Fabrication of Magnetic Abrasives Using Plasma Powder Melting Method (The Effect of Fe Matrix)

Masahiro Anzai, Koichi Masaki, Takeo Nakagawa

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Magnetic abrasive polishing process was experimentally tried to finish the mold surface. Magnetic abrasives are playing a very important role in this process. NbC-Fe magnetic abrasives were newly produced by Plasma Powder Melting (PPM) Method. This study aims to investigate the relationship between Fe matrix and the grindability of PPM magnetic abrasives. The carbon content range of maximum bending modulus of Fe matrix was 0.4 to 0.6 Wt%. The maximum grindability of NbC-Fe magnetic abrasive was obtained in the carbon content range of 0.4 to 0.6 Wt%. These carbon contents range agree with each other precisely and the results suggest that there exists an adequate correlation between the elasticity of Fe-matrix and the grindability of PPM magnetic abrasives. It is possible to fabricate high grindability magnetic abrasives using more elastic Fe-matrix like alloy steel. In order to increase the removal rate, it is nesessary to investigate the influence of Fe-matrix conditions in more detail.

Original languageEnglish
Pages (from-to)472-476
Number of pages5
JournalJournal of the Japan Society of Powder and Powder Metallurgy
Volume38
Issue number4
DOIs
Publication statusPublished - 1991 Jan 1
Externally publishedYes

ASJC Scopus subject areas

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

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