Autores: Achuthan, A.T.|Maiti, K.N.
Fuente: Ind. ceram.
26 (3), 180-189
A wet grindinf of ceramic glazes by varying material to pebble ratio established that the increased material to pebble ratio of 1:4 has not only imrpoved the efficiency of grinding leading to increased reduction in particle size but also resulted in reduction of maturing temperature of comemrcial opaque and transparent raw glazes and bone china fritted glaze by ~150º C due to prolongued grinding to the fineness of ~90.0 to 97.0 % particle finer than 2 µm and dsub100 value of 3 to 4 µm. However, the glazed surfaces were found not free from defects like crawling, craters etc. A systematic grinding study of the said opaque glaze followed by evaluation if glaze properties such as gloss, smoothness, opacity, maturity etc. has led to the conclusion that the opaque glaze mix containing particles in the range of 72.7 to 85.5% below 10 µm and dsub100 of 25 to 20 µm not only matured at 1160ºC, which is ~40ºC lower in comparison to the standards glaze maturing at 1200º C but also the fired glazed specimens showed the improved gloss (90-91 GU),s moothness, opacity, etc. without any surface faults. Further, the glaze maturing range has laso been enhanced by ~40ºC from 1160º to 1200 C
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