Development of a mathematical expression for the variation of amorphization phenomenon during intensive milling of minerals |
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Authors: | MSh Bafghi AH Emami J Vahdati Khaki A Zakeri |
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Institution: | aDepartment of Metallurgy and Materials Engineering, Iran University of Science and Technology, Tehran 16846, Islamic Republic of Iran;bFaculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Islamic Republic of Iran |
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Abstract: | Attempts have been made to develop a mathematical expression on the basis of dislocation theory to describe the effect of intensive milling time on the changes of dislocation density as well as amorphization degree of a mineral substance during intensive milling process. Validity of the proposed expression was verified by the results of experiments performed on a natural chalcopyrite mineral as well as those reported in the literature. It was concluded that the expression satisfied the experimental results with a good accuracy. |
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Keywords: | Mechanical activation Dislocation Intensive milling Mineral processing |
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