Failure analysis of the rolls with grooves (CROSBI ID 282755)
Prilog u časopisu | izvorni znanstveni rad | domaća recenzija
Podaci o odgovornosti
Domazet, Željko ; Lukša, Francisko ; Krstulović-Opara, Lovre
engleski
Failure analysis of the rolls with grooves
The failure analysis of the rolls with grooves on the 3-high-roughing mill stand for hot rolling is presented. Detailed analysis of all the elements which influenced the failure was carried out, namely: the position and the place of all failures are determined and all fracture surfaces are described ; the rolling forces are determined by analitical and experimental methods ; numerical analysis of the local stresses due to rolling forces is performed with finite element method ; stress time history of the individual local stress and stress spectrum are obtained from service loads ; properties of the roll material (strength, hardness, toughness and ductility) is determined by experimental testing ; . Based on the results of investigation, main causes of the failures are presented.
Failure analysis ; Roll failures ; Hot rolling
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Podaci o izdanju
Vol. 15 (1)
2020.
8-13
objavljeno
1331-7210