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AdTech Ceramics - Ceramic Packages 1-24 LB
Photonics Dictionary

magnetorheological

Magnetorheological (MR) materials, often referred to as MR fluids, are smart materials that undergo significant changes in their rheological behavior (flow and deformation characteristics) in the presence of a magnetic field. These changes are typically fast and reversible.

Composition: MR fluids usually consist of micron-sized, magnetizable particles (such as iron) suspended in a carrier fluid (such as oil or water). When exposed to a magnetic field, the particles align along the field lines, changing the fluid's viscosity and turning it from a liquid to a semi-solid state.

Adjustable properties: The viscosity and yield stress of MR fluids can be precisely controlled by varying the strength of the magnetic field, allowing for tunable resistance to flow.

Applications:

Dampers and shock absorbers: Used in automotive suspension systems to provide adaptive damping characteristics for improved ride comfort and handling.

Clutches and brakes: Used in industrial and automotive applications for controllable torque transfer.

Prosthetics and robotics: Employed in adaptive devices to provide variable resistance and improve functionality.

Polishing and finishing: MR fluids are used in precision finishing processes, such as magnetorheological finishing (MRF), to achieve extremely smooth and accurate surfaces on optical components and other precision parts.
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