Electropolishing conditions for trace analysis of B19′ martensite in Ti-Ni shape memory alloys

T. Nishiura; K. Hayashi; M. Nishida

doi:10.1016/j.msea.2007.01.181

Electropolishing conditions for trace analysis of B19′ martensite in Ti-Ni shape memory alloys

T. Nishiura, K. Hayashi, M. Nishida

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

The electropolishing conditions of thin foil specimens for the crystallographic analysis of the B19′ martensite in the Ti-Ni shape memory alloy have been investigated. The specimens are electropolished between the martensite-start and the martensite-finish temperatures in three electrolytes; H₂SO₄-CH₃OH, HNO₃-CH₃OH and HClO₄-(CH₃CO)₂O. The traces of the martensite morphology are clearly retained on the foil surface polished in the HNO₃-CH₃OH solution. The microreversibility of the martensite morphology during in situ cooling experiments in the transmission election microscope is examined in the obtained foil. No microreversibility is observed in the foil. In order to confirm the validity of the residual traces for the crystallographic investigation of the martensite morphology, a preliminary analysis based on the lattice correspondence between the B2 and B19′ structures is carried out.

Original language	English
Pages (from-to)	446-451
Number of pages	6
Journal	Materials Science and Engineering A
Volume	481-482
Issue number	1-2 C
DOIs	https://doi.org/10.1016/j.msea.2007.01.181
Publication status	Published - May 25 2008
Externally published	Yes

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/j.msea.2007.01.181

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title = "Electropolishing conditions for trace analysis of B19′ martensite in Ti-Ni shape memory alloys",

abstract = "The electropolishing conditions of thin foil specimens for the crystallographic analysis of the B19′ martensite in the Ti-Ni shape memory alloy have been investigated. The specimens are electropolished between the martensite-start and the martensite-finish temperatures in three electrolytes; H2SO4-CH3OH, HNO3-CH3OH and HClO4-(CH3CO)2O. The traces of the martensite morphology are clearly retained on the foil surface polished in the HNO3-CH3OH solution. The microreversibility of the martensite morphology during in situ cooling experiments in the transmission election microscope is examined in the obtained foil. No microreversibility is observed in the foil. In order to confirm the validity of the residual traces for the crystallographic investigation of the martensite morphology, a preliminary analysis based on the lattice correspondence between the B2 and B19′ structures is carried out.",

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T1 - Electropolishing conditions for trace analysis of B19′ martensite in Ti-Ni shape memory alloys

AU - Nishiura, T.

AU - Hayashi, K.

AU - Nishida, M.

PY - 2008/5/25

Y1 - 2008/5/25

N2 - The electropolishing conditions of thin foil specimens for the crystallographic analysis of the B19′ martensite in the Ti-Ni shape memory alloy have been investigated. The specimens are electropolished between the martensite-start and the martensite-finish temperatures in three electrolytes; H2SO4-CH3OH, HNO3-CH3OH and HClO4-(CH3CO)2O. The traces of the martensite morphology are clearly retained on the foil surface polished in the HNO3-CH3OH solution. The microreversibility of the martensite morphology during in situ cooling experiments in the transmission election microscope is examined in the obtained foil. No microreversibility is observed in the foil. In order to confirm the validity of the residual traces for the crystallographic investigation of the martensite morphology, a preliminary analysis based on the lattice correspondence between the B2 and B19′ structures is carried out.

AB - The electropolishing conditions of thin foil specimens for the crystallographic analysis of the B19′ martensite in the Ti-Ni shape memory alloy have been investigated. The specimens are electropolished between the martensite-start and the martensite-finish temperatures in three electrolytes; H2SO4-CH3OH, HNO3-CH3OH and HClO4-(CH3CO)2O. The traces of the martensite morphology are clearly retained on the foil surface polished in the HNO3-CH3OH solution. The microreversibility of the martensite morphology during in situ cooling experiments in the transmission election microscope is examined in the obtained foil. No microreversibility is observed in the foil. In order to confirm the validity of the residual traces for the crystallographic investigation of the martensite morphology, a preliminary analysis based on the lattice correspondence between the B2 and B19′ structures is carried out.

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JO - Materials Science and Engineering A

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Electropolishing conditions for trace analysis of B19′ martensite in Ti-Ni shape memory alloys

Abstract

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