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TitleImprovement on sliding wear behavior of Al/Cast iron tribopair by CNT’s reinforcement of an Al alloy
Author(s)Carvalho, Óscar Samuel Novais
Buciumeanu, Mihaela
Soares, Delfim
Gomes, J. R.
Silva, Filipe Samuel
KeywordsCarbon Nanotubes (CNTs)
Al-Si Matrix Composite
Issue date2015
PublisherTaylor and Francis
JournalTribology Transactions
Abstract(s)The results presented in this work show the wear characterization of Al-Si matrix composites reinforced by multiwall carbon nanotubes (MWCNTs) under dry reciprocating sliding conditions against a grey cast iron (GCI). The wear resistance is investigated as a function of the carbon nanotube (CNT) content that varied from 2 to 6 wt%. The results demonstrated that the CNT content plays a relevant role in the wear behavior by substantially reducing the wear loss of Al-Si CNT composites. Further, it reduces the wear loss of the grey cast iron counterface. A physical model able to explain the improved behavior in both mating materials is depicted from experimental results.
Publisher version
AccessRestricted access (UMinho)
Appears in Collections:DEM - Artigos em revistas de circulação internacional com arbitragem científica

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