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Titolo:
Synergistic roles of carbon fibres and ZrO2 particles in strengthening andtoughening Li-alpha-sialon composites
Autore:
Yu, ZB; Thompson, DP; Bhatti, AR;
Indirizzi:
Univ Newcastle Upon Tyne, Dept Mech Mat & Mfg Engn, Mat Div, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England Univ Newcastle Upon Tyne Newcastle Upon Tyne Tyne & Wear England NE1 7RU DERA Farnborough, Struct Mat Ctr, Hampshire GU14 0XL, England DERA Farnborough Hampshire England GU14 0XL Hampshire GU14 0XL, England
Titolo Testata:
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
fascicolo: 2, volume: 22, anno: 2002,
pagine: 225 - 235
SICI:
0955-2219(200202)22:2<225:SROCFA>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
FIBER; GLASS; ZIRCONIA;
Keywords:
carbon fibres; composites; mechanical properties; reinforcement; sialon; particles;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
20
Recensione:
Indirizzi per estratti:
Indirizzo: Thompson, DP Univ Newcastle Upon Tyne, Dept Mech Mat & Mfg Engn, Mat Div, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England Univ Newcastle Upon TyneNewcastle Upon Tyne Tyne & Wear England NE1 7RU
Citazione:
Z.B. Yu et al., "Synergistic roles of carbon fibres and ZrO2 particles in strengthening andtoughening Li-alpha-sialon composites", J EUR CERAM, 22(2), 2002, pp. 225-235

Abstract

Carbon fibre reinforced Li-a-sialon ceramic matrix composites have been fabricated by a process of slurry infiltration followed by hot-pressing. The roles of both carbon fibres and ZrO2 particles in the strengthening and toughening of Li-oc-sialon ceramic matrix composites are discussed. SEM observations show that microcracks in the matrix resulting from the thermal mismatch between the carbon fibres and the matrix can be eliminated by the addition of the ZrO2 and a considerable amount of fibre pullout was achieved during fracture failure of the composites. Measurement of mechanical properties indicates that a synergistic strengthening and toughening has been achieved with bending strength and fracture toughness of similar to 410 MPa and similar to 12 Mpa m(1/2) respectively. (C) 2001 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 13/07/20 alle ore 07:02:15