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      • KCI등재

        Effect of MXene nanosheets attached to carbonyl iron microspheres on the performance and stability of magnetorheological fluid

        Yuxi Sun,Yu Wang,Huaxia Deng,Min Sang,XingLong Gong 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.114 No.-

        To improve the sedimentation stability of carbonyl iron (CI)-based magnetorheological fluid (MRF), anovel MRF with CI/MXene particles as dispersed phase was prepared. CI/MXene particles were preparedby attaching the lightweight MXene nanosheets onto the surface of CI particles (CIPs) as an additive. Themicro-morphology, crystal structure and element composition of CI/MXene particles were analyzed bySEM, XRD and XPS characterization respectively, which confirmed the successful synthesis of CI/MXene particles. CI/MXene-based MRF possessed considerable high magnetorheological (MR) effect,and the magneto-induced shear stress was up to 49 kPa. More importantly, the sedimentation ratio ofCI/MXene-based MRF was further characterized to evaluate its stability. Experimental results showedthat the sedimentation ratio of MRF increased from 75.7% to 98.0% after mixing CIPs with 3 wt%MXene nanosheets. The sedimentation ratio of CI/MXene-based MRF increased by 29.5% compared toCI-based MRF. As a result, the addition of MXene nanosheets significantly improved the sedimentationstability of MRF while maintained high MR effect.

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