Abstract

A 3D printed solution flow type micro droplet cell (Sf-MDC) was attached to an optical microscope, making it possible to switch between the lens and Sf-MDC at the same observation/measurement area. Using this setup, precipitates in an Al-Si alloy were investigated. Open circuit potential measurements and potentiodynamic measurements were conducted at various surface areas of the Al-Si alloy. The precipitate area ratio affected open circuit potentials and anodic currents. This 3D printed Sf-MDC can be applied for the electrochemical investigation of precipitates in Al-Si alloy.

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