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Open AccessArticle

Production of Bulk Metallic Glasses by Severe Plastic Deformation

1
Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, Leoben 8700, Austria
2
Physics of Nanostructured Materials, Faculty of Physics, University of Vienna, Vienna 1090, Austria
3
Institut de Chimie et des Matériaux Paris-Est, Université Paris-Est Créteil, Thiais 94320, France
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Department of Materials Physics, University of Leoben, Leoben 8700, Austria
*
Author to whom correspondence should be addressed.
Academic Editor: Heinz Werner Hoppel
Metals 2015, 5(2), 720-729; https://doi.org/10.3390/met5020720
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)
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
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MDPI and ACS Style

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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