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Microstructural investigation of the heat-affected zone of simulated welded joint of P91 steel

T. Vuherer ; University of Maribor, Faculty of Mechanical Engineering, Slovenia
M. Dunđer ; University of Rijeka, Politechnika Department of Philosophy Faculty, Croatia
Lj. Milović ; University of Belgrade, Faculty of Technology and Metallurgy, Serbia
M. Zrilić ; University of Belgrade, Faculty of Technology and Metallurgy, Serbia
I. Samardžić ; University of Osijek, Mechanical Engineering Faculty, Slavonski Brod, Croatia

Puni tekst: engleski pdf 921 Kb

str. 317-320

preuzimanja: 2.717



In the process of testing real components exposed to elevated temperature, it is not possible to neglect cracks. The most significant cracks can be induced by welding, which is applied for joining of structural components. Pressure equipment in service is also exposed to high pressure and high stresses. Materials for their manufacturing are designed to resist high stress at elevated temperature, and to meet requirements regarding creep resistance. The objective of this study is to investigate microstructure of different regions of the heat affected zone in T/P91 steels by using thermal simulation instead of welding.

Ključne riječi

welded; microstructures; P91 steel; heat affected zone; heat treatment

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