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Diffusion Kinetics of Oxygen in β-Titanium Measured by Molten Flux Method

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Abstract

The unidirectional diffusion model of oxygen in β-titanium was investigated based on the molten flux method and was analyzed by combining thermodynamics and kinetics. The interfacial concentration of oxygen could uniformly be maintained by using the Ca(CaO)-CaCl2 flux. The diffusion coefficient of oxygen in β-Ti has been measured at temperatures from 1273 to 1573 K. The diffusion coefficient of oxygen in β-Ti was evaluated as a function of temperature, especially at the low oxygen content region (0.025 mass pct O).

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  1. LECO is a trademark of LECO Corporation, St. Joseph, MI.

  2. Mathematica is a trademark of Wolfram Research, Inc., Champaign, IL.

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This study has been supported by the 21C Frontier R&D Program and the Second Stage of Brain Korea 21 Project (Division of Humantronics Information Materials). Also, the authors gratefully acknowledge the Resource Recycling R&D Center under the support of the Ministry of Science & Technology and the Ministry of Environment, Korea.

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  1. Min Ho Song (Graduate Student)

    Present address: Department of Materials Science and Engineering, Royal Institute of Technology (KTH), Stockholm, 100 44, Sweden

Authors and Affiliations

  1. Department of Metallurgical Engineering, Yonsei University, Seoul, 120-749, Korea

    Min Ho Song (Graduate Student), Seung Min Han (Graduate Student) & Dong Joon Min (POSCO Chair Professor)

  2. Mineral Resources Research Division, Korea Institute of Geoscience & Mineral Resources, Daejeon, 305-350, Korea

    Good Sun Choi (Principal Researcher)

  3. School of Materials Science & Engineering, University of Ulsan, Ulsan, 680-749, Korea

    Joo Hyun Park (Assistant Professor)

Authors
  1. Min Ho Song
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  2. Seung Min Han
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  3. Good Sun Choi
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  4. Dong Joon Min
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Corresponding author

Correspondence to Dong Joon Min.

Additional information

Manuscript submitted October 26, 2008.

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Song, M.H., Han, S.M., Choi, G.S. et al. Diffusion Kinetics of Oxygen in β-Titanium Measured by Molten Flux Method. Metall Mater Trans A 40, 495–498 (2009). https://doi.org/10.1007/s11661-008-9753-5

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