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dc.contributor.authorNins, Barbara-
dc.contributor.authorPenagos, Jose Jimmy-
dc.contributor.authorCarneiro, Leandro Moreira-
dc.contributor.authorMünch, Daiane-
dc.contributor.authorFalqueto, Patrick Amaral-
dc.contributor.authorViáfara, Cristian Camilo-
dc.contributor.authorCosta, Adilson Rodrigues da-
dc.identifier.citationNINS, B. et al. Abrasiveness of iron ores : analysis of service-worn conveyor belts and laboratory Dry Sand/Rubber Wheel tests. Wear, v. 506, artigo 204439, jul. 2022. Disponível em: <>. Acesso em: 15 mar. 2023.pt_BR
dc.description.abstractBelt conveyors are currently one of the most commonly used technologies for transporting iron ore. Of the components of the conveyor system, the belt is the most expensive and susceptible to damage. Failures due to wear of the rubber cover lead to downtime for corrective maintenance, greater operational risks and performance and economic losses. To improve the tribological performance of conveyor belts, it is necessary to know the main parameters that influence their wear. As wear behavior is not an intrinsic property of a material, the most reliable results are obtained when the wear mechanisms produced in laboratory tests are similar to those in service. In this work, two types were investigated of belt rubber, one new and one worn in service, and four types of iron ore in two class sizes. Loose abrasive wear tests were carried out using the Dry Sand/Rubber Wheel apparatus with belt rubber test pieces and iron ores as abrasives. This work characterized the wear mechanisms that occur in service and in laboratory tests. The predominant wear mechanism found was the formation of Schallamach waves. In the wear tests, Friable Hematite samples presented the highest abrasiveness. In addition, the chemical, mineralogical and morphological features of the iron ore samples were characterized. The high abrasiveness of Friable Hematite was possibly due to the mineral assembly.pt_BR
dc.subjectIron orespt_BR
dc.subjectConveyor beltpt_BR
dc.subjectWorn surface characterizationpt_BR
dc.titleAbrasiveness of iron ores : analysis of service-worn conveyor belts and laboratory Dry Sand/Rubber Wheel tests.pt_BR
dc.typeArtigo publicado em periodicopt_BR
Appears in Collections:DEMET - Artigos publicados em periódicos

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