Publication Type:

Journal Article

Source:

International Journal of Applied Ceramic Technology, Volume 10, Number 2, p.251-256 (2013)

URL:

http://www.scopus.com/inward/record.url?eid=2-s2.0-84874784049&partnerID=40&md5=57ec4df767045562bb754c127b845b00

Keywords:

Alumina fiber, Alumina matrix, Alumina matrix composites, Ceramic matrix composites, Coated fibers, Coatings, Fiber-reinforced, Fiber-reinforced ceramics, Fibers, Foreign-object damage, High impact, Interfacial coatings, Localized damage, Pressure-less sintering, Sintered alumina, Sintering, Sols, Thermal shock resistance, Zirconia, Zirconia coatings, Zirconia layer

Abstract:

The present study demonstrates an approach for fabricating fiber-reinforced ceramic matrix composites (CMCs) involving the coating of 2-dimensional woven alumina fibers with zirconia layer by sol gel, followed by impregnation of these coated fibers with alumina matrix and pressureless sintering. To emphasize the benefits of the zirconia coating on these CMCs, a reference sample without interfacial coating layer was prepared. The zirconia-coated CMCs showed superior flexural strength and thermal shock resistance compared with their uncoated counterparts. Foreign object damage tests carried out on the ZrO2 coated CMCs at high impact speed showed localized damage without any shattering. © 2012 The American Ceramic Society.

Notes:

cited By (since 1996)0

Cite this Research Publication

Aa Licciulli, Chiechi, Aa, Fersini, Ma, Sanosh, K. Pa, and Balakrishnan, Ab, “Influence of zirconia interfacial coating on alumina fiber-reinforced alumina matrix composites”, International Journal of Applied Ceramic Technology, vol. 10, pp. 251-256, 2013.

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