Publication detail
Influence of strain rate on deformation mechanisms of an AZ31 magnesium alloy
TROJANOVÁ, Z. PODRÁBSKÝ, T. LUKÁČ, P. ARMSTRONG, R. PEŠIČKA, J. FOREJT, M.
English title
Influence of strain rate on deformation mechanisms of an AZ31 magnesium alloy
Type
Peer-reviewed article not indexed in WoS or Scopus
Language
en
Original abstract
The paper reports mechanical properties of magnesium alloy AZ31 deformed at low and high srain rates. Material was prepared using squeeze casting technology. Compresion test were deformed at an initial strain rate of 0,000083 1/s at temperatures between room temperature and 300 grad.Celsius. Dynamic compression Hopkinson test were carried out at room temperature with impact velocities ranging from 11,2 to 21,9 m/s. Transmission electron microscopy investigations showed significant dislocation and twins densities. Results are discussed considering the importance of the activation volume determined in the stress relaxation tests obtained at the low strain rate and quite separately, the importance of adiabatic shear banding at hihg strain rates.
Keywords in English
Magnesium alloy; Crystal plasticity; Compression test; Dislocations; Twinning
Released
2013-03-12
Publisher
Carl Hanser Verlag GmbH & Co.KG
Location
München
ISSN
1862-5282
Volume
2013
Number
104
Pages from–to
762–768
Pages count
7
BIBTEX
@article{BUT107032,
author="Zuzanka {Trojanová} and Tomáš {Podrábský} and Pavel {Lukáč} and Ronald W {Armstrong} and Josef {Pešička} and Milan {Forejt}",
title="Influence of strain rate on deformation mechanisms of an AZ31 magnesium alloy",
journal="International Journal of Materials Research",
year="2013",
volume="2013",
number="104",
pages="762--768",
doi="10.3139/146.110922",
issn="1862-5282"
}