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Published March 1, 2019 | Supplemental Material + Published
Journal Article Open

Designing color in metallic glass


"Designing" metallic glasses to exhibit properties beyond those offered within the narrow composition ranges where glass formation is possible poses a formidable scientific challenge. This challenge may be tackled by forming composite structures comprising a metallic glass matrix and homogeneously precipitated dendrites, known as "metallic glass matrix composites" (MGMCs). In principle, MGMCs can be designed to exploit the attractive performance characteristics of the metallic glass while alleviating its negative undesirable attributes. In this work we introduce a MGMC development concept for designing color in metallic glass. MGMCs consisting of a white-gold metallic glass matrix with finely dispersed yellow-gold microdendrites are explored. A series of gold MGMCs is developed displaying uniform and visually-unresolved yellow colors over a broad range of chromaticity, along with high overall hardness. This design concept paves the way for the development of a new generation of metal alloys that combine advanced engineering performance with attractive cosmetic attributes.

Additional Information

© 2019 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. Received 31 October 2018; Accepted 25 January 2019; Published 01 March 2019. Data Availability: All data generated or analyzed during this study are included in this published article (and its Supplementary Information files). Author Contributions: J.H.N. and K.H.H. performed the alloy development, G.G. and M.E.L. performed the alloy characterization, M.D.D. and W.L.J. wrote the main manuscript. Competing Interests: All authors have financial interests in Glassimetal Technology, Inc.

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Published - 41598_2019_Article_40014.pdf

Supplemental Material - 41598_2019_40014_MOESM1_ESM.pdf


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