Effects of strength of hematite granule on the initial state of compaction

Hiroshi Kuno, Hiroaki Imai

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Compaction process of granules was studied by compressing a granule bed with a constant rate increase of applied stress. Compaction process at the lower range of applied stress proceeded with the decrease of intergranular void volume. The change of the intergranular porosity, εi was expressed as In (εioi) = (P/Pc) In (εioif) in the stress range from 0 to Pc, where P is applied stress, εiois the initial intergranular porosity and εif is the intergranular porosity at Pc •Pc was nearly proportional to the granule strength, pgand expressed by(l-εifg.

Original languageEnglish
Pages (from-to)111-115
Number of pages5
JournalJournal of the Japan Society of Powder and Powder Metallurgy
Volume33
Issue number3
DOIs
Publication statusPublished - 1986 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry

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