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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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Shurygina, Nadezhda
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Publications (5/5 displayed)
- 2015Physical criterion for the time-temperature stability of the mechanical behavior of amorphous alloyscitations
- 2012Effect of nanocrystallization on the mechanical and magnetic properties of finemet-type alloy (Fe78.5Si13.5B9Nb3Cu1)citations
- 2012Engineering of Grain Boundaries as a Method for Achieving the Ultimate (Theoretical) Strength of Nanocrystals
- 2012Structural features of crystallization and hardening of amorphous alloy in the Fe-Cr-B systemcitations
- 2011Effect of nanocrystallization on the mechanical behavior of Fe-Ni-based amorphous alloyscitations
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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.