Tribological performance and corrosion behavior of CoCrMo alloy

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Published Dec 22, 2021
DOI https://doi.org/10.3221/IGF-ESIS.59.10

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Hadda Rezzag
Laboratory of Metallurgy & Materials engineering (LMGM), University Badji Mokhtar, B. P. 12, Annaba 23000, Algeria. Research Center in Industrial Technologies CRTI, P. O. Box 64, Cheraga 16014 Algiers, Algeria
Latifa Kahloul
Laboratory of Mines, Metallurgy, and Materials (L3M), National School of Mines and Metallurgy.Annaba, 23000, Algeria.
Hacène Chadli
Laboratory of Mines, Metallurgy, and Materials (L3M), National School of Mines and Metallurgy.Annaba, 23000, Algeria.
Alima Mebrek
Research Center in Industrial Technologies CRTI, P. O. Box 64, Cheraga 16014 Algiers, Algeria
Adel Saoudi
Centre de Recherche Scientifique et Technique en Analyses Physico-Chimiques CRAPC, Zone Industrielle Bou-Ismail, Tipaza, PO 384, RP 42001, Algeria

Abstract

The present work focuses on the Tribological properties and corrosion behavior evaluation of sintered CoCrMo alloy. The CoCrMo alloy was elaborated by Powder metallurgy process at various sintering temperatures (1200°C, 1250°C and 1300°C). The structural properties were characterized by X-ray diffraction and scanning electron microscopy. The tribological characteristics were measured using a dry disc-ball tribometer. The corrosion behavior of the samples was studied using different electrochemical tests in a simulated physiological environment (Hank’s solution). The obtained results show that higher sintering temperatures have a positive impact on the tribological behavior as well as the corrosion resistance of CoCrMo alloys. The sintered samples at 1300°C showed a better resistance to friction wear and a lower corrosion rate.

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    Issue
    Vol. 16 No. 59 (2022): January 2022
    Section
    Advanced Manufacturing and Processing

    How to Cite

    Rezzag, H. (2021) “Tribological performance and corrosion behavior of CoCrMo alloy”, Frattura ed Integrità Strutturale, 16(59), pp. 129–140. doi: 10.3221/IGF-ESIS.59.10.
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