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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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Mayer, Joachim
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (30/30 displayed)
- 2024The effect of Laves phases and nano-precipitates on the electrochemical corrosion resistance of Mg-Al-Ca alloys under alkaline conditionscitations
- 2024Natural and artificial aging behaviour of Al-Cu-Mg-Ag-Ti-B (A205) alloy processed by laser powder bed fusion: Strengthening mechanisms and failure analysiscitations
- 2023Improved Route to Linear Triblock Copolymers by Coupling with Glycidyl Ether-Activated Poly(ethylene oxide) Chainscitations
- 2023Three-dimensional printing of silica glass with sub-micrometer resolutioncitations
- 2023Three-dimensional printing of silica glass with sub-micrometer resolutioncitations
- 2023Microstructure stability and self-diffusion in the equiatomic HfScTiZr HCP multi-principal element alloycitations
- 2023Role of Fe/Co Ratio in Dual Phase Ce0.8Gd0.2O2−δ–Fe3−xCoxO4 Composites for Oxygen Separationcitations
- 2023Mechanistic study of dark etching regions in bearing steels due to rolling contact fatiguecitations
- 2023Mechanistic study of dark etching regions in bearing steels due to rolling contact fatiguecitations
- 2023Laves phases in Mg-Al-Ca alloys and their effect on mechanical properties
- 2023Coherent twin-oriented Al3Sc-based precipitates in Al matrixcitations
- 2023Development of a Bioreactor-Coupled Flow-Cell Setup for 3D In Situ Nanotomography of Mg Alloy Biodegradationcitations
- 2022Residual Stress Reduction with the LTT Effect in Low Carbon Manganese-Steel through Chemical Composition Manipulation Using Dissimilar Filler Material in Laser Beam Weldingcitations
- 2022Simulation of the fatigue crack initiation in SAE 52100 martensitic hardened bearing steel during rolling contact
- 2022Elucidation of formation and transformation mechanisms of Ca-rich Laves phase in Mg-Al-Ca-Mn alloyscitations
- 2022Proximity-induced superconductivity in (Bi1−xSbx)2Te3 topological-insulator nanowirescitations
- 2021Measurement of polarization effects in dual-phase ceria-based oxygen permeation membranes using Kelvin probe force microscopycitations
- 2021Investigation of Alloy‐Dependent Occurrence of Ferromagnetism in Carbon‐Expanded Austenitic Steel after Low‐Temperature Surface Hardening
- 2021Temperature dependent partitioning mechanisms and its associated microstructural evolution in a CMnSiAl quenching and partitioning (Q&P) steelcitations
- 2021Atomic Structure and Electron Magnetic Circular Dichroism of Individual Rock Salt Structure Antiphase Boundaries in Spinel Ferritescitations
- 2021Structural Phase Transition and In-Situ Energy Storage Pathway in Nonpolar Materials: A Reviewcitations
- 2020Antiphase Boundaries Constitute Fast Cation Diffusion Paths in SrTiO3 Memristive Devices
- 2020Antiphase Boundaries Constitute Fast Cation Diffusion Paths in SrTiO3 Memristive Devicescitations
- 2020Combined κ-carbide precipitation and recovery enables ultra-high strength and ductility in light-weight steelscitations
- 2020A Nanoscale Study of Thermally Grown Chromia on High-Cr Ferritic Steels and Associated Oxidation Mechanismscitations
- 2017Electron microscopy investigations of microstructural alterations due to classical Rolling Contact Fatigue (RCF) in martensitic AISI 52100 bearing steelcitations
- 2017Microstructural changes in White Etching Cracks (WECs) and their relationship with those in Dark Etching Region (DER) and White Etching Bands (WEBs) due to Rolling Contact Fatigue (RCF)citations
- 2016MOVPE and characterization of rhombohedral Ge1Sb2Te4/Si(111)
- 2011Au@Hg Nanoalloy Formation Through Direct Amalgamation: Structural, Spectroscopic, and Computational Evidence for Slow Nanoscale Diffusioncitations
- 2008Novel carbon nanosheets as support for ultrahigh-resolution structural analysis of nanoparticlescitations
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document
Laves phases in Mg-Al-Ca alloys and their effect on mechanical properties
Abstract
Mg-Al-Ca alloys with Laves phase reinforcement are suitable for structural applications. The composition, crystal structure, and distribution of Laves phases can be tuned by the alloy composition and heat treatment, which subsequently influence their mechanical properties. In this study, three model alloys Mg-6Al-2Ca, Mg-5Al-3Ca and Mg-4Al-4Ca were investigated, which include C15, C36, and C14 Laves phases. The as-cast alloys have interconnected Laves phases that form a skeleton structure. After annealing, they became more rounded particles, while the metastable C36 phase was transformed to C15. The Laves phases in different crystal structures exhibit distinct ranges of chemical compositions and lattice parameters. Well defined orientation relationships were observed between small C15 platelets and the Mg matrix (Mg(0002) // C15(1 1 1), Mg[112̅0] // C15[112̅]). Another pair of parallel orientations was found between Mg(11̅01) and the c-plane of hexagonal C36/C14. Nevertheless, most coarsened Laves phases have incoherent interfaces with the matrix and hinder dislocation slip transfer. The annealed alloys have lower yield strength than their as-cast counterparts, but higher ductility or ultimate tensile strength. The yield strengths of as-cast alloys are correlated to the interconnectivity of the skeleton, whereas those of annealed alloys are related to the spacing between Laves phases.