The Influence of Blowing Agent on Physical Performance of Porous Glass-Ceramics by Using Waste Glass

Abstract:

Use calcium carbonate, sodium carbonate and barium carbonate as blowing agent, polyethylene glycol as binder,Cr₂O₃ as nucleating agent,TiO₂ as nucleating agent,CaF₂ as a flux in glass powder, we can produce porous glass-ceramics, and after above research, the apparent density, powder density, porosity, the main phase, microscopic characteristics and thermal performance of the samples would be test. The results show that: considering the physical and mechanical performance of porous glass-ceramics, the froth effect of sodium carbonate is most ideal. When the dosage is 6%, the apparent density is minimum, the porosity is maximum and the thermal conductivity is maximum and the main phase is wollastonite.

• Periodical: Advanced Materials Research (Volumes 953-954)
• Pages: 1528-1532
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.953-954.1528
• Online since: June 2014
• Authors: Chang Wei Xu, Qi Han Meng, Yong Chen
• Keywords: Blowing Agent, Flux, Porous Glass-Ceramics, Wollastonite

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