Unidirectional all-oxide mini-composites with crack-deflecting NdPO4 interface

Research output: Contribution to journalArticle

Authors

Colleges, School and Institutes

Abstract

Unidirectional Nextel 720 (TM) fibers were coated with crack-deflecting NdPO4 interface using dip coating and infiltrated with silica-free alumina matrix using electrophoretic deposition followed by drying and pressureless sintering at 1200 degrees C in an attempt to manufacture oxide-based model 'mini-composites' which are less complex to produce in a short time and which therefore allow rapid results for mechanical and microstructural characterisation. This material is targeted for use at 1200 degrees C in an oxidising atmosphere and has shown an excellent tensile strength value of 1.2 GPa and flexural strengths of 894 MPa at room temperature and 761 MPa at 1300 degrees C in unidirectional form. (c) 2008 Elsevier Ltd. All rights reserved.

Details

Original languageEnglish
Pages (from-to)363-367
Number of pages5
JournalJournal of the European Ceramic Society
Volume29
Issue number3
Publication statusPublished - 1 Feb 2009

Keywords

  • Interface, NdPO4, Al2O3, Mini-composites, Composites