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Changes in the Material Properties of Steel 1.4762 Depending on the Temperature (CROSBI ID 220163)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Brnić, Josip ; Turkalj, Goran ; Kršćanski, Sanjin ; Niu, Jitai ; Li, Qiang Changes in the Material Properties of Steel 1.4762 Depending on the Temperature // High temperature materials and processes, 35 (2016), 8; 761-767. doi: 10.1515/htmp-2015-0075

Podaci o odgovornosti

Brnić, Josip ; Turkalj, Goran ; Kršćanski, Sanjin ; Niu, Jitai ; Li, Qiang

engleski

Changes in the Material Properties of Steel 1.4762 Depending on the Temperature

This paper presents the experimental results and analysis of the behavior of steel 1.4762 at different temperatures. Tensile mechanical properties as well as creep behaviour were determined using uniaxial tests. Charpy impact tests were used to determine impact energies at different temperatures. Mentioned mechanical properties are displayed as engineering stress- strain diagrams while material resistance to creep is presented in the form of creep curves. Based on Charpy impact energy an assessment of fracture toughness is given. Experimental results show that the values of mechanical properties are continuously decreased by increasing the temperature. After the temperature of 623K (tensile strength: 468 MPa ; yield strength: 298 MPa) the decrease of the ultimate strength and yield strength is especially emphasized and the difference between them is getting smaller. As far as the creep resistance, it can be considered quite small, except at the low stress levels.

Mechanical properties; Creep resistance; Impact energy and fracture toughness assessment; 1. 4762 steel.

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Podaci o izdanju

35 (8)

2016.

761-767

objavljeno

0334-6455

10.1515/htmp-2015-0075

Povezanost rada

Brodogradnja, Strojarstvo, Temeljne tehničke znanosti

Poveznice
Indeksiranost