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Pregled bibliografske jedinice broj: 395275

Mechanical and service properties of low carbon steels processed by severe plastic deformation


Dobatkin, S.; Zrnik, J.; Mamuzić, Ilija
Mechanical and service properties of low carbon steels processed by severe plastic deformation // Metalurgija, 48 (2009), 3; 157-160 (međunarodna recenzija, članak, znanstveni)


Naslov
Mechanical and service properties of low carbon steels processed by severe plastic deformation

Autori
Dobatkin, S. ; Zrnik, J. ; Mamuzić, Ilija

Izvornik
Metalurgija (0543-5846) 48 (2009), 3; 157-160

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Severe plastic deformation (SPD) ; ECAP ; low carbon steel ; submicrocrystalline structure ; mechanical properties

Sažetak
The structure and properties of the 0, 09% C-Mn- Si-Nb-V-Ti, 0, 1 %C-Mn-V-Ti and 0, 09% C-Mo-V-Nb low-carbon steels were studied after cold equal- channel angular pressing (ECAP). ECAP leads to the formation of partially submicrocrystalline structure with a grain size of 150 – 300 nm. The submicrocrystalline 0, 09 %C-Mn-Si-Nb-V-Ti steel compared with the normalized steel is characterized by Re higher more than by a factor of 2 and by the impact toughness higher by a factor of 3, 5 at a test temperature of -40°C. The plasticity in this case is somewhat lower. The high-strength state of the submicrocrystalline 0, 1% C-Mn-V-Ti and 0, 09% C-Mo-V-Nb steels after ECAP is retained up to a test temperature of 500°C. The strength properties at 600°C (i.e. the fire resistance ) of these steels are higher by 20-25 % as compared to those of the undeformed steels. The strength of the 0, 09% C-Mo-V-Nb steel at 600°C is substantially higher than that of the 0, 1% C-Mn-V-Ti steel.

Izvorni jezik
Engleski

Znanstvena područja
Metalurgija, Strojarstvo



POVEZANOST RADA


Projekt / tema
120-1201787-1491 - Oblikovanje deformiranjem i svojstva novih metalnih materijala (Ilija Mamuzić, )
124-1241565-1537 - Struktura, svojstva i separacija metalnih materijala (Tanja Matković, )

Ustanove
Metalurški fakultet, Sisak

Autor s matičnim brojem:
Ilija Mamuzić, (27862)

Časopis indeksira:


  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


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