Carbonyl iron–silicone oil suspension

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• Published Subscription Original Research Special issue 28 Mar 2026

  Magnetorheological Composite Dampers for Railway Wagon Suspension: Modelling Validation and Performance Analysis

  By Konijeti Sri Manikanta, D.V.A. Ramasastry, T. Ravi Kumar, S.S.S. Lokesh

  Abstract: Railway wagons encounter continuous vibrations due to track irregularities, resulting in reduced ride comfort and higher dynamic loads. Conventional suspension systems based on springs, hydraulic dampers, or air suspensions provide only limited vibration mitigation. This work investigates the application of magnetorheological (MR) fluid-based dampers, where a polymeric carrier oil (silicone oil) reinforced with carbonyl iron particles serves as a smart composite suspension medium. The MR fluid is synthesized and characterized …

  Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 43–63 Read article →