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- W2922978843 abstract "In this study, Ti-6Al-4Fe nanomaterials were prepared by high-energy milling using elemental Ti, Al, Fe, powders. The Ti-6Al-4Fe nanomaterials powders were milled for up to 18 h and then hot pressed in vacuum at 300 MPa. The mechanical behavior of the samples was determined as a function of hardness and bending tests and analyzed by scanning electron microscopy, energy dispersive x-ray spectroscopy, optical microscopy and x-ray diffraction (XRD). Our results showed that The hot pressed density of the Ti-6Al-4Fe nanomaterials decreased with increasing milling time. Milling of titanium powder for 18 h, significant enhance ther hardness and wear resistance due to a grain size refinement. With increasing milling times, the wear rates decreased, which is endorsed to the enhanced powders mechanical properties, due to its particle sizes refinement. At longer milling time, the wear rate and the friction coefficient decreased significantly. At 18 The Ti-6Al-4Fe showd the lowest and the Ti-6Al-4V the highest. According to the presented results, we obtained nanostructured titanium alloys with lower crystallite sizes and higher wear resistance. It seems that the replacement of V by Fe on Ti-6Al-4V alloy would be a good choice in biomaterials for hip prostheses, which means a longer wear life of the components and thus providing the patient a better quality of life References [1] Fellah M, Labaiz M, Assala O, Iost A. Comportement electrochimique de deux protheses totales de hanche en acier AISI 316L et en alliage de Ti-6A-7Nb. Congres Materiaux 2014 (09- Materiaux et sante), Federation Francaise des Materiaux (FFM) Montpellier, France. 2014. [2] Fellah M , Labaiz M, Assala O, Dekhil L, Iost A, Friction and Wear Behavior of Ti-6Al-7Nb Biomaterial Alloy, Journal of Biomaterial and Nanobiotechnology. 2013; 4 (4)–374. [3] [3] Fellah M, Labaiz M, Assala O, Dekhil L, Iost A, Tribological behavior of biomaterial for total hip prosthesis. Materiaux & Techniques. 2014; 102: 6-7– 601." @default.
- W2922978843 created "2019-04-01" @default.
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- W2922978843 date "2018-07-25" @default.
- W2922978843 modified "2023-09-24" @default.
- W2922978843 title "Influence of Fe content on tribologic properties of α-β type Ti-6Al-xFe powders prepared by mechanical milling" @default.
- W2922978843 hasPublicationYear "2018" @default.
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