Analysis of stacking structure and morphology in Ti50(Pt x,Ir50-x) martensite by HRTEM and HAADF-STEM

T. Hara, Y. Yamabe-Mitarai, M. Nishida, E. Okunishi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

The stacking order and morphology of Ti50(Ptx,Ir50-x) martensite were investigated to elucidate the compositional dependence of mechanical properties. Microstructure and stacking sequence were analyzed by TEM, SAED, HRTEM and HAADF-STEM. Observations by (S)TEM revealed each alloy to show different stacking orders: 4H, 6H and 7R for Ti50Pt 12.5lr37.5, Ti50Pt37.5Ir 12.5 and Ti50Pt25Ir25 alloy, respectively. The twinning microstructure also varied according to alloy composition. Ti50Pt12.5lr37.5 alloy is covered with two types of twin, while there are very few twins in Ti50Pt 37.5lr12.5 alloy.

Original languageEnglish
Title of host publicationProceedings of the International Conference on Martensitic Transformations, ICOMAT-08
Pages659-662
Number of pages4
Publication statusPublished - 2009
Event12th International Conference on Martensitic Transformations, ICOMAT-08 - Santa Fe, NM, United States
Duration: Jun 29 2008Jul 5 2008

Publication series

NameProceedings of the International Conference on Martensitic Transformations, ICOMAT-08

Other

Other12th International Conference on Martensitic Transformations, ICOMAT-08
CountryUnited States
CitySanta Fe, NM
Period6/29/087/5/08

All Science Journal Classification (ASJC) codes

  • Materials Chemistry

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  • Cite this

    Hara, T., Yamabe-Mitarai, Y., Nishida, M., & Okunishi, E. (2009). Analysis of stacking structure and morphology in Ti50(Pt x,Ir50-x) martensite by HRTEM and HAADF-STEM. In Proceedings of the International Conference on Martensitic Transformations, ICOMAT-08 (pp. 659-662). (Proceedings of the International Conference on Martensitic Transformations, ICOMAT-08).