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Metals 2016, 6(2), 30; doi:10.3390/met6020030

Ti/Al Multi-Layered Sheets: Accumulative Roll Bonding (Part A)

1
Leibniz Institut für Festkörper- und Werkstoffforschung Dresden (IFW Dresden), Helmholtzstr. 20, Dresden D-01069, Germany
2
Institut fürWerkstoffwissenschaft, Technische Universität Dresden, Dresden D-01062, Germany
3
Institut fürWerkstoffwissenschaft, Technische Universität Bergakademie Freiberg, Gustav-Zeuner-Str. 5, Freiberg D-09599, Germany
4
Carl Wezel KG, Industriestr. 95, Mühlacker D-75417, Germany
5
Lehrstuhl Metallkunde und Werkstofftechnik, Brandenburgische Technische Universität Cottbus, Konrad-Wachsmann-Allee 17, Cottbus D-03046, Germany
6
Institut für Strukturphysik, Technische Universität Dresden, Dresden D-01062, Germany
7
Erich Schmid Institut für Materialwissenschaft, Österreichische Akademie der Wissenschaft, Jahnstraße 12, Leoben A-8700, Austria
8
Department Materialphysik, Montanuniversität Leoben, Jahnstraße 12, Leoben A-8700, Austria
*
Author to whom correspondence should be addressed.
Academic Editor: Hugo F. Lopez
Received: 26 November 2015 / Revised: 20 January 2016 / Accepted: 25 January 2016 / Published: 2 February 2016
View Full-Text   |   Download PDF [9627 KB, uploaded 2 February 2016]   |  

Abstract

Co-deformation of Al and Ti by accumulative roll bonding (ARB) with intermediate heat treatments is utilized to prepare multi-layered Ti/Al sheets. These sheets show a high specific strength due to the activation of various hardening mechanisms imposed during deformation, such as: hardening by grain refinement, work hardening and phase boundary hardening. The latter is even enhanced by the confinement of the layers during deformation. The evolution of the microstructure with a special focus on grain refinement and structural integrity is traced, and the correlation to the mechanical properties is shown. View Full-Text
Keywords: accumulative roll bonding; Ti/Al multi-layered composites; grain refinement; microstructure; mechanical properties accumulative roll bonding; Ti/Al multi-layered composites; grain refinement; microstructure; mechanical properties
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MDPI and ACS Style

Romberg, J.; Freudenberger, J.; Bauder, H.; Plattner, G.; Krug, H.; Holländer, F.; Scharnweber, J.; Eschke, A.; Kühn, U.; Klauß, H.; Oertel, C.-G.; Skrotzki, W.; Eckert, J.; Schultz, L. Ti/Al Multi-Layered Sheets: Accumulative Roll Bonding (Part A). Metals 2016, 6, 30.

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