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Sol-gel approach to near-net-shape oxide-oxide composites reinforced with short alumina fibres-The effect of crystallization

IR@CGCRI: CSIR-Central Glass and Ceramic Research Institute, Kolkata

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Title Sol-gel approach to near-net-shape oxide-oxide composites reinforced with short alumina fibres-The effect of crystallization
 
Creator Naskar, Milan Kanti
Basu, Kunal
Chatterjee, Minati
 
Subject Processing Science
Crystal Chemistry, Thermodynamics, Phase Equilibria
 
Description 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.
 
Publisher Elsevier Science
 
Date 2009-09
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://cgcri.csircentral.net/461/1/minatipaper.pdf
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
 
Relation http://cgcri.csircentral.net/461/