Abstract
This work extended the previous scanning micro electrochemical flow cell (SMEFC) with one electrode in the past work to the multi-electrode mode, aiming at enhancement of the machining efficiency. The design and fabrication of the test rig has been introduced in details, especially the considerations on the 3D-printed suction head and the electrode sealing scheme. The array of mesoscale cavities and channels have been fabricated by this test rig. The roundness of the cavities is evaluated and the elliptical shape of the cavities is explained through a qualitative simulation of the flow fluid in the inter-electrode gap. The consistency analysis for these structures is demonstrated. Based on these initial experimental results, the test rig shows the potential in fabrication of the array of mesoscale features.
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