Effect of graphene-based coating 3D printing process on the remanence and corrosion of sintered NdFeB magnets
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3D Printing and Additive Manufacturing
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This study describes a 3D fused deposition modeling (FDM) printing process using a graphene-impregnated polylactic acid (G-PLA) filament to create a new type of rigid, plastic, nonconductive, and anticorrosion layer. Therefore, the possibility of 3D printing a plastic layer using FDM methods is demonstrated herein. A commercial magnet such as N35 NdFeB can be used to produce an efficient shielding film by additive manufacturing. As the coating layer thickness increases, the remanence decreases from 1.17 to 1.01 T for the G-PLA coating. Visual tests were performed after exposure to all aqueous NaCl test solutions (0.5 and 1 M), and no evidence of corrosion of the coating was obtained.
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CASINI, JULIO C.; COSTA, ISOLDA; FARIA JUNIOR, RUBENS N. de. Effect of graphene-based coating 3D printing process on the remanence and corrosion of sintered NdFeB magnets. 3D Printing and Additive Manufacturing, v. 11, n. 6, p. 1930-1938, 2024. DOI: 10.1089/3dp.2023.0151. Disponível em: https://repositorio.ipen.br/handle/123456789/49272. Acesso em: 09 Feb 2026.
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