Glass-Ceramic Frits From Fly Ash In Terracotta Production  

Oleh:

[s.n]

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Waste Management & Research vol. 27 no. 1 (Feb. 2009), page 87-92.
Topik: Fly ash; earthenware; glass-ceramics; sintering; phase formation; wmr 1321–9
Fulltext: 87.pdf (264.83KB)

Isi artikel

Preliminary results of an investigation into the possible use of glass-ceramic frits from fly ash and glass cullet in terracotta (stoneware) tile manufacture are reported. Two new ceramics were studied and compared with a plant composition, containing 45 wt.% sodium feldspar. In the first ceramic batch 20% of the feldspar was substituted by frits and in the second the whole amount of feldspar was eliminated and replaced by 35% frits and 10% refractory waste. It was found that the addition of low viscous glass-ceramic frits decreased the sintering temperature by 50–100 °C. At the same time, due to formation of an additional crystal phase (i.e. pyroxene or anorthite) the new ceramics showed an improvement of 25–50% in bending strength.

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