Milling dynamics: Part I. Attritor dynamics: Results of a cinematographic study
The motions of grinding media and powder in an attritor canister were studied by means of filming the agitated charge and frame-by-frame scrutiny of the footage. In conjunction with auxiliary experiments, this permitted semiquantitative analysis of the milling action. In particular, the mill can be divided into several regions characterized by different balances between direct impacts and rolling/sliding of the grinding media. Simple calculations suggest that impacts are more capable of effecting mechanical alloying (MA) than are rolling or sliding events in an attritor. Powder circulation within an operating mill was also investigated. Based on the results and the accompanying analysis, concepts for improved attritor design are presented. © 1993 The Minerals, Metals and Materials Society, and ASM International.
Metallurgical Transactions A
Milling dynamics: Part I. Attritor dynamics: Results of a cinematographic study.
Metallurgical Transactions A,
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