Fatiga por contacto esférico en materiales multicapa de alúmina circona (Articolo in rivista)

Type
Label
  • Fatiga por contacto esférico en materiales multicapa de alúmina circona (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Alternative label
  • E. Jiménez-Piqué, L. Ceseracciu, M. Anglada, F. Chalvet, G. de Portu (2005)
    Fatiga por contacto esférico en materiales multicapa de alúmina circona
    in Boletin de la Sociedad Española de Cerámica y Vidrio
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • E. Jiménez-Piqué, L. Ceseracciu, M. Anglada, F. Chalvet, G. de Portu (literal)
Pagina inizio
  • 307 (literal)
Pagina fine
  • 312 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 44 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • E. Jiménez-Piqué, L. Ceseracciu, M. Anglada, Dip. di Scienza dei Materaili ed Ingegneria Metallurgica, Università Politecnica di Catalogna (literal)
Titolo
  • Fatiga por contacto esférico en materiales multicapa de alúmina circona (literal)
Abstract
  • In some engineering applications, ceramic materials are subjected to contact fatigue. In order to improve the resistance of ceramics to contact fatigue, it is proposed to use ceramic laminates with residual stresses at the surface. In this work, the Hertzian contact fatigue of an alumina-alumina/zirconia laminated composite produced by tape casting is studied, both under static loading and cyclic loading, together with a monolithic alumina for comparison purposes. It is shown that the laminate composite presents better resistance to the apparition of surface ring crack, due to the residual stresses of the laminate composite. It is also shown that there is a fatigue effect on both materials under cyclic loading, and not only stress corrosion cracking. A simple relationship between applied load and time to apparition of damage is finally proposed. (literal)
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