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Title: Boundary element method applied to electroforming process
Authors: Hernández Castellano, Pedro Manuel 
Socas, Ayoze
Benítez, Antonio 
Ortega, Fernando
Diaz, Noelia 
Marrero Alemán, María Dolores 
Monzón, Mario 
UNESCO Clasification: 331212 Ensayo de materiales
331208 Propiedades de los materiales
Keywords: Additive Manufacturing (AM)
Rapid Manufacturing
Rapid Tooling
Issue Date: 2014
Publisher: 0255-5476
Journal: Materials Science Forum 
Conference: 5th Manufacturing Engineering Society International Conference (MESIC) 
5th International Conference of Manufacturing Engineering Society, MESIC 2013 
Abstract: Elecform3DTM is a analysis and simulation tool of electroforming process, in order to facilitate design and manufacturing tasks. Electroforming is an electrolytic process that enables the manufacture of metallic parts with good mechanical properties with a high level of accuracy and reproducibility. In this process a thin metallic shell is deposited on a model part and later released from it. Distribution of deposited metal is not uniform due to current density distribution on the cathode. The results obtained with the first version of this product were very promising, and also indicated the need for a more precise analysis of electrochemical phenomena in this process.The methodology is based on the well-known potentials model of LaPlace, it enables deposited metal distribution prediction with high grade of precision, being experimentally validated with cathodic polarization curves. These boundary conditions at the electrodes serve to combine the existing electrical and chemical effects in the process. On the active surfaces of the electrodes the current density is a function of the nonlinear laws of polarization in the electrode-electrolyte interface. Analytically the resolution of these problems is totally unworkable, at least for real geometries, so it is used for solving the employment of numerical methods. The resolution has been considered using the boundary element method (BEM), because we are only interested in obtaining the solution on the surface of the cathode. Elecform3DTM is an important step beyond electroforming so far, and combined with almost all additive manufacturing 3D printer, is a cheaper alternative for high quality metallic parts manufacturing in comparison with other Rapid Manufacturing technologies.
ISBN: 9783038351252
ISSN: 0255-5476
DOI: 10.4028/
Source: Materials Science Forum[ISSN 0255-5476],v. 797, p. 125-132
Appears in Collections:Actas de congresos
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