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Steel 51CrV4 under high temperatures, short- time creep and high cycle fatigue (CROSBI ID 251235)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Brnić, Josip ; Brčić, Marino ; Kršćanski, Sanjin ; Lanc, Domagoj ; Niu, Jitai ; Wang, Peng Steel 51CrV4 under high temperatures, short- time creep and high cycle fatigue // Journal of constructional steel research, 147 (2018), 468-476. doi: 10.1016/j.jcsr.2018.05.008

Podaci o odgovornosti

Brnić, Josip ; Brčić, Marino ; Kršćanski, Sanjin ; Lanc, Domagoj ; Niu, Jitai ; Wang, Peng

engleski

Steel 51CrV4 under high temperatures, short- time creep and high cycle fatigue

The use of a material for a particular purpose is based on its properties. In this sense, the article deals with the analysis of the results of experimental researches performed on steel 51CrV4. Experimental studies included responses ofmaterial at roomand high temperatures aswell as creep and fatigue behaviors of considered material. Responses of the material at room and high temperatures are displayed in the form of engineering stress-strain diagrams. Based on these responses were determined mechanical properties such as ultimate tensile strength (770MPa/20 °C ; 98MPa/700 °C), 0.2 offset yield strength (642 MPa/20 °C ; 60MPa/700 °C) and modulus of elasticity (198 GPa/20 °C ; 37 GPa/700 °C). Short time creep curves showthe behavior ofmaterial at certain high temperatures and stress strevels. Each creep process is performed at constant temperature and the corresponding constant stress. Charpy impact energy (average values: 20 J/20 °C ; 65 J/200 °C) was tested at different temperatures, and consequently, fracture toughnesswas calculated based on these results. Finally, uniaxial fatigue limit in amount of 251 MPa was calculated based on uniaxial high cycle fatigue tests at stress ratio of R = − 1.

Mechanical properties ; Creep ; Charpy impact energy ; Uniaxial high cycle fatigue ; Steel 51CrV4

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Podaci o izdanju

147

2018.

468-476

objavljeno

0143-974X

1873-5983

10.1016/j.jcsr.2018.05.008

Trošak objave rada u otvorenom pristupu

APC

Povezanost rada

Brodogradnja, Strojarstvo, Temeljne tehničke znanosti

Poveznice
Indeksiranost