Ponencia
Device for biaxial testing in uniaxial machines. Design, manufacturing and experimental results using cruciform specimens of composite materials
Autor/es | Barroso Caro, Alberto
Correa Montoto, Elena Freire, J. Vega, D París Carballo, Federico |
Departamento | Universidad de Sevilla. Departamento de Mecánica de Medios Continuos y Teoría de Estructuras |
Fecha de publicación | 2013-07 |
Fecha de depósito | 2018-11-27 |
Publicado en |
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ISBN/ISSN | 978-84-616-4681-4 |
Resumen | The present work deals with the design and manufacturing of a mechanical device to
perform biaxial testing in universal (uniaxial) testing machines. A review of previous
similar proposals is carried out and a new ... The present work deals with the design and manufacturing of a mechanical device to perform biaxial testing in universal (uniaxial) testing machines. A review of previous similar proposals is carried out and a new proposal of a device is suggested, allowing tension-tension, compression-compression and tension-compression biaxial testing to be used in single axis machines, with relatively few manipulations. The device allows variable displacement ratio to be used, giving rise to variable loading ratio. A series of experimental biaxial tension-tension tests on cruciform specimens made of composite material have been carried out using samples in which the ftber direction is perpendicular to the loading plane. Strain gages have been used in both loading directions and at both sides of the specimen, to monitor the bending parameters. Values below 5% for the previously mentioned bending parameter have been achieved at the instant of failure. The device allows, in the tension-compression configuration, the use of standard (straight) specimens, by substituting the grips by pushers in the compression loading direction. The device has been designed to be used up to 20 KN. |
Identificador del proyecto | MAT 2009-14022
P08-TEP-4071 P08-TEP-4051 |
Cita | Barroso Caro, A., Correa Montoto, E., Freire, J., Vega, D. y París Carballo, F. (2013). Device for biaxial testing in uniaxial machines. Design, manufacturing and experimental results using cruciform specimens of composite materials. En MATCOMP´13 (111-116), Algeciras (Cádiz): Asociación Española de Materiales Compuestos (AEMAC). |
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