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Determination of Residual Fatigue Life of Welded Structures at Bucket-Wheel Excavators through the Use of Fracture Mechanics

Arsić, Miodrag; Bošnjak, Srđan; Gnjatović, Nebojša; Sedmak, Simon; Arsić, D.; Savić, Zoran (Elsevier Science Bv, Amsterdam, 2018)

This paper presents a methodological approach for the assessment of service life of vital welded structures of a bucket-wheel excavator Sch Rs 650/5x24 ('Thyssen Krupp', Germany) boom, subjected to cyclic loading with a ...

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State Analysis and Integrity of Welded Structures of the Upper Ring of the Turbine Runner Guide Vane Apparatus of Hydroelectric Generating Set A6 on Hydro Power Plant Djerdap 1

Arsić, Miodrag; Odanović, Zoran; Bošnjak, Srđan; Mladenović, Mladen; Savić, Zoran (Trans Tech Publications Ltd, Durnten-Zurich, 2013)

During the refurbishment of the hydroelectric generating set A6 on HPP "Djerdap 1", for the state analysis and assessment of the level and causes of degradation of the structure of the vertical Kaplan turbine runner guide ...

Experimental and numerical investigations of the critical values of J-integral for the steel of steam pipelines

Aleksić, Bojana; Milović, Ljubica; Grbović, Aleksandar; Hemer, Abubkr; Aleksić, Vujadin; Zrilić, Milorad (Elsevier Science Bv, Amsterdam, 2018)

Steel grade 14MoV6-3 is a low-carbon microalloyed steel with addition of chromium and molybdenum. This grade is designed mainly for power industry applications, withstanding operating at elevated temperatures.In this paper, ...

Occurrence of cracks due to inadequate turbine shaft construction

Bulatović, Srđan; Aleksić, Vujadin; Zečević, Bojana; Prochaska, Biljana (16th International Conference on Accomplishments in Mechanical and Industrial Engineering DEMI, 2023)

After several decades of constant exploitation of the horizontal bulb turbine, which is an integral part of the hydroelectric power unit, empirically, the formation of a crack occurs in the turbine shaft due to the ...