Detail publikace
Fracture behaviour of Al2O3/SiC nanocomposite ceramics after crack healing treatment
CHLUP, Z. FLAŠAR, P. KOTOJI, A. DLOUHÝ, I.
Originální název
Fracture behaviour of Al2O3/SiC nanocomposite ceramics after crack healing treatment
Typ
článek v časopise - ostatní, Jost
Jazyk
angličtina
Originální abstrakt
The self-crack-healing ability was systematically studied using flexural strength measurement of beams containing a semi-elliptical surface crack made by Vickers indenter. Beams of Al2O3/SiC ceramic nanocomposite with a good self-crack-healing ability predetermined for four-point and three-point bend test were prepared by ceramographic techniques. Flexural strength and fracture toughness were determined using three- and four-point bend method. Thermal aging in range from 1000 .C up to 1300 .C for 1 h was applied to find optimal conditions to heal the samples pre-cracked by the indentation technique. Fractographical analyses using an optical and/or scanning electron microscopy has been carried out to investigate the surface crack behaviour. Very good self-crack healing ability has been proved for surface micro-cracks having length up to 250 um and depth no higher than 100 um.
Klíčová slova
Composites; Strength; Al2O3/SiC; Crack healing
Autoři
CHLUP, Z.; FLAŠAR, P.; KOTOJI, A.; DLOUHÝ, I.
Rok RIV
2008
Vydáno
1. 8. 2008
Nakladatel
Elsevier
Místo
GB
ISSN
0955-2219
Periodikum
Journal of the European Ceramic Society
Ročník
28
Číslo
5
Stát
Spojené království Velké Británie a Severního Irska
Strany od
1073
Strany do
1077
Strany počet
5
BibTex
@article{BUT48135,
author="Zdeněk {Chlup} and Petr {Flašar} and Ando {Kotoji} and Ivo {Dlouhý}",
title="Fracture behaviour of Al2O3/SiC nanocomposite ceramics after crack healing treatment",
journal="Journal of the European Ceramic Society",
year="2008",
volume="28",
number="5",
pages="1073--1077",
issn="0955-2219"
}