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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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Alfreider, Markus
Montanuniversität Leoben
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2024Stabilization of mechanical strength in a nanocrystalline CoCrNi concentrated alloy by nitrogen alloying
- 2024Micro-Mechanical Fracture Investigations on Grain Size Tailored Tungsten-Copper Nanocompositescitations
- 2024Automatic and time-resolved determination of fracture characteristics from in situ experimentscitations
- 2023Deformation and failure behavior of nanocrystalline WCucitations
- 2023Magnetic Properties of a High-Pressure Torsion Deformed Co-Zr Alloycitations
- 2023Revealing the nano-scale mechanisms of the limited non-basal plasticity in magnesium
- 2023Nanoscale printed tunable specimen geometry enables high-throughput miniaturized fracture testingcitations
- 2022In situ micromechanical analysis of a nano-crystalline W-Cu compositecitations
- 2022Interface mediated deformation and fracture of an elastic–plastic bimaterial system resolved by in situ transmission scanning electron microscopycitations
- 2022The influence of chemistry on the interface toughness in a WTi-Cu systemcitations
- 2021Prospects of Using Small Scale Testing to Examine Different Deformation Mechanisms in Nanoscale Single Crystals—A Case Study in Mgcitations
- 2021Extracting information from noisy data: strain mapping during dynamic in situ SEM experimentscitations
- 2020Correlation between fracture characteristics and valence electron concentration of sputtered Hf-C-N based thin filmscitations
- 2020In situ fracture observations of distinct interface types within a fully lamellar intermetallic TiAl alloycitations
- 2020Probing defect relaxation in ultra-fine grained Ta using micromechanical spectroscopycitations
- 2019Bioinspired nacre-like alumina with a bulk-metallic glass-forming alloy as a compliant phasecitations
- 2019Rate limiting deformation mechanisms of bcc metals in confined volumescitations
- 2018In-situ elastic-plastic fracture mechanics on the microscale by means of continuous dynamical testingcitations
- 2018In-situ TEM observation of {101¯2} twin-dominated deformation of Mg pillarscitations
- 2017The influence of deformation and proton-irradiation on the mechanical behaviour in nano-crystalline stainless steels
- 2016Synthesis and Mechanical Characterisation of an Ultra-Fine Grained Ti-Mg Compositecitations
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article
Magnetic Properties of a High-Pressure Torsion Deformed Co-Zr Alloy
Abstract
Co-Zr amorphous alloys exhibit soft magnetic properties, whereas the Co-rich crystalline magnetic phases in this alloy system displayed a hard magnetic behavior. In this study, an initial two-phase Co-Zr composite with an overall composition of 75 at.% Co and 25 at.% Zr was processed by high-pressure torsion (HPT), and the effects of severe plastic deformation and subsequent thermal treatment on the composite’s structural evolution and its magnetic properties were investigated. HPT processing allowed us to achieve an amorphous microstructure with low coercivity in its as-deformed state. To further tune the alloy’s magnetic properties and study its crystallization behavior, various annealed states were investigated. The microstructural properties were correlated with the magnetic properties, and a decreasing coercivity with increasing annealing temperatures was observed despite the onset of crystallization in the amorphous alloy. At higher annealing temperatures, coercivity increased again. The results appear promising for obtaining tuneable rare-earth free magnetic materials by severe plastic deformation.