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Designing color in metallic glass

Na, Jong Hyun and Han, Kyung Hee and Garrett, Glenn R. and Launey, Maximilien E. and Demetriou, Marios D. and Johnson, William L. (2019) Designing color in metallic glass. Scientific Reports, 9 . Art. No. 3269. ISSN 2045-2322. PMCID PMC6397249. https://resolver.caltech.edu/CaltechAUTHORS:20190306-093300627

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Abstract

“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.


Item Type:Article
Related URLs:
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https://doi.org/10.1038/s41598-019-40014-wDOIArticle
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6397249PubMed CentralArticle
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.
Subject Keywords:Composites; Glasses; Metals and alloys
PubMed Central ID:PMC6397249
Record Number:CaltechAUTHORS:20190306-093300627
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190306-093300627
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:93572
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:06 Mar 2019 18:07
Last Modified:03 Oct 2019 20:55

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