Abstract
NiZrAl system exhibits a broad temperature interval between the glass transition and crystallization temperature, giving thus a possibility of studying microstructural changes taking place both in amorphous and in the undercooled-liquid states. The changes in positron annihilation lifetime spectra in thermally treated Ni 25 Zr 55 Al 20 alloy, as observed previously (3), indicating that positrons annihilate at places with different properties, have been supported by resistivity measurements. Sequential annealing above and below T g is found to activate different micromechanisms controlling microstructural atomic rearangements and affecting the properties of the alloy; the influence of such treatment on nucleation mechanism is discussed.
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.
