| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Siddiq, M. Amir
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (49/49 displayed)
- 2024Investigating Thermal Dynamic Behavior of Cryogenic Cooling for Low-Energy Impact Fracturing on ISO EN 1.0577 (S355J2) Mild Carbon Steel Grade Offshore Monopile Structures
- 2024The influence of post-thermal treatments on microstructure and mechanical properties in A20X alloy fabricated through powder bed fusioncitations
- 2024Crystal plasticity based constitutive model for deformation in metastable β titanium alloyscitations
- 2023An investigation on the effect of widespread internal corrosion defects on the collapse pressure of subsea pipelinescitations
- 2023Burst pressure of thin-walled pipes with arbitrarily orientated isolated surface corrosion defectcitations
- 2022A Multiscale Constitutive Model for Metal Forming of Dual Phase Titanium Alloys by Incorporating Inherent Deformation and Failure Mechanismscitations
- 2022Effect of Hydrogen and Defects on Deformation and Failure of Austenitic Stainless Steel
- 2021A new route for developing ultrafine-grained Al alloy strips using repetitive bending under tensioncitations
- 2021Mesoscale Model for Predicting Hydrogen Damage in Face Centred Cubic Crystalscitations
- 2021Computational Modelling of Microstructural Deformation in Metastable β Titanium Alloys
- 2020Modelling Hydrogen Induced Stress Corrosion Cracking in Austenitic Stainless Steelcitations
- 2020Mechanical response and microstructure evolution of commercially pure titanium subjected to repetitive bending under tensioncitations
- 2020Mechanical response and microstructure evolution of commercially pure titanium subjected to Repetitive Bending under Tensioncitations
- 2020Hydrogen effect on plastic deformation and fracture in austenitic stainless steel
- 2020Deformation and failure in nanomaterials via a data driven modelling approachcitations
- 2020Crystal Plasticity based Study to Understand the Interaction of Hydrogen, Defects and Loading in Austenitic Stainless Steel Single Crystalscitations
- 2019A porous crystal plasticity constitutive model for ductile deformation and failure in porous single crystalscitations
- 2019A CPFEM based study to understand the void growth in high strength dual-phase Titanium alloy (Ti-10V-2Fe-3Al)citations
- 2019Representative volume element (RVE) based crystal plasticity study of void growth on phase boundary in titanium alloyscitations
- 2019Deformation and failure in nanomaterials via a data driven modelling approach
- 2017Void growth in high strength aluminium alloy single crystals : a CPFEM based studycitations
- 2017Three-dimensional in situ observations of compressive damage mechanisms in syntactic foam using X-ray microcomputed tomographycitations
- 2017Void growth in high strength aluminium alloy single crystalscitations
- 2016Niobium/alumina bicrystal interface fracturecitations
- 2016Peridynamic modeling of composite laminates under explosive loadingcitations
- 2016A Crystal Plasticity Finite Element Method (CPFEM) based study to investigate the effect of microvoids in single crystalline aluminium alloy
- 2016Modelling of Stress-Corrosion Cracking by Using Peridynamicscitations
- 2015A multiscale phenomenological constitutive model for strain rate dependent tensile ductility in nanocrystalline metalscitations
- 2015A multiscale phenomenological constitutive model for strain rate dependent tensile ductility in nanocrystalline metalscitations
- 2014Complex Incremental Sheet Forming Using Back Die Support on Aluminium 2024, 5083 and 7075 alloyscitations
- 2013A multiscale constitutive model for intergranular stress corrosion cracking in type 304 austenitic stainless steelcitations
- 2013Ultrasonic consolidation
- 2013A phenomenological variational multiscale constitutive model for intergranular failure in nanocrystalline materialscitations
- 2012A phenomenological two-phase constitutive model for porous shape memory alloyscitations
- 2012A thermomechanical crystal plasticity constitutive model for ultrasonic consolidationcitations
- 2011Finite element analysis of ultrasonic insertion of SiC fibre in aluminium alloy 6061citations
- 2011Acoustic softening in metals during ultrasonic assisted deformation via CP-FEMcitations
- 2011Fibre embedding in aluminium alloy 3003 using ultrasonic consolidation process-thermo-mechanical analysescitations
- 2010Multiscale simulation of metal/ceramic interface fracturecitations
- 2010Modeling of acoustic softening effects in metals using crystal plasticity theor
- 2009Theoretical and FE analysis of ultrasonic welding of aluminum alloy 3003citations
- 2009Fiber push-out study of a copper matrix composite with an engineered interfacecitations
- 2008Thermomechanical analyses of ultrasonic welding process using thermal and acoustic softening effectscitations
- 2008Ultrasonic consolidation of passive/active fibres in aluminium alloy
- 2008Modelling and characterization of ultrasonic consolidation process of Aluminium alloys
- 2008Niobium/alumina bicrystal interface fracturecitations
- 2007Modelling of crystal plasticity effects on the crack initiation energies of a bi-crystal interface (Nb/Al2O3)
- 2007Fracture of bicrystal metal/ceramic interfacescitations
- 2006Interface fracture analyses of a bicrystal niobium/alumina specimen using a cohesive modelling approachcitations
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article
A new route for developing ultrafine-grained Al alloy strips using repetitive bending under tension
Abstract
In this work, the mechanical behaviour and microstructure changes of AA-7075 alloy subjected to a repetitive-bending-under-tension (R-BUT) process were studied. In the R-BUT process, a metallic strip undergoes repeated localised bending and unbending. Load-displacement curves derived from R-BUT tested samples displayed a drastic increase in elongation to failure as compared to samples subjected to standard tensile tests. Additionally, the results confirmed that the force required to deform the R-BUT samples is much reduced as compared to the load required during simple tension. Finite element analysis confirmed that the sample subjected to the R-BUT process underwent intense shear deformation. Transmission-electron-microscopy (TEM) and electron-backscattered-diffraction (EBSD) analysis of the deformed matrix from the ND-RD plane (through-thickness) exhibited evidence for the formation of fine grains. TEM analysis confirmed that the fine grains formed were in the size range of 200-400 nm. Intense shear deformation experienced by the matrix led to shearing followed by spheroidization of precipitate particles. The influence of precipitate particles on the grain refinement process through Particle Stimulated Nucleation of fine grains in the matrix is also presented. EBSD analysis suggested that a Continuous Dynamic Recrystallisation process is the key mechanism behind the grain refinement in the sample during R-BUT processing.