Creep behavior of Nextel™720/alumina ceramic composite with ±45° fiber orientation at 1200°C

Creep of Nextel™ 610 Fiber at 1100°C in Air and in Steam

“…Oxide–oxide CMCs exhibit damage tolerance combined with inherent oxidation resistance, and have good high‐temperature mechanical properties in air . However, recent studies show dramatic degradation of mechanical performance of oxide–oxide CMCs at elevated temperature in steam . When a CMC is subjected to mechanical loading at elevated temperature in steam, multiple degradation and failure mechanisms may operate simultaneously.…”

Cyclic creep and recovery behavior of Nextel™720/alumina ceramic composite at 1200°C

“…Additional sintering of the matrix during the aging treatments was considered to be associated predominantly with Al 2 O 3 . Results or previous studies by Ruggles-Wrenn et al [28,32,33] suggest that the sintering of the matrix is accelerated in the presence of steam.…”

Development and characterisation of high-density oxide fibre-reinforced oxide ceramic matrix composites with improved mechanical properties

“…In recent years, oxide-based composites have been the centre of many research activities as CMCs are required to be compatible with their service atmospheres which are generally oxidising, such as combustion gases. 3,[6][7][8][9][10][11] After selecting the ideal matrix, interface and fibres, the most important task is to choose a viable and cost-effective processing technique for the manufacture of the final component. In the present work we have investigated the use of a novel multistep technology that involves electrophoretic deposition (EPD) coating of woven ceramic fibres followed by impregnation of the ceramic matrix onto individual fibre mats and finally warm pressing of the coated and impregnated fibre mats for consolidation of the composites in multilayer form.…”