Deoxidation Thermodynamics of β-Titanium by Ca-CaCl_2 and Ca-CaF_2 Fluxes

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Abstract

Deoxidation of β-titanium was investigated by Ca-CaCl<SUB>2</SUB> and Ca-CaF<SUB>2</SUB> fluxes at 900 to 1400°C. The content of oxygen in Ti was strongly dependent not only on the Ca potential but on the stability of CaO in the fluxes. The present experimental results indicate that deoxidation of Ti by Ca-calcium halide fluxes could be controlled by the activity ratio of CaO to Ca. The ratio of <I>a</I><SUB>CaO</SUB>⁄<I>a</I><SUB>Ca</SUB>=0.06∼0.1 was strongly recommended for obtaining oxygen content of 40∼160 ppm.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 50(1), 215-218, 2009-01-01

    The Japan Institute of Metals and Materials

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Codes

  • NII Article ID (NAID)
    10024811380
  • NII NACSIS-CAT ID (NCID)
    AA1151294X
  • Text Lang
    ENG
  • Article Type
    SHO
  • ISSN
    13459678
  • NDL Article ID
    9751081
  • NDL Source Classification
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL Call No.
    Z53-J286
  • Data Source
    CJP  NDL  J-STAGE 
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