High-Temperature Shape Memory Effect of Ti-(Pt,Ir)


Article Preview

Shape recovery and superelasticity of Ti-50at%Pt and Ti-50at%(Pt, Ir), whose martensitic transformation temperature are above 1273 K, were investigated by thermal expansion measurement in dilatometer and loading-unloading compression test. The shape recovery was found in all compounds in at least one of the testing methods. The highest shape recovery, about 4% was found in Ti-25Pt-25Ir using loading-unloading compression test. On the other hand, superelasticity was found in only ternary compounds. Larger superelasticity was observed in ternary compounds with higher Ir contents. Potential of Ti-50Pt and Ti-50(Pt, Ir) as high-temperature shape memory alloys is discussed.



Materials Science Forum (Volumes 539-543)

Main Theme:

Edited by:

T. Chandra, K. Tsuzaki, M. Militzer , C. Ravindran




Y. Yamabe-Mitarai et al., "High-Temperature Shape Memory Effect of Ti-(Pt,Ir)", Materials Science Forum, Vols. 539-543, pp. 3273-3278, 2007

Online since:

March 2007




[1] K. Otsuka, K. Oda, Y. Ueno, M. Piao, T. Ueki and H. Horikawa: Scripta Metal. 29 (1993) 1355-1359.

[2] D. Golberg, Y. Xu, Y. Murakami, S. Morito, K. Otsuka, T. Ueki and H. Horikawa: Scripta Metal. 30 (1994) 1349-1354.

[3] Y. Xu, K. Otsuka, E. Furubayashi, T. Ueki and K. Mitose: Mater. Lett. 30 (1997) 189-197.

[4] Y. Xu, S. Shimizu, Y. Suzuki, K. Otsuka, T. Ueki and K. Mitose: Acta Mater. 45, 4, (1997), 1503-1511.

[5] Y. Suzuki, Y. Xu, S. Morito, K. Otsuka and K. Mitose: Mater. Lett. 36 (1998) 85-94.

[6] S. Shimizu, Y. Xu, E. Okunishi, S. Tanaka, K. Otsuka, and K. Mitose: Mater. Lett. 34 (1998) 23-29.

[7] K. Enami and S. Nenno: Metall. Trans. 2, (1971) 1487- 1490.

[8] H. Hosoda, M. Tsuji, M. Mimura, Y. Takahashi, K. Wakashima, and Y. Yamabe-Mitarai: Mat. Res. Soc. Proc. 753 (2003), BB5-51-1-BB5-51-6.

[9] Y. Takahashi, T. Inamura, J. Sakurai, H. Hosoda, K. Wakashima and S. Miyazaki: Trans. MRS-J. 29 (2004) 3005-3008.

[10] T. Inamura, Y. Takahashi, H. Hosoda, K. Wakashima, T. Nagase, T. Nakano, Y. Umakoshi and S. Miyazaki: MRS 842 (2004) 347-352.

DOI: https://doi.org/10.1557/proc-842-s3.2

[11] R. W. Fonda, H. N. Jones, and R. A. Vandermeer: Scripta Mater. 39, (1998) 1031-1037.

[12] R. W. Fonda, H. N. Jones, and R. A. Vandermeer: Advances in Twinning, Ed. by S. Ankem and C. S. Pande, (TMS, 1999) pp.279-285.

[13] T. B. Massalski: Binary Phase Diagrams, (ASM, Ohio, USA, 1987) p.2361, p.3142.

[14] Y. Yamabe-Mitarai, T. Hara, S. Miura and H. Hosoda: Collected Abstracts of the 2005 Autumn Meeting of the Japan Inst. Metals�2005�325.

[15] Y. Yamabe-Mitarai, T. Hara and H. Hosoda: Mat. Sci. Forum 426-432 (2003) 2267-2272.

DOI: https://doi.org/10.4028/www.scientific.net/msf.426-432.2267

[16] T. Hara and Y. Yamabe-Mitarai: Collected Abstracts of the 2003 Autumn Meeting of the Japan Inst. Metals�2003�87.