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Št. zadetkov: 3
Lifetime evaluation of a steam pipeline using NDE methods
Fevzi Kafexhiu, Jelena Vojvodič-Tuma
Izvirni znanstveni članek
Oznake: steel X20CrMoV121;steam pipelines;life time;micro-voids;NDE methods;
Before its shutdown, the steam pipeline made from X20CrMoV121 steel in the Power Plant Toplarna - Ljubljana operated at 530 °C and 95 bar for 150 000 h. A non-destructive evaluation (NDE) of the microstructure using the replica method and hardness measurements on pipeline bends and welded joints wit ...
Leto: 2011 Vir: dLib.si Digitalna knjižnica Slovenije
Effect of tempering on the room-temperature mechanical properties of X20CrMoV121 and P91 steels
Fevzi Kafexhiu, Franc Vodopivec, Jelena Vojvodič-Tuma
Izvirni znanstveni članek
Oznake: tempering;microstructure;mechanical properties;martensitic steels;
The effect of tempering time and temperature on the room-temperature tensile properties and hardness of two martensitic creep-resistant steels, X20CrMoV121 and P91, was investigated. Samples cut from industrial tubes were tempered for 17520 h at 650 °C and for 8760 h at 750 °C. On the tempered sampl ...
Leto: 2012 Vir: dLib.si Digitalna knjižnica Slovenije
Friction and anti-galling properties of hexagonal boron nitride (h-BN) in aluminium forming
Bojan Podgornik, Fevzi Kafexhiu, Tadeja Kosec Mikić, Jure Jerina, Mitjan Kalin
Izvirni znanstveni članek
Oznake: solid lubricant;boron nitride;Al extrusion;friction;galling;
Friction and anti-galling properties of hexagonal boron nitride (h-BN) in aluminium forming
Leto: 2017 Vir: Repozitorij Univerze v Ljubljani (RUL)
Št. zadetkov: 3
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