Investigation of Sintering Behaviour of Bone China Bodies Produced by Bone China Wastes

Yıl 2019, Cilt: 11 Sayı: 2, 481 - 488, 30.06.2019

Fazilet Güngör

https://doi.org/10.29137/umagd.480632

Öz

Flawed
and broken wastes obtained from the production of Bone China were used for
formulating bone china body recipe instead of albite, quartz and bone ash as
the same chemical composition of original bone china body. The amount of kaolin
and clay were used as the same amount of the bone china body due to obtain
optimum plastic behaviour. This study was carried out in two steps. At the
first step, compositions were fired at the original firing temperature of bone
china as 1250 °C and at the second step, compositions were fired at 1200 °C. The
raw and fired strength, water absorption and pyroplastic deformation results of
the bodies were measured. The phase and microstructural evoluation of the
bodies were determined by XRD and  SEM.
As the amount of the bone china  waste
increased amount of the glassy phase increased, anorthite and quartz  were decreased. Technical properties of the
bodies changed parallel to the microstructural changes. As the amount of bone
waste increased in the compositions, optimum technical properties of the
compositions were obtained at 1200 °C .

Anahtar Kelimeler

Bone china, Bone ash, Bone china waste, Microstructure