Abstract

Data is developed to show the relationship between pellet strength and shrinkage which accompanies induration. Systematic measurements of shrinkage kinetics of a pure hematite reagent powder and of a commercial magnetite concentrate are presented, and rate constants and activation energies evaluated. The discussion links the results of pellet induration research with sintering theory, developed in support of powder metallurgy and ceramics. Transport mechanisms active during strength development of pellets are dealt with.

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