Influence of Zirconia Interfacial Coating on Alumina Fiber‐reinforced Alumina Matrix Composites
Source abstract
Abstract
The present study demonstrates an approach for fabricating fiber‐reinforced ceramic matrix composites ( CMC s) 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 CMC s, a reference sample without interfacial coating layer was prepared. The zirconia‐coated CMC s showed superior flexural strength and thermal shock resistance compared with their uncoated counterparts. Foreign object damage tests carried out on the ZrO 2 coated CMC s at high impact speed showed localized damage without any shattering.
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Research context
OpenAlex topics: Advanced ceramic materials synthesis · Thermal properties of materials · High-Velocity Impact and Material Behavior
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Engineering for Innovation University of Salento 73100 Lecce Italy
Amrita Center for Nanosciences Kochi Kerala 682041 India
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