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- W8045438 abstract "The demand of magnets increases with the increasing development of electronic industry in Indonesia, but it was still imported from abroad. While the magnetic materials as iron oxide are quite a lot in Indonesia, one of deposits area of iron sand is Southern coast of Bantul Yogyakarta. The sand contained of the mineral magnetic, these minerals were magnetite (Fe 3 O 4 ) is black color, maghemite ( -Fe 2 O 3 ). Mineral magnetite can be developed as a magnet, example of magnetic material for magnetic tape, magnetic speaker, magnet electric motors and others. Iron sand at southern coast of Bantul Yogyakarta is blackish gray color indicates that it contains large amounts of magnetic material. The results of research by using a magnet, average 66.32% of weight attracted to magnet permanent. The results of the separation is carried out by sieving method the largest percentage of 32% at opening size <+212 m. Characterizations of magnetic materials using Vibrating Sample Magnetometer (VSM) and XRD have done on the sand that attracted to the magnet and sieving result. The result by VSM showed that saturation magnetization (Ms) are 13.18 emu/g and 36.49 emu/g, remanent magnetic (Mr) 4.15 emu/g and 7.95 emu/g, coercivity magnetic (Hc) 230 Oe and 186 Oe, susceptibility mass ( ) 1.45 × 10 -4 m 3 /kg and 4.31 × 10 -4 m 3 /kg. XRD analysis indicates that the iron sand were dominated magnetite and maghemite minerals. Based on this analysis, the sands of Southern coast in Bantul Yogyakarta can be used as magnetic material. Magnetic material contained on the coast sand has potential as ceramic magnet permanent materials (MO.xFe 2 O 3 ). Keywords: magnet, magnetite, saturation magnetization, susceptibility, iron sand" @default.
- W8045438 created "2016-06-24" @default.
- W8045438 creator A5001035786 @default.
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- W8045438 date "2012-01-01" @default.
- W8045438 modified "2023-09-28" @default.
- W8045438 title "THE POTENTIAL OF IRON SAND FROM THE COAST SOUTH OF BANTUL YOGYAKARTA AS RAW CERAMIC MAGNET MATERIALS" @default.
- W8045438 hasPublicationYear "2012" @default.
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