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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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Manaenkov, S. E.
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Topics
Publications (3/3 displayed)
- 2011Effect of nanocrystallization on the mechanical behavior of Fe-Ni-based amorphous alloyscitations
- 2008Plasticizing effect in the transition from an amorphous state to a nanocrystalline statecitations
- 2007Structural mechanisms of plastic deformation of amorphous alloys containing crystalline nanoparticlescitations
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article
Effect of nanocrystallization on the mechanical behavior of Fe-Ni-based amorphous alloys
Abstract
Melt-quenched amorphous alloys Fe58Ni25B17, Fe50Ni33B17, and Ni44Fe29Co15B10Si2 are used to study the effect of the structural parameters of the nanocrystalline phases precipitating at the first stage of crystallization on the strength characteristics of the alloys in an amorphous-nanocrystalline state. It is shown that, at a constant nanoparticle size, the dependence of microhardness HV on the volume fraction (VV) or the volume density (NV) of these nanoparticles can be described by the relation HV = K(VV)n, where n = 1/3. A relation HV = f(d) that is analogous to the Hall-Petch relation is detected at a fixed volume density of nanoparticles and their average size d > 80–100 nm. At d < 70–80 nm, HV decreases anomalously with decreasing d.