Diopside-Based Glass-Ceramics from Chrysotile Asbestos Tailing

Abstract:

By utilizing chrysotile asbestos tailing from Shannan ore in Sichuan as the main raw material, diopside-based glass-ceramics were successfully synthesized in the laboratory by adding some limestone, quartz sand, Al₂O₃, H₃BO₃, Na₂CO₃ and CaF₂. The optimum procedure for glass-ceramics was as follows: melting at 1400 for 60 min, sintering at 1100 for 120 min. Through the tests of physical and mechanical properties, the glass-ceramics materials with more crystalline phase had high density, fine performance of resisting compression (366MPa) and negligible water absorption. Through chemical resistance tests, the glass-ceramics samples showed strong corrosion resistance. Overall result indicated that it was a feasible attempt to produce glass-ceramics materials for building and decorative materials from chrysotile asbestos tailing.

• Periodical: Advanced Materials Research (Volume 427)
• Pages: 26-31
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.427.26
• Online since: January 2012
• Authors: Wen Jin Ding, Tong Jiang Peng, Ji Ming Chen
• Keywords: Chrysotile Asbestos Tailing, Glas Ceramics, Heat Treatment, Property Analysis

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