Hostname: page-component-cd9895bd7-q99xh Total loading time: 0 Render date: 2024-12-29T14:01:35.207Z Has data issue: false hasContentIssue false
  • English
  • Français

Microstructures and Mechanical Properties in Ni3Si-Ni3Ti-Ni3Nb-Based Multi-Intermetallic Alloys

Published online by Cambridge University Press:  26 February 2011

T. Takasugi ,
K. Ohira  and
Y. Kaneno
T. Takasugi
Affiliation:
Department of Metallurgy and Materials Science, Graduate School of Engineering, Osaka Prefecture University, 1–1 Gakuen-cho, Sakai, Osaka 599–8531, Japan
K. Ohira
Affiliation:
Department of Metallurgy and Materials Science, Graduate School of Engineering, Osaka Prefecture University, 1–1 Gakuen-cho, Sakai, Osaka 599–8531, Japan
Y. Kaneno
Affiliation:
Department of Metallurgy and Materials Science, Graduate School of Engineering, Osaka Prefecture University, 1–1 Gakuen-cho, Sakai, Osaka 599–8531, Japan
Get access

Abstract

Microstructure, high-temperature tensile deformation and oxidation property of Ni3Si-Ni3Ti-Ni3Nb multi-phase intermetallic alloys with a microstructure consisting of L12, D024 and D0a phases were investigated. The tensile stress as well as the tensile elongation of these multi-phase alloys increased with increasing Si content, i.e. the volume fraction of L12 phase in the wide range of test temperatures. 50-ppm boron addition to these multi-phase intermetallic alloys resulted in increased tensile stress and tensile elongation. The multi-phase intermetallic alloy with a high Si content had good oxidation resistance, and also the boron addition to this alloy resulted in enhanced oxidation resistance. From an overall evaluation of the properties examined, it was shown that the multi-phase intermetallic alloy, which has a high Si content and is composed of L12 matrix dispersed by D024 and D0a phases, had the most favorable properties as high-temperature mechanical and chemical materials.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 842: Symposium S – Integrative and Interdisciplinary Aspects of Intermetallics , 2004 , S2.5
Copyright
Copyright © Materials Research Society 2005

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.)

References

REFERENCES

1. Huang, S. C. and Chesnutt, J. C.: in Intermetallic Compounds, Volume 2, Practice, ed. Westbrook, J. H. and Fleischer, R. L., (John Wiley and Sons, 1995), p. 73.Google Scholar
2. Kim, Y.-W., J. Metals 41, 24 (1989).Google Scholar
3. Pope, D. P. and Ezz, S. S., Int. Mater. Rev. 29, 136 (1984).Google Scholar
4. Stoloff, N. S., Int. Mater. Rev. 34, 153 (1989).Google Scholar
5. Yamaguchi, M. and Umakoshi, Y., Prog. Mater. Sci. 34, 1 (1990).Google Scholar
6. Suzuki, T., Mishima, Y. and Miura, S., ISIJ Int. 29, 1 (1989).Google Scholar
7. Hagiwara, K., Nakano, T. and Umakoshi, Y., Mat. Res. Soc. Symp. Proc. 753, 357 (2003).Google Scholar
8. Hagiwara, K., Nakano, T. and Umakoshi, Y., Act Mater. 48, 1469 (2000).Google Scholar
9. Hagiwara, K., Nakano, T. and Umakoshi, Y., Acta Mater. 51, 2623 (2003).Google Scholar
10. Tomihisa, K., Kaneno, Y. and Takasugi, T., Intermetallics 12, 317 (2004).Google Scholar
11. Ohira, K., Kaneno, Y., Tsuda, H. and Takasugi, T., to be published.Google Scholar
12. Oya, Y. and Suzuki, T., Z Metallkunde 74, 21 (1983).Google Scholar
13. Takasugi, T., Shindo, D., Izumi, O. and Hirabayashi, M., Acta Metall. Mater. 38, 739 (1990).Google Scholar