "Bouaziz, O."
-
1
Strain-hardening of twinning-induced plasticity steels
Published in Scripta materialia (01-06-2012)“…The mechanisms of and the different theoretical approaches dedicated to the strain hardening of twinning-induced plasticity steels are presented and discussed…”
Get full text
Journal Article -
2
Effect of grain and twin boundaries on the hardening mechanisms of twinning-induced plasticity steels
Published in Scripta materialia (01-03-2008)“…New experimental data related to the grain size and the Bauschinger effects have been obtained from a high-manganese austenitic twinning-induced plasticity…”
Get full text
Journal Article -
3
High manganese austenitic twinning induced plasticity steels: A review of the microstructure properties relationships
Published in Current opinion in solid state & materials science (01-08-2011)“…► TWIP steels exhibit a breakthrough combination of strength/ductility. ► A significant increase in TWIP steel development activity has occurred during the…”
Get full text
Journal Article -
4
Influence of addition elements on the stacking-fault energy and mechanical properties of an austenitic Fe–Mn–C steel
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (15-06-2008)“…We present a thermochemical model of the stacking-fault energy (SFE) in the Fe–Mn–C system with few percent of Cu, Cr, Al and Si in addition. Aluminium…”
Get full text
Journal Article Conference Proceeding -
5
Evolution of microstructure and mechanical properties of medium Mn steels during double annealing
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (30-04-2012)“…► Ultrafine microstructure of ferrite, retained austenite and/or martensite. ► Double morphology of microstructural features: lath-like and polygonal. ► Mn…”
Get full text
Journal Article -
6
Damage and fracture of dual-phase steels: Influence of martensite volume fraction
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (14-10-2015)“…The influence of the martensite volume fraction (Vm) on the damage and fracture behavior of dual-phase steels was studied by combining experiments and…”
Get full text
Journal Article -
7
Validation of void growth models using X-ray microtomography characterization of damage in dual phase steels
Published in Acta materialia (01-12-2011)“…In situ tensile tests were carried out during X-ray microtomography imaging of three steels: a single phase ferritic steel, a dual phase steel and a fully…”
Get full text
Journal Article -
8
Geometrically induced strain hardening
Published in Scripta materialia (01-01-2013)“…The concept of geometrically induced strain hardening is presented in order to demonstrate how the strain hardening of materials can be improved by the use of…”
Get full text
Journal Article -
9
The influence of microstructure and composition on the plastic behaviour of dual-phase steels
Published in Acta materialia (01-07-2014)“…This paper presents a systematic experimental study of the relative contributions of the martensite volume fraction, morphology and carbon content to the…”
Get full text
Journal Article -
10
Initiation and growth of damage in a dual-phase steel observed by X-ray microtomography
Published in Acta materialia (01-10-2008)“…In situ tensile tests have been carried out on a high-strength, dual-phase steel. These experiments show that it is possible to follow and quantify the…”
Get full text
Journal Article -
11
Characterization and modeling of void nucleation by interface decohesion in dual phase steels
Published in Scripta materialia (01-11-2010)“…In situ tensile tests have been carried out during X-ray microtomography imaging of dual phase steels. Void nucleation has been quantified as a function of…”
Get full text
Journal Article -
12
Modelling of TWIP effect on work-hardening
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (01-12-2001)“…Austenitic steels can exhibit both high strength and ductility due to a particularly high work hardening rate. Among all the possible deformation modes for…”
Get full text
Journal Article Conference Proceeding -
13
Correlations between the calculated stacking fault energy and the plasticity mechanisms in Fe–Mn–C alloys
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (15-12-2004)“…A model is proposed for the evaluation of the stacking fault energy (SFE) in Fe–Mn–C austenitic alloys, at different temperatures. It accounts for the…”
Get full text
Journal Article -
14
Experimental investigation of void coalescence in a dual phase steel using X-ray tomography
Published in Acta materialia (01-10-2013)“…In situ tensile tests were carried out during X-ray microtomography imaging of a smooth and a notched specimen of dual phase steel. The void coalescence was…”
Get full text
Journal Article -
15
A Novel Strong and Ductile TWIP/Martensite Steel Composite
Published in Advanced engineering materials (01-01-2016)“…A novel bi‐layered steel composite consisting of a martensitic steel and a high manganese twinning‐induced plasticity (TWIP) steel has been fabricated by roll…”
Get full text
Journal Article -
16
A physical model of the twinning-induced plasticity effect in a high manganese austenitic steel
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (15-12-2004)“…The steel Fe–22 wt.% Mn–0.6 wt.% C exhibits a low stacking fault energy (SFE) at room temperature. This rather low value promotes mechanical twinning along…”
Get full text
Journal Article -
17
Microstructure based modeling for the mechanical behavior of ferrite–pearlite steels suitable to capture isotropic and kinematic hardening
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (25-11-2008)“…This study proposes a new microstructure based model for the mechanical behavior of non-microalloyed ferrite–pearlite steels. Its main originality consists in…”
Get full text
Journal Article -
18
Damage evolution in TWIP and standard austenitic steel by means of 3D X ray tomography
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (01-09-2013)“…The evolution of ductile damage of Fe-22Mn-0.6C austenitic TWIP steel by means of 3D X ray tomography in-situ tensile tests is reported for the first time. The…”
Get full text
Journal Article -
19
Towards the microstructure design of DP steels: A generic size-sensitive mean-field mechanical model
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (01-06-2015)“…An original mean field composite model able to explain and quantify the tensile behavior of as-quenched dual phase (DP) Ferrite-Martensite steels based on the…”
Get full text
Journal Article -
20
Characterization and modeling of mechanical behavior of quenching and partitioning steels
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (01-01-2015)“…Q&P annealing was applied to cold rolled carbon–manganese steel with Si. Q&P cycles with different partitioning temperature and time were simulated and the…”
Get full text
Journal Article