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

S. Dobatkin ; A. A. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Moscow, Russia
J. Zrnik ; COMTES FHT, Plzen, Czech Republic
Ilija Mamuzić ; Faculty for Metallurgy University of Zagreb, Sisak, Croatia

Puni tekst: engleski, pdf (764 KB) str. 157-160 preuzimanja: 9.808* citiraj
APA 6th Edition
Dobatkin, S., Zrnik, J. i Mamuzić, I. (2009). Mechanical and service properties of low carbon steels processed by severe plastic deformation. Metalurgija, 48 (3), 157-160. Preuzeto s https://hrcak.srce.hr/35469
MLA 8th Edition
Dobatkin, S., et al. "Mechanical and service properties of low carbon steels processed by severe plastic deformation." Metalurgija, vol. 48, br. 3, 2009, str. 157-160. https://hrcak.srce.hr/35469. Citirano 24.07.2019.
Chicago 17th Edition
Dobatkin, S., J. Zrnik i Ilija Mamuzić. "Mechanical and service properties of low carbon steels processed by severe plastic deformation." Metalurgija 48, br. 3 (2009): 157-160. https://hrcak.srce.hr/35469
Harvard
Dobatkin, S., Zrnik, J., i Mamuzić, I. (2009). 'Mechanical and service properties of low carbon steels processed by severe plastic deformation', Metalurgija, 48(3), str. 157-160. Preuzeto s: https://hrcak.srce.hr/35469 (Datum pristupa: 24.07.2019.)
Vancouver
Dobatkin S, Zrnik J, Mamuzić I. Mechanical and service properties of low carbon steels processed by severe plastic deformation. Metalurgija [Internet]. 2009 [pristupljeno 24.07.2019.];48(3):157-160. Dostupno na: https://hrcak.srce.hr/35469
IEEE
S. Dobatkin, J. Zrnik i I. Mamuzić, "Mechanical and service properties of low carbon steels processed by severe plastic deformation", Metalurgija, vol.48, br. 3, str. 157-160, 2009. [Online]. Dostupno na: https://hrcak.srce.hr/35469. [Citirano: 24.07.2019.]

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.

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

Hrčak ID: 35469

URI
https://hrcak.srce.hr/35469

[hrvatski]

Posjeta: 10.125 *