Stiff, light, strong and ductile: nano-structured High Modulus Steel

Abstract Structural material development for lightweight applications aims at improving the key parameters strength, stiffness and ductility at low density, but these properties are typically mutually exclusive. Here we present how we overcome this trade-off with a new class of nano-structured steel...

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Autores principales:	H. Springer, C. Baron, A. Szczepaniak, V. Uhlenwinkel, D. Raabe
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3918ff9f725541db86954f5961a07190
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spelling	oai:doaj.org-article:3918ff9f725541db86954f5961a071902021-12-02T15:06:14ZStiff, light, strong and ductile: nano-structured High Modulus Steel10.1038/s41598-017-02861-32045-2322https://doaj.org/article/3918ff9f725541db86954f5961a071902017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-02861-3https://doaj.org/toc/2045-2322Abstract Structural material development for lightweight applications aims at improving the key parameters strength, stiffness and ductility at low density, but these properties are typically mutually exclusive. Here we present how we overcome this trade-off with a new class of nano-structured steel – TiB2 composites synthesised in-situ via bulk metallurgical spray-forming. Owing to the nano-sized dispersion of the TiB2 particles of extreme stiffness and low density – obtained by the in-situ formation with rapid solidification kinetics – the new material has the mechanical performance of advanced high strength steels, and a 25% higher stiffness/density ratio than any of the currently used high strength steels, aluminium, magnesium and titanium alloys. This renders this High Modulus Steel the first density-reduced, high stiffness, high strength and yet ductile material which can be produced on an industrial scale. Also ideally suited for 3D printing technology, this material addresses all key requirements for high performance and cost effective lightweight design.H. SpringerC. BaronA. SzczepaniakV. UhlenwinkelD. RaabeNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-6 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q H. Springer C. Baron A. Szczepaniak V. Uhlenwinkel D. Raabe Stiff, light, strong and ductile: nano-structured High Modulus Steel
description	Abstract Structural material development for lightweight applications aims at improving the key parameters strength, stiffness and ductility at low density, but these properties are typically mutually exclusive. Here we present how we overcome this trade-off with a new class of nano-structured steel – TiB2 composites synthesised in-situ via bulk metallurgical spray-forming. Owing to the nano-sized dispersion of the TiB2 particles of extreme stiffness and low density – obtained by the in-situ formation with rapid solidification kinetics – the new material has the mechanical performance of advanced high strength steels, and a 25% higher stiffness/density ratio than any of the currently used high strength steels, aluminium, magnesium and titanium alloys. This renders this High Modulus Steel the first density-reduced, high stiffness, high strength and yet ductile material which can be produced on an industrial scale. Also ideally suited for 3D printing technology, this material addresses all key requirements for high performance and cost effective lightweight design.
format	article
author	H. Springer C. Baron A. Szczepaniak V. Uhlenwinkel D. Raabe
author_facet	H. Springer C. Baron A. Szczepaniak V. Uhlenwinkel D. Raabe
author_sort	H. Springer
title	Stiff, light, strong and ductile: nano-structured High Modulus Steel
title_short	Stiff, light, strong and ductile: nano-structured High Modulus Steel
title_full	Stiff, light, strong and ductile: nano-structured High Modulus Steel
title_fullStr	Stiff, light, strong and ductile: nano-structured High Modulus Steel
title_full_unstemmed	Stiff, light, strong and ductile: nano-structured High Modulus Steel
title_sort	stiff, light, strong and ductile: nano-structured high modulus steel
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/3918ff9f725541db86954f5961a07190
work_keys_str_mv	AT hspringer stifflightstrongandductilenanostructuredhighmodulussteel AT cbaron stifflightstrongandductilenanostructuredhighmodulussteel AT aszczepaniak stifflightstrongandductilenanostructuredhighmodulussteel AT vuhlenwinkel stifflightstrongandductilenanostructuredhighmodulussteel AT draabe stifflightstrongandductilenanostructuredhighmodulussteel
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Stiff, light, strong and ductile: nano-structured High Modulus Steel

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