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A Multiple Twin-Roller Casting Technique for Producing Metallic Glass and Metallic Glass Composite Strips

To date it has not been possible to produce metallic glass strips with a thickness larger than 150 μm via single-roller melt spinning technique, and it remains challenging to produce thick metallic glass strips. In this work, a multiple twin-roller casting technique is proposed for producing thick m...

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Autores principales: Wu, Yi, Zhang, Long, Chen, Sen, Li, Wen, Zhang, Haifeng
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6926943/
https://www.ncbi.nlm.nih.gov/pubmed/31766516
http://dx.doi.org/10.3390/ma12233842
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author Wu, Yi
Zhang, Long
Chen, Sen
Li, Wen
Zhang, Haifeng
author_facet Wu, Yi
Zhang, Long
Chen, Sen
Li, Wen
Zhang, Haifeng
author_sort Wu, Yi
collection PubMed
description To date it has not been possible to produce metallic glass strips with a thickness larger than 150 μm via single-roller melt spinning technique, and it remains challenging to produce thick metallic glass strips. In this work, a multiple twin-roller casting technique is proposed for producing thick metallic glass and metallic glass composite strips. A triple twin-roller casting device, as a specific case of the multiple twin-roller, was designed and manufactured. The triple twin-roller device possesses a high cooling rate and involves a long contact time between the melt and the strip, which makes it an efficient technique for producing metallic glass strips that avoids crystallization, although the solidification temperature ranges of metallic glasses are as wide as several hundred Kelvins. The two prepared metallic glass (MG) strips are in a fully amorphous state, and the MG strip shows excellent capacity of stored elastic energy under 3-point bending. Furthermore, the Ti-based metallic glass composite strip produced via the triple twin-roller casting exhibits a novel microstructure with much finer and more homogenously orientated β-Ti crystals, as compared with the microstructure of metallic glass composites produced by the common copper mold casting technique.
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spelling pubmed-69269432019-12-24 A Multiple Twin-Roller Casting Technique for Producing Metallic Glass and Metallic Glass Composite Strips Wu, Yi Zhang, Long Chen, Sen Li, Wen Zhang, Haifeng Materials (Basel) Article To date it has not been possible to produce metallic glass strips with a thickness larger than 150 μm via single-roller melt spinning technique, and it remains challenging to produce thick metallic glass strips. In this work, a multiple twin-roller casting technique is proposed for producing thick metallic glass and metallic glass composite strips. A triple twin-roller casting device, as a specific case of the multiple twin-roller, was designed and manufactured. The triple twin-roller device possesses a high cooling rate and involves a long contact time between the melt and the strip, which makes it an efficient technique for producing metallic glass strips that avoids crystallization, although the solidification temperature ranges of metallic glasses are as wide as several hundred Kelvins. The two prepared metallic glass (MG) strips are in a fully amorphous state, and the MG strip shows excellent capacity of stored elastic energy under 3-point bending. Furthermore, the Ti-based metallic glass composite strip produced via the triple twin-roller casting exhibits a novel microstructure with much finer and more homogenously orientated β-Ti crystals, as compared with the microstructure of metallic glass composites produced by the common copper mold casting technique. MDPI 2019-11-21 /pmc/articles/PMC6926943/ /pubmed/31766516 http://dx.doi.org/10.3390/ma12233842 Text en © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Wu, Yi
Zhang, Long
Chen, Sen
Li, Wen
Zhang, Haifeng
A Multiple Twin-Roller Casting Technique for Producing Metallic Glass and Metallic Glass Composite Strips
title A Multiple Twin-Roller Casting Technique for Producing Metallic Glass and Metallic Glass Composite Strips
title_full A Multiple Twin-Roller Casting Technique for Producing Metallic Glass and Metallic Glass Composite Strips
title_fullStr A Multiple Twin-Roller Casting Technique for Producing Metallic Glass and Metallic Glass Composite Strips
title_full_unstemmed A Multiple Twin-Roller Casting Technique for Producing Metallic Glass and Metallic Glass Composite Strips
title_short A Multiple Twin-Roller Casting Technique for Producing Metallic Glass and Metallic Glass Composite Strips
title_sort multiple twin-roller casting technique for producing metallic glass and metallic glass composite strips
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6926943/
https://www.ncbi.nlm.nih.gov/pubmed/31766516
http://dx.doi.org/10.3390/ma12233842
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