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Influence of fatigue impact loading on radial carrier and rapping device fillet weld strength (CROSBI ID 222394)

Prilog u časopisu | stručni rad

Sertic, Josip ; Samardzic, Ivan ; Kozak, Drazan ; Simunic, Damir ; Gelo, Ivan ; Bucevic-Keran, Dino Influence of fatigue impact loading on radial carrier and rapping device fillet weld strength // Tehnički vjesnik : znanstveno-stručni časopis tehničkih fakulteta Sveučilišta u Osijeku, 22 (2015), 2; 547-555. doi: 10.17559/TV-20141022092231

Podaci o odgovornosti

Sertic, Josip ; Samardzic, Ivan ; Kozak, Drazan ; Simunic, Damir ; Gelo, Ivan ; Bucevic-Keran, Dino

engleski

Influence of fatigue impact loading on radial carrier and rapping device fillet weld strength

The device used to shake off the ash of the steam boiler harp consists of a drive shaft which has radial carriers welded on. During the operation of the waste incinerator steam boiler in Riverside, a fracture of the radial carrier and drive shaft weld occurred. Such a welded T-joint is made as a double fillet weld. It is loaded with the impact loading which causes the fatigue of material because of its repetition. The analytical calculation, with which the load-bearing capacity of the welded joint is determined, is suggested in this paper. The suggested analytical calculation of the mean impact force is based on the law of momentum conservation during the collision of rapping device and elastically deformable heat exchanger harp. The mean impact force is applied for the weld strength calculation. The results showed that the use of double fillet weld loaded with the fatigue impact loading was a bad choice. The suggested analytical calculation model is applicable for the rapping device design.

double fillet weld; fatigue; impact loading; rapping device; strength

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Podaci o izdanju

22 (2)

2015.

547-555

objavljeno

1330-3651

10.17559/TV-20141022092231

Povezanost rada

Strojarstvo

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