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      Friction and wear of diamond-like carbon film deposited on CoCrMo alloy under different lubrication

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          Abstract

          CoCrMo alloys are widely used as artificial joint implants due to their excellent mechanical properties, good wear resistance and outstanding corrosion resistance. However, the risks of release of cobalt and chromium ions urge researchers to improve the wear resistance of implants further by using surface modification technology. Diamond-like carbon film with 3.0 μm thickness was deposited on the surface of CoCrMo alloy using ion-source-assisted magnetron sputtering. The friction coefficients of the CoCrMo alloy decreased remarkably under different conditions after the formation of diamond-like carbon film. After the deposition of diamond-like carbon film the wear rates of the CoCrMo alloy decreased by 52.4 %, 47.1 % and 49.4 %, under dry friction, physiological saline, and bovine serum lubrication, respectively.

          Most cited references21

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          Comparison of metal release from various metallic biomaterials in vitro.

          Y Okazaki, E Gotoh (2004)
          To investigate the metal release of each base and alloying elements in vitro, SUS316L stainless steel, Co-Cr-Mo casting alloy, commercially pure Ti grade 2, and Ti-6Al-4V, V-free Ti-6Al-7Nb and Ti-15Zr-4Nb-4Ta alloys were immersed in various solutions, namely, alpha-medium, PBS(-), calf serum, 0.9% NaCl, artificial saliva, 1.2 mass% L-cysteine, 1 mass% lactic acid and 0.01 mass% HCl for 7d. The difference in the quantity of Co released from the Co-Cr-Mo casting alloy was relatively small in all the solutions. The quantities of Ti released into alpha-medium, PBS(-), calf serum, 0.9% NaCl and artificial saliva were much lower than those released into 1.2% L-cysteine, 1% lactic acid and 0.01% HCl. The quantity of Fe released from SUS316L stainless steel decreased linearly with increasing pH. On the other hand, the quantity of Ti released from Ti materials increased with decreasing pH, and it markedly attenuated at pHs of approximately 4 and higher. The quantity of Ni released from stainless steel gradually decreased with increasing pH. The quantities of Al released from the Ti-6Al-4V and Ti-6Al-7Nb alloys gradually decreased with increasing pH. A small V release was observed in calf serum, PBS(-), artificial saliva, 1% lactic acid, 1.2% l-cysteine and 0.01% HCl. The quantity of Ti released from the Ti-15Zr-4Nb-4Ta alloy was smaller than those released from the Ti-6Al-4V and Ti-6Al-7Nb alloys in all the solutions. In particular, it was approximately 30% or smaller in 1% lactic acid, 1.2% L-cysteine and 0.01% HCl. The quantity of (Zr + Nb + Ta) released was also considerably lower than that of (Al + Nb) or (Al + V) released. Therefore, the Ti-15Zr-4Nb-4Ta alloy with its low metal release in vitro is considered advantageous for long-term implants. Copyright 2004 Elsevier Ltd.
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            Diamond like carbon coatings for potential application in biological implants—a review

            R.J.K. Wood, C.A. Love, R.B. Cook … (2013)
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              Effect of pre-lithiation degrees of mesocarbon microbeads anode on the electrochemical performance of lithium-ion capacitors

              Jin Jin Zhang, Zhiqiang Shi, Chengyang Wang (2014)
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                Author and article information

                Journal
                Journal ID (publisher-id): ijmr
                Title: International Journal of Materials Research
                Publisher: Carl Hanser Verlag
                ISSN (Print): 1862-5282
                ISSN (Electronic): 2195-8556
                Publication date (Print): 14 July 2016
                Volume: 107
                Issue: 7
                Pages: 631-636
                Affiliations
                1 School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou, P. R. China
                Author notes
                [* ] Correspondence address, Associate Professor Yong Luo, PhD., School of Materials Science and Engineering, China University of Mining and Technology, No. 1, Daxue road, Xuzhou 221116, P. R. China, Tel.: +86 516 83591916, Fax: +86 516 83591870, E-mail: sulyflying@ 123456cumt.edu.cn
                Article
                Publisher ID: MK111385
                DOI: 10.3139/146.111385
                SO-VID: 71f6c34d-621f-469c-82ac-0e189bd37239
                Copyright © © 2016, Carl Hanser Verlag, München
                History
                Date received : 24 January 2016
                Date accepted : 21 March 2016
                Date: 10 May 2016
                Page count
                References: 23, Pages: 6
                Categories
                Subject: Original Contributions

                ScienceOpen disciplines: Materials technology,Materials characterization,Materials science
                Keywords: Friction,Wear,Diamond-like carbon film
                Data availability:
                ScienceOpen disciplines: Materials technology, Materials characterization, Materials science
                Keywords: Friction, Wear, Diamond-like carbon film

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