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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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Janik, Vit
Coventry University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (31/31 displayed)
- 2024SEM-Guided Finite Element Simulation of Thermal Stresses in Multilayered Suspension Plasma-Sprayed TBCscitations
- 2023Study on the Influence of Nickel Additions on AA7020 Formability Under Superplastic Forming Like Conditionscitations
- 2023Cracking Behavior of Gd2Zr2O7/YSZ Multi-Layered Thermal Barrier Coatings Deposited by Suspension Plasma Spraycitations
- 2022High-Entropy Coatings (HEC) for High-Temperature Applications: Materials, Processing, and Propertiescitations
- 2022High-entropy coatings (HEC) for high-temperature applications : materials, processing, and propertiescitations
- 2020The role of microstructure and local crystallographic orientation near porosity defects on the high cycle fatigue life of an additive manufactured Ti-6Al-4Vcitations
- 2020Correlative analysis of interaction between recrystallization and precipitation during sub-critical annealing of cold-rolled low-carbon V and Ti–V bearing microalloyed steelscitations
- 2019A Gibbs Energy Balance Model for Growth Via Diffusional Growth-Ledgescitations
- 2018A phase-field model investigating the role of elastic strain energy during the growth of closely spaced neighbouring interphase precipitatescitations
- 2018Comparison of superplastic forming abilities of as‐cast AZ91 magnesium alloy prepared by twin roll casting and WE43 magnesium alloycitations
- 2018Quasi in-situ analysis of geometrically necessary dislocation density in α-fibre and γ-fibre during static recrystallization in cold-rolled low-carbon Ti-V bearing microalloyed steelcitations
- 2018Nano-mechanical properties of Fe-Mn-Al-C lightweight steelscitations
- 2017Interphase precipitation - An interfacial segregation modelcitations
- 2017Predicting the warm forming behavior of WE43 and AA5086 alloyscitations
- 2017A phase-field model for interphase precipitation in V-micro-alloyed structural steelscitations
- 2017In-situ characterisation of austenite/ferrite transformation kinetics and modelling of interphase precipitation inter-sheet spacing in V microalloyed HSLA steelscitations
- 2017In-situ heated stage scanning electron microscope analysis and characterisation of recrystallization behaviour of a 7000 series alloy with nickel additionscitations
- 2016Zn Diffusion and α-Fe(Zn) Layer Growth During Annealing of Zn-Coated B Steelcitations
- 2016Effect of grain size distribution on recrystallisation kinetics in a Fe-30Ni model alloy
- 2016Analysis of the extent of interphase precipitation in V-HSLA steels through in-situ characterization of the γ/α transformationcitations
- 2015Application of In-Situ Material Characterization Methods to Describe Role of Mo During Processing of Vbearing Micro-Alloyed Steels
- 2014Role of heating conditions on microcrack formation in zinc coated 22MnB5
- 2014Superplastic forming ability of as-cast AZ91 Mg alloy prepared by twin roll castingcitations
- 2014Elevated Temperature Deformation Behavior of High Strength Al-Cu-Mg-Ag Based Alloy Reinforced by TiB2 Particlescitations
- 2009Microstructural investigation of the failure mechanisms after creep exposure of Mg-Y-Nd-Zn-Mn alloycitations
- 2009Phase composition and morphology development in WE-type alloys modified by high Zn contentcitations
- 2008Creep behaviour of the creep resistant MgY3Nd2Zn1Mn1 alloycitations
- 2008Cavitation and grain boundary sliding during creep of Mg-Y-Nd-Zn-Mn alloycitations
- 2007Creepové Porušování Slitiny MgY3Nd2Zn1Mn1 Lité Metodou Squeeze Casting
- 2007Chemical composition of new copper alloys for machining and its effect on their susceptibility to corrosion crackingcitations
- 2007VLIV Množství Zn Na Mikrostrukturu A Mechanické Vlastnosti Litých Hořčíkových Slitin Typu Mg-Zn-Y-Nd
Places of action
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document
Role of heating conditions on microcrack formation in zinc coated 22MnB5
Abstract
<p>Zinc coated steels for hot press forming are intended to offer active corrosion resistant ultrahigh strength steel for applications in the automotive industry. During hot-press forming, zinc can infiltrate the underlying grain boundaries during the heat and forming step, leading to intergranular cracking of the base metal. In this study, samples of coated 22MnB5 steel were heated in a furnace at temperatures of 880, 900 and 920°C for 240 to 600 s and subsequently hot-formed into U-shaped profiles. Microstructure, morphology and depth of cracks were analysed using conventional optical and scanning electron microscopy, energy dispersive spectroscopy and focused ion beam imaging. The distribution of Zn in the heated coatings and underlying substrate was measured in detail by energy dispersive spectroscopy in transmission electron microscopy with samples taken out from the coating/base metal interfaces applying an in-plane focused ion beam lift-out method. In general the heating conditions do not appear to have effect on the density and spatial distribution of cracking in the top-wall and in the side-wall, but concerning the depth of penetration into the martensite/prior austenite substrate there is clear evidence that with extended heating time and temperature the depth of the penetration into the substrate and also the amount of penetrating cracks inside the top-wall is reduced. However full understanding of the role of heating condition on microcrack formation in zinc coated 22MnB5 has not been achieved at this stage yet; further work is underway and will be published later.</p>