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FERROFLUIDE [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2013-11-01

English

Subject field(s)
  • Magnetic Materials and Ferromagnetism
CONT

A liquid magnet. ... The melt of an alloy (Co80-Pd20) which is ferromagnetic in the solid state at room temperature was undercooled below its melting point. The freely suspended droplet (diameter approx. 7 mm) - processed in the coil of an electromagnetic levitation facility - was attracted by a permanent magnet when the temperature approached the Curie temperature (lower picture). The attractive force depends on the temperature in a way characteristic for ferromagnetic materials. This appears to be the first demonstration for the possible existence of long-range magnetic order even in a liquid.

French

Domaine(s)
  • Matériaux magnétiques et ferromagnétisme
DEF

Dépôts sous vides [...] [réalisés] sur un fluide et qui permettent d'obtenir, si on ne brasse pas le fluide récepteur, des feuilles métalliques ultra-minces (submicrométriques).

Spanish

Save record 1

Record 2 1999-02-11

English

Subject field(s)
  • Magnetism
DEF

A colloidal suspension of ultramicroscopic magnetic particles in a carrier liquid, used as a lubricant or damping liquid.

French

Domaine(s)
  • Magnétisme
DEF

Solution colloïdale de particules ferromagnétiques noyées dans un liquide, auquel on ajoute un agent dispersant afin d'éviter la floculation.

OBS

Lorsqu'on applique un champ magnétique au fluide, tous les petits aimants qui le constituent s'alignent parallèlement au champ : le fluide est aimanté.

Spanish

Campo(s) temático(s)
  • Magnetismo
Save record 2

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