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Metals 2015, 5(2), 720-729;

Production of Bulk Metallic Glasses by Severe Plastic Deformation

Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, Leoben 8700, Austria
Physics of Nanostructured Materials, Faculty of Physics, University of Vienna, Vienna 1090, Austria
Institut de Chimie et des Matériaux Paris-Est, Université Paris-Est Créteil, Thiais 94320, France
Department of Materials Physics, University of Leoben, Leoben 8700, Austria
Author to whom correspondence should be addressed.
Academic Editor: Heinz Werner Hoppel
Received: 31 March 2015 / Revised: 20 April 2015 / Accepted: 23 April 2015 / Published: 30 April 2015
(This article belongs to the Special Issue Ultrafine-grained Metals)
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The aim of this study was to show the possibility to produce bulk metallic glass with severe plastic deformation. High pressure torsion was used to consolidate Zr-based metallic glass powder and deform it further to weld the powder particles together. The produced samples were investigated with Scanning electron microscope (SEM), Transmission electron microscope (TEM), Differential scanning calorimetry (DSC) and X-ray diffraction (XRD) to check if the specimens are fully dense and have an amorphous structure. The results show that the specimens remain amorphous during high pressure torsion and the density depends on the applied strain. Additional Vickers hardness measurements enable a comparison with literature and show for Zr-based metallic glass powder typical values (approximately 500 HV). View Full-Text
Keywords: severe plastic deformation; bulk metallic glass; Zr severe plastic deformation; bulk metallic glass; Zr

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Krämer, L.; Kormout, K.S.; Setman, D.; Champion, Y.; Pippan, R. Production of Bulk Metallic Glasses by Severe Plastic Deformation. Metals 2015, 5, 720-729.

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