An Electrochemical Study of Pyrrhotite-Grinding Media Interaction under Abrasive Conditions
- 1 March 1987
- journal article
- Published by Association for Materials Protection and Performance (AMPP) in Corrosion
- Vol. 43 (3) , 159-164
- https://doi.org/10.5006/1.3583129
Abstract
The electrochemical nature of pyrrhotite-grinding media interaction was investigated by using an experimental setup in which an electrode was rotated against a porcelain ball immersed in a ground quartzite slurry. Galvanic currents obtained by superposition of the polarization curves of pyrrhotite and grinding media electrodes under abrasion were correlated with corrosion currents estimated by applying Faraday's law to the ball wear data of marked ball wear tests. The effect of abraded steel debris on corrosive wear in the grinding of a magnetite ore was also investigated.Keywords
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