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Experimental determination and prediction of the mechanical properties of steel 1.7225


Brnić, Josip; Turkalj, Goran; Čanađija, Marko; Niu, Jitai
Experimental determination and prediction of the mechanical properties of steel 1.7225 // Materials science and engineering : a structural materials : properties, microstructure and processing, 600 (2014), 47-52 doi:10.1016/j.msea.2014.01.097 (međunarodna recenzija, članak, znanstveni)


Naslov
Experimental determination and prediction of the mechanical properties of steel 1.7225

Autori
Brnić, Josip ; Turkalj, Goran ; Čanađija, Marko ; Niu, Jitai

Izvornik
Materials science and engineering : a structural materials : properties, microstructure and processing (0921-5093) 600 (2014); 47-52

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

Ključne riječi
Mechanical properties; short-time creep; creep modeling; impact toughness assessment; 1.7225steel

Sažetak
This paper presents experimental results and the analysis of the behavior of steel 1.7225 at different temperatures. First, experimental results related to the mechanical properties of the material and its resistance to creep are shown using stress-strain diagrams and creep curves. Then, the analysis of the sensitivity of the ultimate tensile strength with respect to strain rate is given. Modeling of some creep curves using an analytic formula is also presented. An assessment of the fracture toughness based on Charpy impact energy is made. The obtained results show that both ultimate tensile strength and yield strength achieve their maximum at room temperature, but these values are reduced with an increase in temperature up to 650K. At this temperature, they achieve approximately 20% of initial values. Notably, this steel may be treated as creep resistant only when it is subjected to a low level of stress at considered temperature.

Izvorni jezik
Engleski

Znanstvena područja
Brodogradnja, Strojarstvo, Temeljne tehničke znanosti



POVEZANOST RADA


Projekt / tema
13.09.1.1.01
HRZZ-IP-2013-11-6876 - Procjena ponašanja konstrukcija u graničnim uvjetima rada (Josip Brnić, )

Ustanove
Tehnički fakultet, Rijeka

Časopis indeksira:


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


Uključenost u ostale bibliografske baze podataka:


  • CA Search (Chemical Abstracts)
  • Fluidex (Fluid Engineering Abstracts)
  • Scopus
  • Research Alert
  • Physikalische Berichte
  • PASCAL/CNRS
  • Glass Technology Abstracts
  • Fluid Abstracts
  • FIZ Karlsruhe
  • Engineering Index
  • Metals Abstracts
  • Cambridge Scientific Abstracts


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