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Dry rolling and sliding friction and wear of organophilic layered silicate/hydrogenated nitrile rubber nanocomposite

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Abstract

Dry rolling and sliding tribological behaviors of hydrogenated nitrile rubber (HNBR) and its compound, containing 10 parts per hundred rubber (phr) organophilic layered silicates (OLS), were evaluated. As OLS modifier a quaternary amine with hydroxyl and double bonds was selected to support the intercalation/exfoliation by triggering possible interactions with HNBR. According to X-ray diffraction results the OLS was intercalated. Network-related parameters were deduced from dynamic-mechanical thermal analysis (DMTA). The tribological parameters, i.e., coefficient of friction (COF) and specific wear rate (W s), were determined in various home-made test configurations. The OLS reinforcement of HNBR affected the COF and improved the resistance to rolling and sliding wear (except fretting) compared to the pure HNBR. The worn surfaces of the rubber compounds were inspected in scanning electron microscope (SEM) and the dominant wear mechanisms concluded.

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Acknowledgements

Ms. D. Xu thanks the DFG (German Research Foundation) for the fellowship within the Graduate School (GK 814). The authors are thankful to Prof. R. Mülhaupt (Freiburg, Germany) and Dr. A. A. Apostolov (Sofia, Bulgaria) for the OLS supply and XRD measurements, respectively.

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Authors and Affiliations

  1. Institut für Verbundwerkstoffe GmbH (Institute for Composite Materials), University of Kaiserslautern, Erwin-Schrödinger-Str. 58, 67663, Kaiserslautern, Germany

    Dan Xu

  2. Department of Polymer Technology, Faculty of Engineering and Built Environment, Tshwane University of Technology, Pretoria, 0001, Republic of South Africa

    József Karger-Kocsis

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  1. Dan Xu
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  2. József Karger-Kocsis
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Correspondence to József Karger-Kocsis.

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Xu, D., Karger-Kocsis, J. Dry rolling and sliding friction and wear of organophilic layered silicate/hydrogenated nitrile rubber nanocomposite. J Mater Sci 45, 1293–1298 (2010). https://doi.org/10.1007/s10853-009-4081-8

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  • DOI: https://doi.org/10.1007/s10853-009-4081-8

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