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Nb이 첨가된 Ti합금의 미세 조직 및 산화 거동

Effects of Nb Addition on Microstructure and Oxdation Behavior of Ti Alloy

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참고문헌

주제분류기계공학

초록

Abstract

The oxidation behavior of Ti-Nb alloys was studied in dry atmosphere. After vacuum arc melting and hot rolling treatment, Ti-Nb alloys were oxidized at 450oC~750oC. The oxidation behaviors between matrix and oxide scale were analyzed by SEM, XPS and XRD. Ti-Nb alloys had higher oxidation resistance than pure Ti at 750oC. XPS analysis of oxide film revealed that TiO2 oxide was formed on the top of surface. The weight gains during the oxidation increase rapidly at temperature above 600oC which obey the parabolic law.

참고문헌 (4)

  1. ASTM STP 796, "B. P. Bannon", ~ (1981)
  2. Y. Okazaki, "J. Japan Inst. Metals", pp.207~ (1998)
  3. "Evalution of Biomaterials" (1980), S. G. Steinemann John Wiley & Sons Ltd.
  4. C. Sitting, "J. of Materials Science Materials in Medicine", 10, pp.191~ (1999)

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