Effects of plastic deformation and hydrogen charging on the internal friction in bulk and ribbon metallic glasses Zr52.5Cu17.9Ni14.6Al10Ti5 and Pd40Cu30Ni10P20
Abstract:Two different types of metallic glasses, a metal-metal-based and a metal-metalloid-based one, in both bulk and ribbon form (i.e., produced with very different quenching rates) are compared with respect to their structural relaxation behavior during continuous heating (2 K/min) in a vibrating-reed set-up (frequencies 0.2–5 kHz). The variation of damping as a function of temperature, time, and strain amplitude is shown as a measure of the content of structural relaxation centers, whose nature is studied by means… Show more
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