Hostname: page-component-7b7567c8c-tnzcf Total loading time: 0 Render date: 2026-11-15T01:29:14.674Z Has data issue: false hasContentIssue false
  • English
  • Français

Platinum Group Metals Base Refractory Superalloys

Published online by Cambridge University Press:  15 February 2011

Y. Yamabe-Mitarai,
Y. Koizumi,
H. Murakami,
Y. Ro,
T. Maruko and
H. Harada
Y. Yamabe-Mitarai
Affiliation:
National Research Institute for Metals, 1–2–1 Sengen, Tsukuba, Ibaraki, 305, Japan, yamabe@tamamori.nrim.go.jp
Y. Koizumi
Affiliation:
National Research Institute for Metals, 1–2–1 Sengen, Tsukuba, Ibaraki, 305, Japan, yamabe@tamamori.nrim.go.jp
H. Murakami
Affiliation:
National Research Institute for Metals, 1–2–1 Sengen, Tsukuba, Ibaraki, 305, Japan, yamabe@tamamori.nrim.go.jp
Y. Ro
Affiliation:
National Research Institute for Metals, 1–2–1 Sengen, Tsukuba, Ibaraki, 305, Japan, yamabe@tamamori.nrim.go.jp
T. Maruko
Affiliation:
National Research Institute for Metals, 1–2–1 Sengen, Tsukuba, Ibaraki, 305, Japan, yamabe@tamamori.nrim.go.jp
H. Harada
Affiliation:
National Research Institute for Metals, 1–2–1 Sengen, Tsukuba, Ibaraki, 305, Japan, yamabe@tamamori.nrim.go.jp
Get access

Abstract

Ir- and Rh-base refractory superalloys with an fee and Lb two phase structure similar to Ni-base superalloys, yet with considerably higher melting temperatures have been proposed. Fee and Ll2 two phases were observed in these alloys by transmission electron microscopy and X-ray powder diffractometry. The compression tests of these alloys showed that the strengths of several alloys were about 200 MPa at 1800 °C and these alloys have potential to become ultra-high temperature materials for use in power engineering field.

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Article purchase

Temporarily unavailable

References

REFERENCES

1. Miracle, D. B. and Darolia, R., Intermetallic Compounds Principles and Practice, edited by Westbrook, J. H. and Fleischer, R. L.., (John Wiley & Sons, New York, NY 1995) Vol. 2, p. 53.Google Scholar
2. Brown, W. F. Jr, Mindin, H. and Ho, C. Y., Aerospace Structural Metals Handbook, (CINDAS/Purdue University, West Latayette, IN, 1992), 5, p. 4218, 5502.Google Scholar
3. Yamagata, T., Proc. Fifth. Symp. on High-Performance Materials for Severe Environments, (RINCOF, Tokyo, 1994) 107.Google Scholar
4. Fleischer, R. L., Platinum Metals Rev., 36 (3), 138 (1992).Google Scholar
5. Gyurko, A. M. and Sanchez, J. M., Mat. Sci. Eng., A170, 169 (1993).Google Scholar
6. Yamabe, Y., Koizumi, Y., Murakami, H., Ro, Y., Maruko, T. and Harada, H., Scripta Metall., 35, (2), 211 (1996).Google Scholar
7. Yamabe-Mitarai, Y., Koizumi, Y., Murakami, H., Ro, Y., Maruko, T. and Harada, H., Scripta Metall., in press.Google Scholar
8. Thompson, M. E., Su, C. S. and Voorhees, P. W., Acta Metall. Mater, 42, 6, 2107 (1994).Google Scholar
9. Harada, H., Yamagata, T., Yokokawa, T., Ohno, K. and Yamazaki, M., Proc. Fifth. Intern. Conf. on Creep and Fracture of Engineering Materials and Structures, edited by Wilshire, B. and Evans, R. W., (The Institute of Materials, Swansea, England 1993), p. 255.Google Scholar
10. Dwight, A. E., Beck, P. A.. Trans. Am. Inst. Min. Eng., 215, 976 (1959).Google Scholar
11. Beardmore, P., Davies, R. G. and Johnston, T. L.. TMS-AIME, 245, 1537 (1969).Google Scholar
12. Erickson, G. L., Superalloys 1996, edited by Kissinger, R. D., Deye, D. J., Anton, D. L., Cetel, A. D.. Nathal, M.V., Pollock, T. M., Woodford, D. A., (TMS, Warrendale, PA 1996), p. 35.Google Scholar
13. Ro, Y., Koizumi, Y. and Harada, H., Materials for Advanced Power Engineering, edited by Coutsouradis, D. et al., (Kluwer Academic Publishers, Netherlands, 1994), Part I, p. 883.Google Scholar
14. Harada, H., Yamazaki, M., Koizumi, Y., Sakuma, N., Fukuya, N. and Kamiya, H., Proc. of High Temperature Alloys for Gas Turbines, edited by Brunetaund, R., Coutsouradis, D., Gibbons, T. B., Lindblom, Y., Meadowcroft, D. B. and Stickler, R., D., (REIDEL PUBLISHING COMPANY, Liege, Belgium, 1982) p. 721.Google Scholar
15. Yokokawa, T., Ohno, K., Murakami, H., Kobayashi, T., Yamagata, T., Harada, H.: Advanced in X-ray Analysis, 1996, in press.Google Scholar
16. Sims, C. T., Stoloff, N. S. and Hagel, W. C, Superalloys II, (John Wiley & Sons, New York, NY, 1987) p. 13, 551.Google Scholar
17. Yamabe-Mitarai, Y., Ro, Y., Maruko, T. and Harada, H., unpublishedGoogle Scholar
18. Jaffee, R. I., Maykuth, D. J. and Douglass, R. W., Refractory Metals and Alloys, 11, 383(1961).Google Scholar
19. Dickson, D. T., Wimber, R. T. and Stetson, A. R., Technical Report AFML-TR-660317 (1966).Google Scholar