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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...
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) | ||||
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| Subjects: | Q Science > QC Physics T Technology > TA Engineering (General). Civil engineering (General) |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering Faculty of Science, Engineering and Medicine > Science > Physics |
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| 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: |
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| 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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