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8. Cost of semi-finished soft magnetic materials
Prices for magnetic materials vary over several orders of magnitude (from less than 1 e/kg to more than 100 e/kg), depending mainly on alloying elements, tonnage, and the manufacturing process for semi-finished material (sheet or ribbon coils) or finished material (wound cores, annealed stamped parts). A semi-finished alloy (sold in coils) with very high permeability, such as Fe-80%Ni or nanocrystalline, can be sold for between 15 and 40 e/kg in the case of very high-volume sensors (e.g. differential circuit breakers), and for around 1,000 e/kg for very specific, low-volume sensor cores (e.g. space probes).
Pricing factors are discussed below.
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Cost of material
Access to, and abundance of, resources of magnetic elements (Fe, Ni, Co, rare earths) are very different depending on whether we consider...
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Cost of semi-finished soft magnetic materials
Bibliography
Websites
Technical documentation on magnetic amorphous materials from Metglas Inc. http://www.metglas.com/products
Technical documentation on grain-oriented FeSi from ThyssenKrupp Electrical Steel Gmbh http://www.tkes.com
Technical documentation...
Patents
Patent WO 98/30728 – Jan. 1997 – Allied Signal.
Directory
Suppliers
ArcelorMittal http://www.arcelormittal.com
Metglas http://www.metglas.com
Thyssen Krupp http://www.tks.com
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