Title:
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Driving rate effects in avalanche-mediated first-order phase transitions
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Author:
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Pérez Reche, Francisco José; Tadic, Bosiljka; Mañosa, Lluís; Planes Vila, Antoni; Vives i Santa-Eulàlia, Eduard
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Other authors:
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Universitat de Barcelona |
Abstract:
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We study the driving-rate and temperature dependence of the power-law exponents that characterize the avalanche distribution in first-order phase transitions. Measurements of acoustic emission in structural transitions in Cu-Zn-Al and Cu-Al-Ni are presented. We show how the observed behavior emerges within a general framework of competing time scales of avalanche relaxation, driving rate, and thermal fluctuations. We confirm our findings by numerical simulations of a prototype model. |
Subject(s):
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-Ciència dels materials -Transformacions de fase (Física estadística) -Phase transitions -Materials science |
Rights:
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(c) American Physical Society, 2004
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Document type:
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Article Article - Published version |
Published by:
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American Physical Society
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