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Magneto-science

"Magneto-science" deals with the studies of the magnetic fields effects on physical, chemical and biological process. From macroscopic scale to atomic scale, it makes use of magneto-static forces and torques, of electromagnetic coupling and of magneto-static energy contribution.

At the macroscopic scale, the magneto-static force can simulate microgravity, and provide on earth experiments that would otherwise be performed in free fall towers or in space. The same forces can also control convection in fluids where magnetic properties depends on temperature.

At the microscopic scale, magneto-static and electromagnetic couplings play a major role in materials processing: it is then possible to control texture, to modify the shape of crystals, of dendrites.

At the atomic scale, a huge effect is observed on the shift of thermodynamic equilibrium temperature, such as in steels : magnetic energy then provides a new lever to control processes, in addition to classical thermal and mechanical treatments, hence leading to new processing routes.

Some magnetic effects are quite well known, and open the way to innovative experiments, such as in the field of magnetically simulated micro-gravity. Other mechanisms, such as the polarization of atomic diffusion are still to be explored.

Non coalescence and bouncing of levitated liquid droplets (E. Beaugnon et al. / Physica B 294295 (2001) 715720)

 

Members of the lab involved : Eric Beaugnon, François Debray

 

For further information magnetoscience.org