Volume and structural changes occurring during the isothermal and non-isothermal reduction of high grade hematite pellets

J. K. Wright*, A. L. Morrison

*Corresponding author for this work

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The major cause of swelling during isothermal reduction at temperatures in the range 600-1000 degree C was disruptive stresses set up during transformation to magnetite. The severity of the disruption was temperature dependent. Under non-isothermal reduction conditions in which pellet temperatures were increased at constant heating rates over the temperature range 500-1000 degree C, minor swelling (6-8%) occurred in the initial stages of reduction followed by contractions of up to 15% in the final reduction stages.

Original languageEnglish
Pages (from-to)167-178
Number of pages12
JournalSymposia Series - Australasian Institute of Mining and Metallurgy
Publication statusPublished - 1980
Externally publishedYes

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