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Ball wear mechanisms and control in the grinding of sulfide and phosphate ores

Natarajan , KA and Deshpande , RJ (1994) Ball wear mechanisms and control in the grinding of sulfide and phosphate ores. In: Metals materials and processes, 6 (3). 163-170 .

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Abstract

Marked ball grinding tests were carried out in the laboratory using high carbon low alloy steel (cast and forged) and high chrome cast iron balls. Relative ball wear as a function of grinding period and milling conditions was evaluated for the different type of ball materials in the grinding of lead-zinc sulphide and phosphate ores. Results indicated that ball wear increased with time and showed a sharp increase for wet grinding over dry grinding. Ball wear under wet grinding conditions was also influenced by the gaseous atmosphere in the mill. The influence of oxygen on the corrosive wear of grinding balls was increasingly felt in case of sulphide ore grinding. The grinding ball materials could be arranged in the following order with respect to their overall wear resistance:

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Meshap science Publishers.
Department/Centre: Division of Physical & Mathematical Sciences > Mathematics
Date Deposited: 25 Mar 2011 06:59
Last Modified: 25 Mar 2011 06:59
URI: http://eprints.iisc.ernet.in/id/eprint/36263

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