Acoustic emission study of martensitic transition kinetics in Cu-based shape-memory alloys

F J Perez-Reche, E Vives, L Manosa, A Planes

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Abstract

In this paper we study the acoustic emission generated during the martensitic transition of Cu-based shape-memory alloys. We analyze the evolution of the acoustic emission activity on thermal cycling through the transition. A correlation function between the acoustic activity of consecutive cycles is proposed, which gives a quantitative estimation of the reproducibility of the transformation. The results enable the evolution of the kinetic (athermal/isothermal) character of the martensitic transition to be assessed in this alloy.

Original languageEnglish
Pages (from-to)597-600
Number of pages4
JournalJournal de physique iv
Volume112
DOIs
Publication statusPublished - Oct 2003

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