Influence of HPT deformation on the structure and properties of amorphous alloys

D Gunderov, V Astanin - Metals, 2020 - mdpi.com
Recent studies showed that structural changes in amorphous alloys under high pressure
torsion (HPT) are determined by their chemical composition and processing regimes. For …

[HTML][HTML] Structural and mechanical characterization of heterogeneities in a CuZr-based bulk metallic glass processed by high pressure torsion

C Ebner, B Escher, C Gammer, J Eckert, S Pauly… - Acta Materialia, 2018 - Elsevier
Abstract Cu 45 Zr 45 Al 5 Ag 5 bulk metallic glass samples, processed by high pressure
torsion (HPT) under various conditions, were characterized using synchrotron X-ray …

Accumulative HPT of Zr-based bulk metallic glasses

DV Gunderov, AA Churakova, VV Astanin… - Materials Letters, 2020 - Elsevier
Studies show that with the HPT of bulk metallic glass, the actual achievable strain is
significantly lower than the one predicted by the equation γ= 2 π n R/h. Such a discrepancy …

[HTML][HTML] Severe plastic deformation of amorphous alloys

Á Révész, Z Kovács - Materials Transactions, 2019 - jstage.jst.go.jp
Bulk metallic glasses having a disordered amorphous structure have been in the focus of
recent intensive materials research due to their special mechanical properties, however …

Observation of shear bands in the Vitreloy metallic glass subjected to HPT processing

DV Gunderov, AA Churakova, EV Boltynjuk… - Journal of Alloys and …, 2019 - Elsevier
The parameters of shear band evolution with deformation were examined in the Vit105 bulk
metallic glass. For this purpose, two halves of disks of the bulk metallic glass were joined …

Effect of mechanically induced structural rejuvenation on the deformation behaviour of CuZr based bulk metallic glass

C Ebner, S Pauly, J Eckert, C Rentenberger - Materials Science and …, 2020 - Elsevier
Severe plastic deformation of bulk metallic glasses leads to rejuvenation of the amorphous
structure. Here we present results demonstrating an improved plasticity for a Cu 45 Zr 45 Al …

Influence of high-pressure torsion and accumulative high-pressure torsion on microstructure and properties of Zr-based bulk metallic glass Vit105

D Gunderov, V Astanin, A Churakova, V Sitdikov… - Metals, 2020 - mdpi.com
Vit105 (Zr52. 5Cu17. 9Ni14. 6Al10Ti5 at.%) bulk metallic glass samples were processed by
high-pressure torsion and accumulative high-pressure torsion. By DSC, XRD and SANS …

[HTML][HTML] In-situ compression with acoustic emission detection of high pressure torsion deformed Cu38Zr54Al8 metallic glass micropillars

T Arjmandabasi, D Ugi, Á Révész, E Schafler… - Journal of Alloys and …, 2023 - Elsevier
In-situ compression of Cu 38 Zr 54 Al 8 metallic glass micropillars in a scanning electron
microscope was performed together with continuous acoustic emission recording on …

Crystallization Kinetics on Melt Spun and HPT-Processed Zr62Cu22Al10Fe5Dy1 Metallic Glass

Y Prabhu, AK Srivastav, A Churakova… - … Materials Transactions A, 2023 - Springer
The influence of conventional and accumulative HPT (Acc. HPT) process on structural
properties of Zr62Cu22Al10Fe5Dy1 metallic glass (MG) phase is examined by X-ray …

[HTML][HTML] Influence of HPT and accumulative high-pressure torsion on the structure and Hv of a zirconium alloy

D Gunderov, A Stotskiy, Y Lebedev, V Mukaeva - Metals, 2021 - mdpi.com
The authors previously used the accumulative high-pressure torsion (ACC HPT) method for
the first time on steel 316, β-Ti alloy, and bulk metallic glass vit105. On low-alloyed alloys, in …