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Sliding wear behaviour of alumina/nickel nanocomposites processed by a conventional sintering route |
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| Authors: | T. Rodriguez-Suarez,J.F. Bartolomé A. Smirnov,S. Lopez-EstebanR. Torrecillas,J.S. Moya |
| Affiliation: | a Centro de Investigación en Nanomateriales y Nanotecnología (CINN), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Oviedo (UO), Principado de Asturias (PA), EDIFICIO FUNDACIÓN ITMA, Parque Tecnológico de Asturias, 33428 Llanera (Asturias), Spain b Instituto de Ciencia de Materiales de Madrid (ICMM), Consejo Superior de Investigaciones Científicas (CSIC). C/Sor Juana Inés de la Cruz, 3, 28049 Cantoblanco (Madrid), Spain c Department of Materials Engineering, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia |
| Abstract: | The wear resistance of Al2O3/2.5 vol.% Ni nanocomposites sintered by a conventional route was studied under ball-on-disk dry sliding conditions and compared with the same nanocomposites but consolidated by spark plasma sintering, together with alumina obtained by the same technique and by hot pressing. The results showed an improvement of about 0.5, 1 and 2 orders of magnitude, respectively. Thus, alumina/Ni nanocomposites processed by conventional route can compete, in cost and wear performance, with nanomaterials obtained by more sophisticated techniques. |
| Keywords: | Sintering Nanocomposites Mechanical properties Wear resistance Al2O3 Wear parts |
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