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Scandium-based hexagonally-closed packed multi-component alloys / Sephira Riva, Nicholas Lavery, Kirill Yusenko, Steve Brown

Physics of Metals and Metallography, Issue: 8

Swansea University Authors: Nicholas Lavery, Steve Brown

Abstract

Since their early development, High-Entropy Alloys have fueled the investigation of exotic metal combinations. Here, we present a strategy for the rational design of a library for multi-component alloys based on six hcp-structured metals. Seven five- and six-component equimolar alloys based on Co, G...

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Published in: Physics of Metals and Metallography
ISSN: 0015-3230
Published: 2018
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa37646
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Abstract: Since their early development, High-Entropy Alloys have fueled the investigation of exotic metal combinations. Here, we present a strategy for the rational design of a library for multi-component alloys based on six hcp-structured metals. Seven five- and six-component equimolar alloys based on Co, Gd, Y, Sc, Ti and Zr were prepared via induction melting and characterized by PXRD, SEM–EDX and Vickers hardness. They all present ternary hexagonal phases (ScTiZr or GdScY) co-existing with one or more cubic phases and intermetallic compounds. Both ScTiZr and GdScY appear promising as the starting point for new single-phase High-Entropy Alloys families.
College: College of Engineering
Issue: 8