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|Title:||Laser Additive Manufacturing Of Magnetic Materials|
C. V.; Chaudhary
R. V.; Banerjee
|Abstract:||While laser additive manufacturing is becoming increasingly important in the context of next-generation manufacturing technologies, most current research efforts focus on optimizing process parameters for the processing of mature alloys for structural applications (primarily stainless steels, titanium base, and nickel base alloys) from pre-alloyed powder feedstocks to achieve properties superior to conventionally processed counterparts. However, laser additive manufacturing or processing can also be applied to functional materials. This article focuses on the use of directed energy deposition-based additive manufacturing technologies, such as the laser engineered net shaping (LENS TM) process, to deposit magnetic alloys. Three case studies are presented: Fe-30 at.% Ni, permalloys of the type Ni-Fe-V and Ni-Fe-Mo, and FeSi- B-Cu-Nb (derived from Finemet) alloys. All these alloys have been processed from a blend of elemental powders used as the feedstock, and their resultant microstructures, phase formation, and magnetic properties are discussed in this paper. Although these alloys were produced from a blend of elemental powders, they exhibited relatively uniform microstructures and comparable magnetic properties to those of their conventionally processed counterparts.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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