MR - Fluid Technology and Its Application - A Review

Magneto rheological fluid (MRF) is a smart fluid whose properties can be controlled with the help of metal particles and magnetic field. These fluids have the ability to transmit force in a controlled manner with the help of magnetic field, thus improving their performance especially in areas where controlled fluid motion is required. Some applications of magneto rheological fluid technology are in dampers, brakes, journal bearings, pneumatic artificial muscles, optics finishing, fluid clutches, aerospace etc. where we give electrical inputs and get the mechanical output comparatively faster and in a controlled manner. This is a review paper covering the principles of MR fluid technology, its working modes and its field of applications. Keywords— Controlled fluid, Metal particles, MRF, Rheological fluid, Smart fluid