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Mechanical, and tribological properties of ti/tin bilayers: the dependence of ti interlayer thickness

De la roche Yepes, Jhonattan and González Carmona, Juan Manuel and Ruden Muñoz, Alexander and Restrepo Parra, Elisabeth and Sequeda Osorio, Federico (2013) Mechanical, and tribological properties of ti/tin bilayers: the dependence of ti interlayer thickness. Dyna; Vol. 80, núm. 178 (2013); 115-122 DYNA; Vol. 80, núm. 178 (2013); 115-122 2346-2183 0012-7353 .

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Ti/TiN bilayers were grown on AISI 316L stainless steel and Dynasil (SiO2) substrates, by using a reactive DC magnetronsputtering system. The Ti interlayer was grown at different thicknesses (0, 50, 100, and 200 nm) in order to study their infl uence on themorphological, mechanical, and tribological properties of the bilayers. The coatings’ morphology was determined using an XP2 profi lometeradhesion was measured using micro-scratch test equipment, mechanical properties were obtained by a NANOVEA IBIS–Technologynanoindenter with the Oliver-Parr method. Tribological characterization was carried out with a CSEM tribometer, and wear coeffi cientwas obtained by the Archard law by relating the wear area (measured by profi lometry). Results present a decrease in the roughness as theinterlayer was added. A maximum hardness and elastic modulus of 22 and 310 GPa, respectively, were obtained. On the other hand, thesystem with an interlayer of 100 nm exhibited the highest adhesion with a critical load of 28 N. Moreover, the system with an interlayer of200 nm showed an improvement in the tribological behavior due to its great load capability, lower substrate defl ection, and low wear rate.

Tipo de documento:Artículo - Article
Información adicional:Derechos de autor reservados
Palabras clave:interlayer thickness, surface properties, coeffi cient of friction, wear
Unidad administrativa:Revistas electrónicas UN > Dyna
Código ID:27429
Enviado por : Dirección Nacional de Bibliotecas STECNICO
Enviado el día :27 Junio 2014 18:40
Ultima modificación:14 Junio 2018 00:09
Ultima modificación:14 Junio 2018 00:09
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