Abstract
The macroscopic plastic deformation behaviour of high-quality single crystalline samples of the hexagonal complex metallic alloy μ-Al–Mn was investigated. We have performed uniaxial deformation experiments at a constant strain rate of 10 −5 s −1 at temperatures between 700 and 875 °C and with a compression direction parallel to the c-axis of the crystal structure. The stress–strain curves show a pronounced yield-drop effect followed by a steady-state flow-stress regime. Stress-relaxation tests and temperature changes were performed in order to determine the thermodynamic activation parameters of the deformation process. First microstructural investigations of deformed samples were carried out by means of transmission electron microscopy. In the geometry applied, deformation takes place by two systems of dislocations, both moving by pure climb, which interact by an exchange of vacancies.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
