MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
Deoxidation Thermodynamics of β-Titanium by Ca-CaCl2 and Ca-CaF2 Fluxes
Seung-Min HanYoung-Seok LeeJoo-Hyun ParkGood-Sun ChoiDong-Joon Min
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2009 Volume 50 Issue 1 Pages 215-218

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Abstract

Deoxidation of β-titanium was investigated by Ca-CaCl2 and Ca-CaF2 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 aCaOaCa=0.06∼0.1 was strongly recommended for obtaining oxygen content of 40∼160 ppm.

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© 2009 The Japan Institute of Metals and Materials
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