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Effect of Ti (Macro-) Alloying on the High-Temperature Oxidation Behavior of Ternary Mo–Si–B Alloys at 820–1,300 °C

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Abstract

The aim of the present investigation was to gain an initial understanding of the effect of (macro-) alloying with Ti on the oxidation behavior of Mo–Si–B alloys in the ternary phase region of Mo_ss–Mo3Si–Mo5SiB2 at 820–1,300 °C. Motivated by recent studies and thermodynamic calculations, the alloy compositions Mo–9Si–8B–29Ti (at.%) and Mo–12.5Si–8.5B–27.5Ti (at.%) were selected and synthesized by arc-melting. Compared to the reference alloy Mo–9Si–8B, superior initial oxidation rates at 1,100–1,300 °C as well as a significant density reduction by nearly 18 % were observed. Due to enhanced initial evaporation of MoO3 and mainly inward diffusion of oxygen, a borosilicate-rutile duplex scale with a continuous TiO2 phase had formed. Detailed investigations of the oxidation mechanism by SEM, EDX, XRD and confocal micro-Raman spectroscopy indicated that Ti alloying is promising with regard to further improvement of the oxidation resistance as well as the strength-to-weight ratio of Mo–Si–B alloys.

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References

  1. D. M. Berczik, US Patent No. 5,693,156 (1997).

  2. S. Burk, “High temperature oxidation of Mo-based alloys considering the influence of surrounding atmosphere and alloying methods” PhD Thesis, Institut für Werkstofftechnik, Universität Siegen, 2011.

  3. R. Sakidja, J. H. Perepezko, S. Kim and N. Sekido, Acta Materialia 56, 2008 (5223).

    Article  CAS  Google Scholar 

  4. Y. Yang, Y. A. Chang, L. Tan and Y. Du, Material Science and Engineering A 362, 2003 (281).

    Article  Google Scholar 

  5. Y. Yang, H. Bei, S. Chen, E. P. George, J. Tiley and Y. Austin Chang, Acta Materialia 58, 2010 (541).

    Article  CAS  Google Scholar 

  6. K. Yoshimi, S. Nakatani, T. Suda, S. Hanada and H. Habazaki, Intermetallics 10, 2002 (407).

    Article  CAS  Google Scholar 

  7. M. K. Meyer and M. Akinc, Journal of the American Ceramic Society 79, 1996 (938).

    Article  CAS  Google Scholar 

  8. M. K. Meyer, A. J. Thom and M. Akinc, Intermetallics 7, 1999 (153).

    Article  CAS  Google Scholar 

  9. J. B. Berkowitz-Mattuck and R. R. Dils, Journal of the Electrochemical Society 112, 1965 (583).

    Article  CAS  Google Scholar 

  10. E. C. T. Ramos, G. Silva, A. S. Ramos, C. A. Nunes and C. A. R. P. Baptista, Material Science and Engineering A 363, 2003 (297).

    Article  Google Scholar 

  11. J. D. Axe and G. Shirane, Physical Review B 1, 1970 (342).

    Article  CAS  Google Scholar 

  12. R. W. Ricker and R. A. Hummel, Journal of the American Ceramic Society 34, 1951 (27).

    Article  Google Scholar 

  13. Website http://rruff.info/. Accessed Mar 2012.

  14. P. H. C. Eilers and H. F. M. Boelens, Baseline Correction with Asymmetric Least Square Smoothing, Report (Leiden University Medical Centre, 2005).

  15. S. Melsheimer, M. Fietzek, V. Kolarik, A. Rahmel and M. Schütze, Oxidation of Metals 47, 1996 (139).

    Article  Google Scholar 

  16. A. J. Thom, Y. Kim and M. Akinc, Material Research Society Symposium Proceedings 288, 1992 (1037).

    Article  Google Scholar 

  17. P. Kofstad, Nonstoichiometry, Diffusion, and Electrical Conductivity in Binary Metal Oxide, (Wiley, New York, 1972).

    Google Scholar 

Download references

Acknowledgments

Financial support by Deutsche Forschungsgemeinschaft (DFG) within the framework of the research unit 727 “Beyond Ni-Base Superalloys” is gratefully acknowledged. The authors would like to thank E. P. George and H. Bei for the preparation of the alloys in ORNL.

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Correspondence to Maria Azimovna Azim.

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Azimovna Azim, M., Burk, S., Gorr, B. et al. Effect of Ti (Macro-) Alloying on the High-Temperature Oxidation Behavior of Ternary Mo–Si–B Alloys at 820–1,300 °C. Oxid Met 80, 231–242 (2013). https://doi.org/10.1007/s11085-013-9375-1

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  • DOI: https://doi.org/10.1007/s11085-013-9375-1

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