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ferrite (magnet) - wikipedia

the density of ferrite magnets is about 5 g/cm 3. the most common hard ferrites are: strontium ferrite srfe 12 o 19 (sro·6fe 2 o 3) used in small electric motors micro-wave devices recording media magneto-optic media telecommunication and electronic industry.

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ferrite (magnet) - wikipedia

a ferrite is a ceramic material made by mixing and firing large proportions of iron(iii) oxide (fe 2 o 3 rust) blended with small proportions of one or more additional metallic elements such as barium manganese nickel and zinc. they are both electrically non-conductive meaning that they are insulators and ferrimagnetic meaning they can easily be magnetized or attracted to a magnet.

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indian journal of engineering & materials sciences vol. 7 october-december 2000 pp. 364-369 strontium ferrite permanent magnet-an overview amitabh vermaa 0 p pandeyb & puneet sharmab b thapar institute of engineering and technology patiala 147 001 india a materials science di vision thapar centre for industrial research and development patiala 147001 india

strontium - wikipedia

strontium is the chemical element with the symbol sr and atomic number 38. an alkaline earth metal strontium is a soft silver-white yellowish metallic element that is highly chemically reactive. the metal forms a dark oxide layer when it is exposed to air.

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