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Phase separation process preventing embrittlement of a Zr-Cu-Fe-Al bulk metallic glass.
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2019 (English)In: Scripta Materialia, ISSN 1359-6462, E-ISSN 1872-8456, Vol. 167, p. 31-36Article in journal (Refereed) Published
Abstract [en]

The structural changes and mechanical properties of a Zr 63 Cu 22 Fe 5 Al 10 bulk metallic glass (BMG), and a Zr 63 Cu 27 Al 10 one made for comparison, were studied on annealing below the crystallization temperature. The phase composition of the samples was studied by conventional X-ray diffractometry and high-resolution transmission electron microscopy including the atomic-scale elemental mapping. The samples were mechanically tested in compression. The Zr 63 Cu 22 Fe 5 Al 10 bulk metallic glass shows a high strength and good deformability at room temperature both in the as-cast state and after prolonged structural relaxation below the crystallization temperature. The reasons for such behavior are discussed in the present work.

Place, publisher, year, edition, pages
2019. Vol. 167, p. 31-36
National Category
Metallurgy and Metallic Materials
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URN: urn:nbn:se:kth:diva-249228DOI: 10.1016/j.scriptamat.2019.03.030ISI: 000468720000007Scopus ID: 2-s2.0-85063611861OAI: oai:DiVA.org:kth-249228DiVA, id: diva2:1304045
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QC 20190521

Available from: 2019-04-11 Created: 2019-04-11 Last updated: 2019-06-11Bibliographically approved

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