Abstract
The temperature variations in the modulus of elasticity (Young’s modulus) E and internal friction Q −1 of the amorphous metal alloys Ti50Cu50−x Nix (5⩽x⩽20) are studied at temperatures of 300–800 K. There is an anomalous increase in E(T) at temperatures above T x (which varies from 440 to 525 K, depending on the composition). When the amount of nickel in the alloy is high (x>12 at. %), a small peak shows up in Q −1(T). These effects are related to structural transitions in near-ordering regions (clusters). A model for structural relaxation of near ordering in amorphous alloys is proposed on the basis of these experiments.
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Fiz. Tverd. Tela (St. Petersburg) 40, 389–392 (March 1998)
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Lavrent’ev, V.I. Near-ordering structural transitions in amorphous metal alloys. Phys. Solid State 40, 354–357 (1998). https://doi.org/10.1134/1.1130325
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DOI: https://doi.org/10.1134/1.1130325