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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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Springer, Hauke
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Topics
Publications (25/25 displayed)
- 2024Sustainable Ironmaking Toward a Future Circular Steel Economy: Exploiting a Critical Oxygen Concentration for Metallurgical Cu Removal from Scrap‐Based Meltscitations
- 2024Circular Steel for Fast Decarbonization: Thermodynamics, Kinetics, and Microstructure Behind Upcycling Scrap into High-Performance Sheet Steelcitations
- 2024Green steel from red mud through climate-neutral hydrogen plasma reductioncitations
- 2024Green steel from red mud through climate-neutral hydrogen plasma reductioncitations
- 2024The Optical Spectra of Hydrogen Plasma Smelting Reduction of Iron Ore: Application and Requirementscitations
- 2023Laves phases in Mg-Al-Ca alloys and their effect on mechanical properties
- 2022Hydrogen-based direct reduction of iron oxide at 700°C: Heterogeneity at pellet and microstructure scalescitations
- 2022Phase transformations and microstructure evolution during combustion of iron powdercitations
- 2022The role of cementite on the hydrogen embrittlement mechanism in martensitic medium-carbon steelscitations
- 2022The addition of aluminum to brittle martensitic steels in order to increase ductility by forming a grain boundary ferritic microfilmcitations
- 2022The role of an AI-induced ferritic microfilm in martensitic steels on the hydrogen embrittlement mechanisms revealed by advanced microscopic characterization
- 2022The effect of an Al-induced ferritic microfilm on the hydrogen embrittlement mechanism in martensitic steelscitations
- 2022The effect of aluminum on the resistance to hydrogen embrittlement of martensitic steels for bearing applications
- 2022Comparison between the hydrogen embrittlement behavior of an industrial and a lightweight bearing steel
- 2021Opportunities of combinatorial thin film materials design for the sustainable development of magnesium-based alloyscitations
- 2021The effect of quench cracks and retained austenite on the hydrogen trapping capacity of high carbon martensitic steelscitations
- 2020Current Challenges and Opportunities in Microstructure-Related Properties of Advanced High-Strength Steelscitations
- 2020Current challenges and opportunities in microstructure-related properties of advanced high-strength steelscitations
- 2020Qualification of the in-situ bending technique towards the evaluation of the hydrogen induced fracture mechanism of martensitic Fe–C steelscitations
- 2018Particle-induced damage in Fe–TiB2 high stiffness metal matrix composite steelscitations
- 2018Combinatorial metallurgical synthesis and processing of high-entropy alloyscitations
- 2015From High-Entropy Alloys to High-Entropy Steelscitations
- 2015Phase stability of non-equiatomic CoCrFeMnNi high entropy alloyscitations
- 2014Hydrogen embrittlement associated with strain localization in a precipitation-hardened Fe-Mn-Al-C light weight austenitic steelcitations
- 2011On the formation and growth of intermetallic phases during interdiffusion between low-carbon steel and aluminum alloyscitations
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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.