Browsing by Subject "electroforming"
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Item Creating Complex Hollow Metal Geometries using Additive Manufacturing and Electroforming(University of Texas at Austin, 2012-08-22) McCarthy, D.L.; Williams, C.B.Additive manufacturing introduces a new design paradigm that allows the fabrication of geometrically complex parts that cannot be produced by traditional manufacturing and assembly methods. In this paper, the authors investigate the combination of laser sintering with an electroforming process using electroless nickel plating to produce complex, thin-walled, hollow, metal geometries. The resulting geometries cannot be produced directly with other additive manufacturing systems. The resulting process is used to produce a cellular nickel structure featuring 800µm walls that is 65 vol% air from a polyamide substrate with 3mm pores.Item Electroforming Process to Additively Manufactured Microscale Structures(University of Texas at Austin, 2019) Patel, Krish; McNamee, Amelia; Silwal, BishalElectroforming is a metal forming process that forms parts through electrodeposition. The overall study and production of the copper mandrel were conducted by examining the growth and depth of the depositions at macroscopic levels. The study of the plating constant for a copper plate in copper sulfate was performed via the production of copper mandrels. Each mandrel was produced by performing multiple experiments and qualitatively and quantitatively examining the resultant depositions and the initial and final states of the experiment. The results were measured based on variations of current and voltage duration in the bath cycle, time duration, solution concentration, and change in mass of both the anode and cathode. The variables such as plating constant and direct current distribution are determined. It seems the rate at which the structure can be fabricated depends on the type of electrolytes used and the parts that are deposited can be scalable.