Deoxidation of Ti Melt by Newly Developed Two-Step Plasma Arc Melting Process Using Hydrogen

Masahito Watanabe, Fumiya Sato, Raiki Abe, Kyosuke Ueda, Daisuke Matsuwaka, Fumiaki Kudo, Takayuki Narushima

Research output: Contribution to journalArticlepeer-review

Abstract

A two-step plasma arc melting process, comprising a first step under Ar-30 pct H2 gas flow and the second step under Ar gas flow, has been newly developed for the deoxidation of Ti melts. The oxygen content after this process depended on the depth probed in the Ti melt. Decrease in the oxygen content from 1.5 to 0.7 mass pct in the surface region of the Ti melt occurred in the second step.

Original languageEnglish
Pages (from-to)1553-1558
Number of pages6
JournalMetallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
Volume50
Issue number4
DOIs
Publication statusPublished - 2019 Aug 15

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

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