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Abstract
Actually, one of the most used magnetic materials in technological applications are the permanent magnets (PM) or hard magnetic materials. Due their importance, in this work I present a review of the state of the art about these materials; starting with a theoretical revision of the principal concepts and most important characteristics that are necessary to understand how they work; passing by the exposition and discussion of the different types of materials which are used for their production, and their relevant industrial applications; and finally to discuss the actual and future research pathways about these materials. This in order to obtain PM materials with better performance and low costs. © 2016. Acad. Colomb. Cienc. Ex. Fis. Nat. All rights reserved.References
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