Rapid Evaluation of Inclusion in Steel by Use of Cold Crucible Levitation Melting

Hiroyuki Kondo, Takehiko Toh, Ryuji Uemori, Tokio Suzuki, Koichi Chiba, Hideaki Yamamura, Masamitsu Wakoh, Eiichi Takeuchi

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Rapid evaluation method of inclusions in steel by use of cold crucible levitation melting has been developed. More than 70% of inclusions in steel were concentrated in surface layer of 70 μm thick by cold crucible melting in 5 min. Size distributions of alumina and slag type inclusions, and component of slag type inclusions were not remarkably changed by the fusion. X-ray fluorescence (XRF) with energy dispersive detection and fundamental parameter technique were employed to assess steel cleanliness rapidly. Indices of content could be obtained by XRF for alumina and slag type inclusions, respectively. Analytical time of 2.5 min was achieved when the sample was rotated during the measurement.

Original languageEnglish
Pages (from-to)1000-1004
Number of pages5
JournalTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
Volume89
Issue number9
DOIs
Publication statusPublished - Sep 2003
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Metals and Alloys
  • Materials Chemistry

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