Abstract
Faraday Technology Inc. is a research, development and electrochemical engineering firm developing electrochemical innovations based has pulse/pulse reverse electrolytic principles. [1,2] With that founding basis Faraday has been able to bridge the gap between academic understanding and small-scale demonstrations to commercialization of practical components for over 32 years of operation. This presentation will discuss a broad range of surface finishing studies including a wide range of metals, additively manufactured parts, electrochemical machining, and highly complex structures. We will highlight some of the key factors that determine the usefulness and successfulness of using pulse/pulse reverse principles to enable simple water-based HF free electrolytes to finish or shape a wide range of metal surfaces. For instances, we will discuss electropolishing of Nb superconducting cavities, additively manufactured grade 5 Ti impellers, and electrochemical machining to create complex impossible to machine shapes. Each process utilizes pulse/pulse reverse operations to overcome key challenges with boundary layer control, oxidation/reduction of the surface, and the uniformity of the finish.
Published Version
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