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Acoustic emission avalanches in Martensitic Transitions : new perspectives for the problem of source location

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Vives, Eduard, Soto Parra, Daniel Enrique, Planes, Antoni, Mañosa, Lluís, Romero, Ricardo, Edwards, R. S. (Rachel S.) and Dixon, S. (2011) Acoustic emission avalanches in Martensitic Transitions : new perspectives for the problem of source location. In: Phase Transformations in Inorganic Materials (PTM), Avignon, France, 6-10 June 2010. Published in: Solid State Phenomena, Vol.172-174 pp. 144-149. doi:10.4028/www.scientific.net/SSP.172-174.144 ISSN 1662-9779.

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Official URL: http://dx.doi.org/10.4028/www.scientific.net/SSP.1...

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Abstract

Different experimental procedures for the location of sources of Acoustic Emission (AE) avalanches during Martensitic Transformations are discussed. A first example corresponds to the 1D location of AE events during stress-induced martensitic transitions in a Cu-Zn-Al shape memory alloy (3.5 cm length). The obtained data allows monitoring of the interface advancement with a spatial resolution of less than 1 mm. Secondly, we discuss two different ideas that have significant potential for improving this resolution in the case of thermally induced transitions in small single crystalline samples (~1 cm): the use of elastodynamic simulations based on finite element methods and the simultaneous detection of AE and Barkhausen noise in ferromagnetic samples.

Item Type: Conference Item (Paper)
Subjects: Q Science > QC Physics
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Faculty of Science, Engineering and Medicine > Science > Physics
Library of Congress Subject Headings (LCSH): Acoustic emission, Barkhausen effect, Finite element method, Phase transformations (Statistical physics)
Journal or Publication Title: Solid State Phenomena
Publisher: Scitec Publications Ltd.
ISSN: 1662-9779
Official Date: June 2011
Dates:
DateEvent
June 2011Published
Volume: Vol.172-174
Page Range: pp. 144-149
DOI: 10.4028/www.scientific.net/SSP.172-174.144
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Conference Paper Type: Paper
Title of Event: Phase Transformations in Inorganic Materials (PTM)
Type of Event: Conference
Location of Event: Avignon, France
Date(s) of Event: 6-10 June 2010

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