Ds. Patil et Bc. Mutsuddy, MICROWAVE SINTERING OF YTTRIA-CONTAINING TETRAGONAL ZIRCONIA POLYCRYSTAL (Y-TZP) CERAMICS, Bulletin of Materials Science, 17(7), 1994, pp. 1441-1446
Sintering of yttria-containing tetragonal zirconia polycrystal (Y-TZP)
ceramics was performed in a single-mode cylindrical cavity applicator
CMPR-250 operating at 245 GHz in the TM(012) mode. High heating rates
at low power levels were achieved. Rapid heating and cooling resulted
in a fine-grain microstructure.High-purity submicron Y-TZP powders we
re sintered from an initial green density of 60% to final sintered den
sity close to the theoretical density. Microwave sintering offers pote
ntial for improving microstructural properties through controlled deve
lopment of uniform microstructure.