Title: Low frequency amplitude-dependent relaxation in Cu-Al-Ni crystals
Authors: Kustov, S ×
Golyandin, S
Van Humbeeck, Jan
deBatist, R #
Issue Date: Dec-1996
Publisher: Editions physique
Series Title: Journal de physique iv vol:6 issue:C8 pages:321-324
Abstract: Pronounced peculiarities of the frequency and amplitude dependences of the amplitude-dependent internal friction have been revealed in martensitic beta(1)' phase of quenched Cu-Al-Ni single crystals at temperatures 200-340 K. These peculiarities were not observed in beta(1)' phase for crystals, subjected to ageing in austenite. Application of several experimental techniques, one of which enabled to observe directly a reversible anelastic strain during amplitude-dependent internal friction measurements, allowed to attribute the observed peculiarities of the frequency dependence in quenched samples to relaxation phenomena due to an interaction of mobile partial dislocations with mobile pinning obstacles.
ISSN: 1155-4339
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Metallurgy and Materials Engineering Section (-)
× corresponding author
# (joint) last author

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