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  • Ferromagnetism only occurs in a few substances; common ones are iron, nickel, cobalt, their alloys, and some alloys of rare-earth metals. Magnetic domains ... The phenomenon of magnetism is "mediated" by the magnetic field. An electric current or magnetic dipole creates a magnetic field, and that field, in turn, imparts magnetic forces on other ...

  • Alibaba.com offers 93 iron cobalt nickel magnetic products. About 26% of these are nickel. A wide variety of iron cobalt nickel magnetic options are available to you, such as nickel bar, nickel wire, and nickel …

  • Our range of soft magnetic materials comprises pure iron, nickel-iron, silicon-iron and cobalt- iron alloys, as well as amorphous and nanocrystalline alloys. Thanks to their high magnetic saturation of up to 2.35 T, the cobalt-iron (CoFe) alloys

  • Sep 16, 1994· Billas IM, Châtelain A, de Heer WA. Molecular beam deflection measurements of small iron, cobalt, and nickel clusters show how magnetism develops as the cluster size is increased from several tens to several hundreds of atoms for temperatures between 80 and 1000 K. Ferromagnetism occurs even for ...

  • SG Technologies launches Cobalt Iron 01 September 2014. Although Cobalt Iron has been available for many years, its price tag has often precluded it from cost sensitive automotive applications.

  • 2.5. Nickel–Iron and Cobalt–Iron Alloys Nickel–iron alloys display a broad range of magnetic properties and a well-defined structure in the range from 35 wt % Ni to 80 wt % Ni. A stable random f.c.c. solid solution ( ? phase) can be obtained above 35 % Ni by choice of annealing temperatures and suitably high cooling rates.

  • Soft Magnetic Alloys. Soft magnetic material includes a wide variety of nickel-iron and nickel-cobalt soft magnetic alloys and pure iron for high performance components requiring high initial and maximum permeability coupled with ease of fabrication.. Sophisticated equipment, advanced technology and the expertise developed for producing aeronautical grade alloys are employed for manufacturing ...

  • The special alloys of aluminium, nickel, cobalt and iron, known as Alnico, and of samarium and cobalt (samarium-cobalt magnet) are used in permanent magnets. It is also alloyed with 95% platinum for jewelry, yielding an alloy suitable for fine casting, which is also slightly magnetic.

  • Nickel iron alloy & soft magnetic materials used for efficient energy storage & transfer, include Invar 36 for OLED and other applications. Precision rolled Nickel-iron is a premium low core loss material used in devices such as transformer cores, toroids, sensors, motor laminations, watch springs, & flapper valves.

  • Jan 29, 2012· I once heard that the elements nickel, iron, and cobalt are magnetic metals. I know that iron and steel (except for stainless steel) attract a magnet, but I've never actually come across anything made of cobalt.

  • Cobalt. Like nickel, cobalt in the Earth's crust is found only in chemically combined form, save for small deposits found in alloys of natural meteoric iron. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal.

  • Nickel, iron and cobalt are magnetic metals. Most other metals, including gold, copper, silver and magnesium, are generally not magnetic, although some of these metals might become slightly magnetic if placed in a magnetic field.

  • Dec 13, 2002· The three metals iron, cobalt and nickel are called the "iron family" and are very similar, so I shall discuss them together. A property of the iron family for which there is no substitute at an equivalent cost is that they can be induced to provide a strong magnetic field with only small excitation by an electric current.

  • Electromagnets are made from a coil of copper wire wound around a core made from iron, nickel or cobalt. The coiled wire will generate a magnetic field when an electric current passes through it, however, the magnetic field disappears the moment the current stops.

  • The iron occur in Fe-mineral ores contains impurities of Phosphorus, sulphur and high alkali as well as impregnations of waste rock. To produce a metallurgy treatable concentrate the ore has to be grind for mineral liberation, enriched for concentration and dewatered for transportation.

  • According to the Encyclopaedia Britannica, iron, cobalt and nickel all share the property of ferromagnetism. This means that of the elements on the periodic table, these three are the only transition metals that have magnetic properties.

  • For convenient comparison of the magnetic properties of the alloys with those of the metals from which the alloys were cast, sample lots of the iron, nickel, and cobalt which we used in making the alloys, were melted, cast, and prepared in the same manner as the alloy test samples.

  • The element Nickel (Ni) is one of the few ferromagnetic metals. Ferromagnetic means they are attracted to magnets and can be magnetized themselves. Most metals aren't magnetic with the exception of iron, nickel, cobalt, gadolinium, neodymium and samarium. Note that the U.S. five cent coin called a ...

  • However, sometimes (in iron, nickel, and cobalt for example) you'll have one or more un-paired electrons. The magnetic fields of these electrons aren't canceled out …

  • Nickel alloys electroplated for engineering applications include nickel-iron, nickel-cobalt, nickel-manganese and zinc- nickel. Iron is an inexpensive metal and solutions for plating nickel-iron alloys were developed mainly to reduce costs.

  • Cobalt is also used in some soft magnetic alloys such as the Perminvar alloys of nickel-iron-cobalt, the Permendur alloys of iron-cobalt, and the cobalt ferrites. Nearly all these alloys are used in electrical equipment and electronic devices.

  • soFt MAgnetic coBAlt-iron Alloys vAcoFlUX ... Our range of soft magnetic materials comprises nickel-iron, silicon-iron and cobalt-iron alloys, as well as amorphous and nanocrystalline alloys. Thanks to their high magnetic saturation of up to 2.4 T, the

  • Our range of soft magnetic materials comprises nickel-iron, silicon-iron and cobalt-iron alloys, as well as amorphous and nanocrystalline alloys. Thanks to their high magnetic saturation of up to 2.38 T, the cobalt-iron (CoFe) alloys

  • Permalloy-based structures are ferromagnetic metals made of different proportions of iron and nickel. Permalloy is an active, tunable material which can be used …

  • Iron, nickel, cobalt, manganese etc are ferromagnetic elements which result in strong attraction where rest of elements are either anti ferromagnetic or ferrimagnetic which means that they are either weekly attractive or repulsive but in negligiblemagnitude.

  • Ferromagnetic materials are what we refer to by the term "permanent magnet". Indeed, the strongest magnets are not made of either iron, cobalt or nickel, but from neodymium and other rare-earth metals.

  • Super Invar 32-5 is a magnetic, austenitic, solid solution alloy containing iron, nickel and cobalt. 32-5 was originally designed to provide minimum thermal expansion at room temperatures. It has the austenite stability to service temperatures at least -67°F (-55°C).

  • Ferromagnetism is a kind of magnetism that is associated with iron, cobalt, nickel, and some alloys or compounds containing one or more of these elements. It also occurs in gadolinium and a few other rare-earth elements.


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