Naskar, Milan Kanti and Basu, Kunal and Chatterjee, Minati (2009) Sol-gel approach to near-net-shape oxide-oxide composites reinforced with short alumina fibres-The effect of crystallization. CERAMICS INTERNATIONAL , 35 (8). pp. 3073-3079. ISSN 0272-8842

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Abstract

Near-net-shape (NNS) high alumina (alumina:silica = 96:4, in equivalent weight ratio) fibre reinforced ceramic matrix composites (CMCs) were prepared with single and bicomponent sols following sol-gel vacuum infiltration technique. The CMCs were characterized by X-ray diffraction (XRD), three-point bend test and scanning electron microscopy (SEM). Crystallization of tetragonal zirconia (t-ZrO(2)) in the composite, CZY having zirconia-yttria matrix and that of gamma alumina (gamma-Al(2)O(3)) in the composites, CAZ having alumina-zirconia matrix, CAS having alumina-silica matrix and CA having alumina matrix, enhanced the flexural strength values and pseudo-ductile character of CMCs.

Item Type:	Article
Uncontrolled Keywords:	Sol-gel process; Fibres; Composites; Mechanical properties; Structural applications
Subjects:	Processing Science Crystal Chemistry, Thermodynamics, Phase Equilibria
Divisions:	UNSPECIFIED
Depositing User:	Ashok K Podder
Date Deposited:	20 Jan 2012 07:38
Last Modified:	20 Jan 2012 07:40
URI:	http://cgcri.csircentral.net/id/eprint/461

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