1. Expression of the self-sharpening mechanism of a roller cone bit during wear due to the influence of the erosion protection carbide coatingJurij Šporin, Primož Mrvar, Blaž Janc, Željko Vukelić, 2021, izvirni znanstveni članek Ključne besede: carbide coating, erosion effect, micro channel, disintegration, drilling Celotno besedilo (datoteka, 11,23 MB) Gradivo ima več datotek! Več... |
2. The development of dewatering predictions of the Velenje coalmineŽeljko Vukelić, Evgen Dervarič, Jurij Šporin, Goran Vižintin, 2016, izvirni znanstveni članek Ključne besede: colliery, coal mine, excavation, pumping, dewatering, predicted dewatering, groundwater, aquifer, Velenje coal mine Celotno besedilo (datoteka, 13,36 MB) Gradivo ima več datotek! Več... |
3. Change of the properties of steel material of the roller cone bit due to the influence of the drilling operational parameters and rock propertiesJurij Šporin, Tilen Balaško, Primož Mrvar, Blaž Janc, Željko Vukelić, 2020, izvirni znanstveni članek Ključne besede: drilling, roller cone bit, mechanism of drill bit wear, carbide coating, HV hardness, high temperature Celotno besedilo (datoteka, 6,29 MB) Gradivo ima več datotek! Več... |
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