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|dc.identifier.citation||JOURNAL OF CERAMIC PROCESSING RESEARCH, v.12, no.4, pp.371 - 375||-|
|dc.description.abstract||An electrophoretic deposition (EPD) technique was used to infiltrate a SiC-based matrix phase into the fine voids of a Tyranno (TM)-SA SiC preform with/without the application of ultrasound. The zeta potential and viscosity of the suspension were controlled to achieve a uniform and simultaneous deposition of all constituents. EPD was performed under a 10 V DC electric field for 30 minutes after adjusting the suspension pH to 3, in which the zeta potentials for all constituents were >= + 40 mV. The composites fabricated by EPD combined with ultrasonication showed a much higher degree of infiltration due to the minimized surface sealing effect than those by EPD only. After hot pressing at 1750 degrees C for 2 hours, the density of the composites by the combined process was 99.5%, which is the highest SiCf/SiC density ever reported.||-|
|dc.publisher||KOREAN ASSOC CRYSTAL GROWTH, INC||-|
|dc.title||Densification of SiCf/SiC composites by electrophoretic infiltration combined with ultrasonication||-|
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