Thermodynamic assessment of the Pd–Sc system

Zhenmin Du; Changrong Li; Lunwen Lü

doi:10.3139/ijmr-2002-0051

Article

Thermodynamic assessment of the Pd–Sc system

Zhenmin Du , Changrong Li and Lunwen Lü

Published/Copyright: January 4, 2022

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From the journal International Journal of Materials Research Volume 93 Issue 4

Abstract

The Pd–Sc system was critically assessed by means of the CALPHAD technique. The solution phases (liquid and face-centered cubic (Pd)) were modeled with the Redlich-Kister equation. The intermetallic compound PdSc, which has a homogeneity range, was treated as the formula (Pd,Va) Sc by a two-sublattice model with Pd and vacancies, denoted Va, on the first sublattice, whereas Sc on the second one; the others as stoichiometric compounds. A set of self-consistent thermodynamic parameters of the Pd–Sc system was obtained.

Keywords: Pd–Sc system; Rare earth alloys; Thermodynamic model

Prof. Z. Du Department of Materials Science and Engineering University of Science and Technology Beijing Beijing 100083, P.R.China Tel.: +86 10 6233 3772 Fax: +86 10 6233 3772

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Received: 2001-08-27

Published Online: 2022-01-04

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Articles in the same Issue

https://doi.org/10.3139/ijmr-2002-0051

Keywords for this article

Pd–Sc system; Rare earth alloys; Thermodynamic model