The Al-Co-Pd R-Phase Identity

Benjamin Grushko; Louisa Meshi

doi:10.1007/s11669-022-01001-3

The Al-Co-Pd R-Phase Identity

Benjamin Grushko, Louisa Meshi

Department of Materials Engineering

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

Abstract

The rhombohedral Al-Co-Pd R-phase (Al₇₃Co_13.5Pd_13.5, R3 ¯ , a = 2.91019 nm, c = 1.31854 nm) reported by Simura et al. (Mater Trans JIM 54:1385, 2013) was identified with the Al-Co-Pd U-phase, previously reported by Yurechko et al. (J Alloy Compd 337:172, 2002) as exhibiting a C-centered monoclinic structure. Following a crystallographic group-subgroup analysis, the relationship of the two structural descriptions was proposed, pointing to a possible rhombohedral pseudo-symmetry of the monoclinic U-phase.

Original language	English
Pages (from-to)	529-532
Number of pages	4
Journal	Journal of Phase Equilibria and Diffusion
Volume	43
Issue number	5
DOIs	https://doi.org/10.1007/s11669-022-01001-3
State	Published - 1 Oct 2022

Keywords

Al-Co-Pd
crystal structure
phase diagrams

ASJC Scopus subject areas

Condensed Matter Physics
Metals and Alloys
Materials Chemistry

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10.1007/s11669-022-01001-3

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title = "The Al-Co-Pd R-Phase Identity",

abstract = "The rhombohedral Al-Co-Pd R-phase (Al73Co13.5Pd13.5, R3 ¯ , a = 2.91019 nm, c = 1.31854 nm) reported by Simura et al. (Mater Trans JIM 54:1385, 2013) was identified with the Al-Co-Pd U-phase, previously reported by Yurechko et al. (J Alloy Compd 337:172, 2002) as exhibiting a C-centered monoclinic structure. Following a crystallographic group-subgroup analysis, the relationship of the two structural descriptions was proposed, pointing to a possible rhombohedral pseudo-symmetry of the monoclinic U-phase.",

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AU - Meshi, Louisa

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N2 - The rhombohedral Al-Co-Pd R-phase (Al73Co13.5Pd13.5, R3 ¯ , a = 2.91019 nm, c = 1.31854 nm) reported by Simura et al. (Mater Trans JIM 54:1385, 2013) was identified with the Al-Co-Pd U-phase, previously reported by Yurechko et al. (J Alloy Compd 337:172, 2002) as exhibiting a C-centered monoclinic structure. Following a crystallographic group-subgroup analysis, the relationship of the two structural descriptions was proposed, pointing to a possible rhombohedral pseudo-symmetry of the monoclinic U-phase.

AB - The rhombohedral Al-Co-Pd R-phase (Al73Co13.5Pd13.5, R3 ¯ , a = 2.91019 nm, c = 1.31854 nm) reported by Simura et al. (Mater Trans JIM 54:1385, 2013) was identified with the Al-Co-Pd U-phase, previously reported by Yurechko et al. (J Alloy Compd 337:172, 2002) as exhibiting a C-centered monoclinic structure. Following a crystallographic group-subgroup analysis, the relationship of the two structural descriptions was proposed, pointing to a possible rhombohedral pseudo-symmetry of the monoclinic U-phase.

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KW - crystal structure

KW - phase diagrams

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The Al-Co-Pd R-Phase Identity

Abstract

Keywords

ASJC Scopus subject areas

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