C11b type precipitates in B2 parent and B19 martensitic matrices in Ti-Pd alloy

Minoru Nishida; Mitsuhiro Matsuda; Daisuke Hashimoto

C11b type precipitates in B2 parent and B19 martensitic matrices in Ti-Pd alloy

Minoru Nishida, Mitsuhiro Matsuda, Daisuke Hashimoto

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

Abstract

The morphology and crystallography of the Ti₂Pd phase with C11_b structure precipitated in B2 parent and B19 martensitic matrices in a Ti-rich Ti-Pd shape memory alloy have been investigated by transmission electron microscopy. Three Ti₂Pd variants are recognized in the specimen aged above the A_f temperature, i.e., in the B2 matrix. On the other hand, four Ti2Pd variants are confirmed in the specimen aged below the A_s temperature, i.e., in the B19 matrix. The ori.entation relationship between the Ti₂Pd precipitate and each matrix is consistent with the number of Ti₂Pd variants. The Ti ₂Pd precipitates in the B2 and the B19 matrices have disk and polygonal plate shapes, respectively. The c-axis of Ti₂Pd precipitate in the B2 matrix is perpendicular to the disk surface. On the other hand, that in the B19 matrix is parallel to the plate surface. These differences are well explained by the magnitude of the coherent strain.

Original language	English
Title of host publication	Proceedings of an International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2005
Editors	J.M. Howe, D.E. Laughlin, J.K. Lee, U. Dahmen, W.A. Soffa
Pages	81-86
Number of pages	6
Volume	2
Publication status	Published - 2005
Externally published	Yes
Event	International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2005 - Phoenix, AZ, United States Duration: May 29 2005 → Jun 3 2005

Other

Other	International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2005
Country/Territory	United States
City	Phoenix, AZ
Period	5/29/05 → 6/3/05

All Science Journal Classification (ASJC) codes

Engineering(all)

Cite this

C11b type precipitates in B2 parent and B19 martensitic matrices in Ti-Pd alloy. / Nishida, Minoru; Matsuda, Mitsuhiro; Hashimoto, Daisuke.
Proceedings of an International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2005. ed. / J.M. Howe; D.E. Laughlin; J.K. Lee; U. Dahmen; W.A. Soffa. Vol. 2 2005. p. 81-86.

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

Nishida, M, Matsuda, M & Hashimoto, D 2005, C11b type precipitates in B2 parent and B19 martensitic matrices in Ti-Pd alloy. in JM Howe, DE Laughlin, JK Lee, U Dahmen & WA Soffa (eds), Proceedings of an International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2005. vol. 2, pp. 81-86, International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2005, Phoenix, AZ, United States, 5/29/05.

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title = "C11b type precipitates in B2 parent and B19 martensitic matrices in Ti-Pd alloy",

abstract = "The morphology and crystallography of the Ti2Pd phase with C11b structure precipitated in B2 parent and B19 martensitic matrices in a Ti-rich Ti-Pd shape memory alloy have been investigated by transmission electron microscopy. Three Ti2Pd variants are recognized in the specimen aged above the Af temperature, i.e., in the B2 matrix. On the other hand, four Ti2Pd variants are confirmed in the specimen aged below the As temperature, i.e., in the B19 matrix. The ori.entation relationship between the Ti2Pd precipitate and each matrix is consistent with the number of Ti2Pd variants. The Ti 2Pd precipitates in the B2 and the B19 matrices have disk and polygonal plate shapes, respectively. The c-axis of Ti2Pd precipitate in the B2 matrix is perpendicular to the disk surface. On the other hand, that in the B19 matrix is parallel to the plate surface. These differences are well explained by the magnitude of the coherent strain.",

author = "Minoru Nishida and Mitsuhiro Matsuda and Daisuke Hashimoto",

year = "2005",

language = "English",

volume = "2",

pages = "81--86",

editor = "J.M. Howe and D.E. Laughlin and J.K. Lee and U. Dahmen and W.A. Soffa",

booktitle = "Proceedings of an International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2005",

note = "International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2005 ; Conference date: 29-05-2005 Through 03-06-2005",

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TY - GEN

T1 - C11b type precipitates in B2 parent and B19 martensitic matrices in Ti-Pd alloy

AU - Nishida, Minoru

AU - Matsuda, Mitsuhiro

AU - Hashimoto, Daisuke

PY - 2005

Y1 - 2005

N2 - The morphology and crystallography of the Ti2Pd phase with C11b structure precipitated in B2 parent and B19 martensitic matrices in a Ti-rich Ti-Pd shape memory alloy have been investigated by transmission electron microscopy. Three Ti2Pd variants are recognized in the specimen aged above the Af temperature, i.e., in the B2 matrix. On the other hand, four Ti2Pd variants are confirmed in the specimen aged below the As temperature, i.e., in the B19 matrix. The ori.entation relationship between the Ti2Pd precipitate and each matrix is consistent with the number of Ti2Pd variants. The Ti 2Pd precipitates in the B2 and the B19 matrices have disk and polygonal plate shapes, respectively. The c-axis of Ti2Pd precipitate in the B2 matrix is perpendicular to the disk surface. On the other hand, that in the B19 matrix is parallel to the plate surface. These differences are well explained by the magnitude of the coherent strain.

AB - The morphology and crystallography of the Ti2Pd phase with C11b structure precipitated in B2 parent and B19 martensitic matrices in a Ti-rich Ti-Pd shape memory alloy have been investigated by transmission electron microscopy. Three Ti2Pd variants are recognized in the specimen aged above the Af temperature, i.e., in the B2 matrix. On the other hand, four Ti2Pd variants are confirmed in the specimen aged below the As temperature, i.e., in the B19 matrix. The ori.entation relationship between the Ti2Pd precipitate and each matrix is consistent with the number of Ti2Pd variants. The Ti 2Pd precipitates in the B2 and the B19 matrices have disk and polygonal plate shapes, respectively. The c-axis of Ti2Pd precipitate in the B2 matrix is perpendicular to the disk surface. On the other hand, that in the B19 matrix is parallel to the plate surface. These differences are well explained by the magnitude of the coherent strain.

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AN - SCOPUS:33645225602

VL - 2

SP - 81

EP - 86

BT - Proceedings of an International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2005

A2 - Howe, J.M.

A2 - Laughlin, D.E.

A2 - Lee, J.K.

A2 - Dahmen, U.

A2 - Soffa, W.A.

T2 - International Conference on Solid-Solid Phase Transformations in Inorganic Materials 2005

Y2 - 29 May 2005 through 3 June 2005

ER -

C11b type precipitates in B2 parent and B19 martensitic matrices in Ti-Pd alloy

Abstract

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