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dc.contributor.authorTomášek, Vladimír
dc.contributor.authorKratošová, Gabriela
dc.contributor.authorYun, Rongping
dc.contributor.authorFan, Yanli
dc.contributor.authorLu, Yafei
dc.date.accessioned2009-01-30T14:15:36Z
dc.date.available2009-01-30T14:15:36Z
dc.date.issued2009
dc.identifier.citationJournal of Materials Science. 2009, vol. 44, no. 1, p. 266-273.en
dc.identifier.issn0022-2461
dc.identifier.issn1573-4803
dc.identifier.urihttp://hdl.handle.net/10084/70958
dc.description.abstractThe effects of alumina (Al2O3) as an abrasive on brake friction performance and friction layers of nonmetallic brake friction materials were evaluated. Five experimental compositions containing from 0 to 14.6 vol% alumina were tested (Al2O3—0, 3.4, 5.6, 9.0, and 14.6 vol%). The experimental results indicated that alumina enhances friction coefficient and improves wear performance. The formation and development of friction layers were characterized using X-ray fluorescence spectrometry and scanning electron microscopy with energy dispersive X-ray analysis. Phenomena of baryte film and transferred iron-containing film formed on the friction surfaces were observed. Baryte films were detected on specimens containing from 0 to 5.6 vol% alumina. Iron-containing films were detected on surfaces of all alumina-containing specimens but not on the material without alumina. The role of abrasive in nonmetallic friction materials was studied in relation to formulation, friction performance, and friction surfaces.en
dc.language.isoenen
dc.publisherSpringeren
dc.relation.ispartofseriesJournal of Materials Scienceen
dc.relation.urihttp://dx.doi.org/10.1007/s10853-008-3041-zen
dc.titleEffects of alumina in nonmetallic brake friction materials on friction performanceen
dc.typearticleen
dc.identifier.locationNení ve fondu ÚKen
dc.identifier.doi10.1007/s10853-008-3041-z
dc.identifier.wos000262402200031


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