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Determinacion de las propiedades mecanicas y mecanismos de fractura de electrolitos soportados de YSZ y GDC mediante ensayos de indentacion instrumentada

Authors: Roa Rovira, Joan Josep; Morales Comas, Miguel; Capdevila, X. G.; Segarra Rubí, Mercè;

Determinacion de las propiedades mecanicas y mecanismos de fractura de electrolitos soportados de YSZ y GDC mediante ensayos de indentacion instrumentada

Abstract

El objetivo del presente trabajo es evaluar las propiedades mecánicas, así como los diferentes mecanismos de fractura activados mediante ensayos de indentación instrumentada, de electrolitos basados en circona estabilizada con itria ("yttria stabilized zirconia",YSZ) y ceria dopada con gadolinia ("gadolinia doped ceria", GDC), para pilas de combustible de óxido sólido, SOFCs. Ambos materiales, con un espesor final de 200 ¿m, se conformaron mediante prensado uniaxial a 500 MPa y se sinterizaron a 1400ºC. Propiedades mecánicas tales como la dureza (H) y el módulo de Young (E) han sido estudiadas a diferentes profundidades de penetración utilizando el algoritmo de Oliver y Pharr.

Country
Spain
Related Organizations
Keywords

electrolitos, Clay industries. Ceramics. Glass, Electròlits, Propietats mecàniques, Mechanical properties, electrolytes, gadolinia doped ceria, ceria dopada con gadolinia, indentación instrumentada, TP785-869, Electrolytes, Mecanismos de fractura, Piles de combustible, fracture mechanisms, yttria stabilized zirconia, instrumented indentation, circona estabilizada con itria, Fuel cells

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average