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Pregled bibliografske jedinice broj: 996597

Zbornik radova

Autori: Dobatkin, S. V.; Zrnik, Jozef; Mamuzić, Ilija
Naslov: Nanostructures by severe plastic deformation of steels: advantages and problems
( Nanostructures by severe plastic deformation of steels: advantages and problems )
Izvornik: Plenary Lectures - Summaries of Lectures from the 7th International Symposium of Croatian Metallurgical Society SHMD 2006. "Materials and Metallurgy" (printed in journal Metalurgija 45(2006)3, 185-188) / Mamuzić, Ilija (ur.). - Zagreb : Hrvatsko metalurško društvo , 2006. 189-190.
Skup: 7th International Symposium of Croatian Metallurgical Society SHMD 2006. "Materials and Metallurgy"
Mjesto i datum: Šibenik, Hrvatska, 18-22.06.2006.
Ključne riječi: Nano- and submicrocrystalline structure ; severe plastic deformation (SPD)
( Nano- and submicrocrystalline structure ; severe plastic deformation (SPD) )
Sažetak:
Now it is well established that severe plastic deformation (SPD) at low temperatures leads to ultra-fine grained structure with grain size of nano- and submicro-scale. This structure determines enhanced mechanical and unusual physical properties. Our presentation is aimed to consider the formation of nano- (d < 100 nm) and submicrocrystalline structure (100 nm < d < 1000 nm) in steels during SPD by torsion under high pressure and equal channel angular pressing. Structure formation dependencies on temperature deformation conditions, strain degree, chemical composition, initial state and pressure are considered. The role of phase transformations for additional grain refinement, namely, martensitic transformation, precipitation and dissolution of carbide particles during SPD and others, is underlined. Mechanical properties of several steels made by SPD are compared in relation to their structure and discussed.
Vrsta sudjelovanja: Pozvano
Vrsta prezentacije u zborniku: Sažetak
Vrsta recenzije: Međunarodna recenzija
Izvorni jezik: eng
Kategorija: Znanstveni
Znanstvena područja:
Metalurgija
Upisao u CROSBI: Ilija Mamuzic (Ilija.Mamuzic@public.carnet.hr), 17. Tra. 2019. u 12:52 sati



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