Journal Article

FZJ-2015-03582

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Again regarding the Al−Pd phase diagram

Grushko, B. (Corresponding Author)FZJ*

2013
Elsevier Lausanne

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Please use a persistent id in citations: doi:10.1016/j.jallcom.2012.12.145

Abstract: The Al−Pd phase diagram was experimentally reinvestigated in the region around the equiatomic composition. The high-temperature β-phase (CsCl-type structure) forming around AlPd transforms by cooling to a rhombohedral β′-phase, which only being metastable, strongly resists transformation to the stable low-temperature μ-phase (FeSi-type structure). The composition of the β-phase ranges between Al57.5Pd42.5 (at 949 °C) and Al45Pd55 (at 1315 °C). The highest existence temperature of the μ-phase is 745 °C at ∼Al52Pd48. The reaction β ↔ μ + δ occurs at 735 °C and Al53Pd47 composition; the reaction β ↔ μ + ν occurs (provisionally) at somewhat below 630 °C and ∼Al48Pd52 composition. No eutectoid decomposition of the ν-phase was observed down to 400 °C. A compositional continuity of the high-temperature complex ε6 and ε28 phases is argued.

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Contributing Institute(s):

1. Mikrostrukturforschung (PGI-5)

Research Program(s):

1. 424 - Exploratory materials and phenomena (POF2-424) (POF2-424)

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Database coverage:
; Current Contents - Physical, Chemical and Earth Sciences ; IF < 5 ; JCR ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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