Change in Al concentration profile related to the D019→L10 structural change in Ti-Al alloys

M. Tanimura; Y. Inoue; Y. Koyama

doi:10.1016/S1359-6462(00)00573-X

Change in Al concentration profile related to the D0₁₉→L1₀ structural change in Ti-Al alloys

M. Tanimura^*, Y. Inoue, Y. Koyama

^*Corresponding author for this work

School of Fundamental Science and Engineering

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

7 Citations (Scopus)

Abstract

The change in the Al concentration profile together with the structural change from hexagonal close packed (hcp) to D0₁₉+L1₀ lamellar structures is described. The chemical compositions of both the B₁₉ and the lattice-destructed (LD) regions as well as that of the D0₁₉ matrix, all of which appear during the structural change in a Ti-40 at.% Al alloy, were measured by analytical electron microscopy. The role of the B₁₉ metastable state in the formation of the LD state and the Al concentration profile for the stability of the LD state are discussed.

Original language	English
Pages (from-to)	365-373
Number of pages	9
Journal	Scripta Materialia
Volume	44
Issue number	2
DOIs	https://doi.org/10.1016/S1359-6462(00)00573-X
Publication status	Published - 2001 Feb 2

ASJC Scopus subject areas

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

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10.1016/S1359-6462(00)00573-X

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abstract = "The change in the Al concentration profile together with the structural change from hexagonal close packed (hcp) to D019+L10 lamellar structures is described. The chemical compositions of both the B19 and the lattice-destructed (LD) regions as well as that of the D019 matrix, all of which appear during the structural change in a Ti-40 at.% Al alloy, were measured by analytical electron microscopy. The role of the B19 metastable state in the formation of the LD state and the Al concentration profile for the stability of the LD state are discussed.",

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AB - The change in the Al concentration profile together with the structural change from hexagonal close packed (hcp) to D019+L10 lamellar structures is described. The chemical compositions of both the B19 and the lattice-destructed (LD) regions as well as that of the D019 matrix, all of which appear during the structural change in a Ti-40 at.% Al alloy, were measured by analytical electron microscopy. The role of the B19 metastable state in the formation of the LD state and the Al concentration profile for the stability of the LD state are discussed.

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Change in Al concentration profile related to the D0₁₉→L1₀ structural change in Ti-Al alloys

Abstract

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