MRM (Magneto-Rheological Material or Magneto-Sensitive Smart Materials) are smart materials consisting of fine, magnetizable particles (typically iron) whose rheological properties change through the application of a magnetic field. These iron particles are between 1 to 10 microns in size, less than a tenth of the diameter of a human hair.
When MRM is exposed to a magnetic field, the particles inside link and change the rheological state of the material. This change occurs in less than 0,5 milliseconds, more than 200 times faster than the blink of an eye. Once the magnetic field is removed, the MRM reverts to its unlinked state.
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