Structural, mechanical and tribological performance of a nano structured biomaterial Co–Cr–Mo alloy synthesized via mechanical alloying

The influence of milling time on the tribological behavior of a Co–Cr–Mo alloy designed for biomedical applications, synthesized via mechanical alloying is investigated. Elemental Co, Cr and Mo powders are milled using different milling times (2, 6, 12 and 18 h) in a high-energy ball mill. The resul...

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Bibliographic Details
Published in:Journal of materials research and technology 2023-07, Vol.25, p.2152-2165
Main Authors: Fellah, Mamoun, Hezil, Naouel, Bouras, Dikra, Obrosov, Aleksei, Mohammed, Abdul Samad, Montagne, Alex, Abd-Elmonem, Assmaa, M El Din, Sayed, Weiß, Sabine
Format: Article
Language:English
Subjects:
Co–Cr–Mo alloy
Friction
Powder metallurgy
Tribology
Wear resistance
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Summary:The influence of milling time on the tribological behavior of a Co–Cr–Mo alloy designed for biomedical applications, synthesized via mechanical alloying is investigated. Elemental Co, Cr and Mo powders are milled using different milling times (2, 6, 12 and 18 h) in a high-energy ball mill. The resulting powders were subjected to cold uniaxial and hot isostatic pressing respectively, followed by sintering to obtain cylindrical samples, which were evaluated for their structural, mechanical and the wear behavior. Results showed that the grain and crystallite sizes of the powders decreased with increasing milling time, reaching low values of
ISSN:2238-7854
DOI:10.1016/j.jmrt.2023.06.031