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

Analysis of stacking structure and morphology in Ti₅₀(Pt _x,Ir_50-x) martensite by HRTEM and HAADF-STEM

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

Materials Physics and Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

The stacking order and morphology of Ti₅₀(Pt_x,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 _12.5lr_37.5, Ti₅₀Pt_37.5Ir _12.5 and Ti₅₀Pt₂₅Ir₂₅ alloy, respectively. The twinning microstructure also varied according to alloy composition. Ti₅₀Pt_12.5lr_37.5 alloy is covered with two types of twin, while there are very few twins in Ti₅₀Pt _37.5lr_12.5 alloy.

Original language	English
Title of host publication	Proceedings of the International Conference on Martensitic Transformations, ICOMAT-08
Pages	659-662
Number of pages	4
Publication status	Published - 2009
Event	12th International Conference on Martensitic Transformations, ICOMAT-08 - Santa Fe, NM, United States Duration: Jun 29 2008 → Jul 5 2008

Publication series

Name	Proceedings of the International Conference on Martensitic Transformations, ICOMAT-08

Other

Other	12th International Conference on Martensitic Transformations, ICOMAT-08
Country/Territory	United States
City	Santa Fe, NM
Period	6/29/08 → 7/5/08

All Science Journal Classification (ASJC) codes

Materials Chemistry

Cite this

Analysis of stacking structure and morphology in Ti₅₀(Pt _x,Ir_50-x) martensite by HRTEM and HAADF-STEM. / Hara, T.; Yamabe-Mitarai, Y.; Nishida, M. et al.
Proceedings of the International Conference on Martensitic Transformations, ICOMAT-08. 2009. p. 659-662 (Proceedings of the International Conference on Martensitic Transformations, ICOMAT-08).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hara, T, Yamabe-Mitarai, Y, Nishida, M & Okunishi, E 2009, Analysis of stacking structure and morphology in Ti₅₀(Pt _x,Ir_50-x) martensite by HRTEM and HAADF-STEM. in Proceedings of the International Conference on Martensitic Transformations, ICOMAT-08. Proceedings of the International Conference on Martensitic Transformations, ICOMAT-08, pp. 659-662, 12th International Conference on Martensitic Transformations, ICOMAT-08, Santa Fe, NM, United States, 6/29/08.

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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.",

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N2 - 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.

AB - 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.

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