Caracterización dinámica mediante barra Hopkinson de materiales cerámicos monolíticos y compuestos

descriptionPublicationkeyboard_double_arrow_right Article 30 Jun 2002Publisher:Elsevier BVJournal:Boletín de la Sociedad Española de Cerámica y Vidrio, volume 41, pages 333-337 (issn: 0366-3175, eissn: 2173-0431,

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Authors: Khalifa, A.; Barbero, E.; Miranzo, P.; Navarro, C.;

doi: 10.3989/cyv.2002.v41.i3.680

handle: 10016/7510 , 10261/4686

Caracterización dinámica mediante barra Hopkinson de materiales cerámicos monolíticos y compuestos

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Abstract

[EN] The mechanical behaviour of monolithic and composite ceramic materials was analysed under impact conditions, using the Hopkinson bar to study the response and failure modes. The materials considered were alumina (Al2O3) and silicon carbide platelet / alumina matrix (Al2O3/ SiCpl) composites. Because of the high hardness of ceramics, modifications of the conventional Hopkinson bar device were done to prevent the damage of the bars surface. Stress-strain curves obtained from the tests showed a significant increase in strain values when 30% vol. of SiC platelet are included in the matrix.

Related Organizations

Carlos III University of Madrid
Spain

Keywords

Ingeniería Mecánica, Carburo de silicio, alúmina, Alumina, Barra Hopkinson, carburo de silicio, Clay industries. Ceramics. Glass, Silicon carbide, Dynamic compression, compresión dinámica, Ingeniería Industrial, TP785-869, Impacto, Impact, Hopkinson bar, barra Hopkinson, impacto, Compresión dinámica, Alúmina, dynamic compression, Ceramic matrix composites, Materiales compuestos de matriz cerámica

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