Localization of plastic deformation along shear bands in Vitreloy bulk metallic glass during high pressure torsion

Autor(en)

Zsolt Kovacs, Erhard Schafler, Peter Szommer, Adam Revesz

Abstrakt

Microscopic plastic behavior of high purity commercial Vitreloy 1b glassy disks subjected to high pressure torsion was investigated by analyzing the distortion of a marker grid produced by focused ion beam milling. Scanning electron microscopy and atomic force microscopy are applied to measure offsets of shear bands at the surface. Unlike in other macroscopic deformation tests, short and wavy shear bands with submicron offsets and substantial normal offset components are observed indicating concurrent formation of numerous bands. Material pile-ups along major shear bands result in healing of the glass counterparts.

Organisation(en)

Physik Nanostrukturierter Materialien

Externe Organisation(en)

Eötvös Loránd University Budapest

Journal

Journal of Alloys and Compounds

Band

593

Seiten

207-212

Anzahl der Seiten

6

ISSN

0925-8388

DOI

https://doi.org/10.1016/j.jallcom.2014.01.079

Publikationsdatum

04-2014

Peer-reviewed

Ja

ÖFOS 2012

103018 Materialphysik

Schlagwörter

ASJC Scopus Sachgebiete

Mechanics of Materials, Mechanical Engineering, Metals and Alloys, Materials Chemistry

Link zum Portal

https://ucrisportal.univie.ac.at/de/publications/cb648de0-7593-46bd-98b8-610db524884c