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Anodic metal matrix removal rate in electrolytic in-process dressing II: Protrusion effect and three-dimensional modeling

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2 Author(s)
Chen, Hong ; Center for Optics Manufacturing and Material Science Program in the College of Arts, Sciences and Engineering, University of Rochester, Rochester, New York 14627 ; Li, James C.M.

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The electric field distribution around a diamond particle embedded in a metal anode during a steady-state electrolytic in-process dressing (ELID) is calculated for a few more simple situations: A disk-shaped diamond particle with some protrusion, a spherical diamond particle with a hemispherical protrusion, and a long diamond particle with a half elliptical protrusion. It is found that the field concentration effect is greatly reduced with protrusion to a value of about 2 when half of the diamond particle is exposed. The effect is the largest at the diamond/metal boundary, decreases sharply to a small value at a distance of the order of the size of the diamond particle. Our analysis suggests that ELID is ideal for exposing diamond in metal-bonded tools. © 2000 American Institute of Physics.

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Journal of Applied Physics  (Volume:87 ,  Issue: 6 )