Fatigue crack growth and fracture mechanics analysis of a working roll surface layer materialDrobne, Matej (Avtor) Vuherer, Tomaž (Avtor) Samardžić, Ivan (Avtor) Glodež, Srečko (Avtor) fracture mechanicsfatigue crack growthmetal formingrolling processhigh chromium steelFatigue crack growth and fracture mechanics analysis of a working roll surface layer material is presented in this paper. The research is done on a hot strip mill working roll where High Chromium Steel is used for roll’s shell material. To obtain corresponding parameters, a rectangular single edge notched bend specimens – SENB, according to standard BS 7448, were used. The fatigue crack growth analysis was done on a resonant testing machine with use of special crack gauges, while for fracture mechanics parameters the electro–mechanical testing machine was used.20142017-07-03 13:14:36Znanstveno delo66571ISSN: 1334-2576UDK: 539.42:621.77OceCobissID: 6892802COBISS_ID: 17828886ISSN pri članku: 1334-2576NUK URN: URN:SI:UM:DK:QA76CDNUsl