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dc.contributor.author
Katchadjian, Pablo Esteban
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dc.contributor.author
García, Alejandro
dc.contributor.author
Brizuela, Jose David
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dc.contributor.author
Camacho, Jorge
dc.contributor.author
Gómez Álvarez Arenas, Tomás
dc.contributor.author
Chiné, Bruno
dc.contributor.author
Mussi, Valerio
dc.date.available
2019-06-05T20:55:14Z
dc.date.issued
2017-02
dc.identifier.citation
Katchadjian, Pablo Esteban; García, Alejandro; Brizuela, Jose David; Camacho, Jorge; Gómez Álvarez Arenas, Tomás; et al.; Ultrasonic techniques for the detection of discontinuities in aluminum foams; American Institute of Physics; AIP Conference Proceedings; 1806; 1; 2-2017; 1-8
dc.identifier.issn
0094-243X
dc.identifier.uri
http://hdl.handle.net/11336/77698
dc.description.abstract
Metal foams are interesting materials with many potential applications. They are characterized by a cellular structure, that is the metals or metal alloys foamed include gas voids in the material. Their particular lightweight structure and physical, chemical and mechanical properties make them suitable for a wide range of industrial applications in different sectors. For industrial applications, metal foams offer attractive combinations of low density, high stiffness to weight ratio, good energy absorption and vibration damping capacity that cannot be obtained with other materials. The control of the foaming process and the characterization of the metal foam are important issues in order to obtain a product with good properties and guarantee the quality of a mechanical component. The characterization and control of mechanical components and sandwich panels manufactured with metal foams require the assessment of the defects present in this material, like large pores or imperfections which are responsible of deteriorating the mechanical performance. Therefore, specific methods of non-destructive testing are required, both in the manufacturing process and during the life of the component. In this work, some ultrasonic transmission techniques developed for detection of defects associated with the manufacturing process of aluminum foams are proposed. These techniques were used on plates and structures of different thicknesses and geometries formed with this material. Ultrasonic transmission techniques were carried out both, with low frequency air coupled transducers, and higher frequency transducers, focused and unfocused, by contact and immersion. To validate the results, the ultrasonic images obtained were compared with radiographic images of the foam.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Institute of Physics
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Non Destructive Testing
dc.subject
Materials Characterization
dc.subject
Ultrasonic Techniques
dc.subject
Air Coupled Ultrasound
dc.subject.classification
Recubrimientos y Películas
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dc.subject.classification
Ingeniería de los Materiales
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dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
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dc.title
Ultrasonic techniques for the detection of discontinuities in aluminum foams
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-06-04T14:48:47Z
dc.journal.volume
1806
dc.journal.number
1
dc.journal.pagination
1-8
dc.journal.pais
Estados Unidos
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dc.journal.ciudad
Nueva York
dc.description.fil
Fil: Katchadjian, Pablo Esteban. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica; Argentina
dc.description.fil
Fil: García, Alejandro. Comisión Nacional de Energía Atómica; Argentina
dc.description.fil
Fil: Brizuela, Jose David. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Camacho, Jorge. Consejo Superior de Investigaciones Científicas; España
dc.description.fil
Fil: Gómez Álvarez Arenas, Tomás. Consejo Superior de Investigaciones Científicas; España
dc.description.fil
Fil: Chiné, Bruno. Instituto Tecnológico de Costa Rica; Costa Rica
dc.description.fil
Fil: Mussi, Valerio. Macchine Utensili e Sistemi di Produzione; Italia
dc.journal.title
AIP Conference Proceedings
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1063/1.4974662
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://aip.scitation.org/doi/abs/10.1063/1.4974662
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