Compressibility and Foaming behavior of steel slag/waste glass compositesby particle size distribution and foam agents
Publish place: Advanced Ceramics Progress، Vol: 5، Issue: 1
Publish Year: 1398
Type: Journal paper
Language: English
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Document National Code:
JR_ACERPT-5-1_004
Index date: 15 October 2019
Compressibility and Foaming behavior of steel slag/waste glass compositesby particle size distribution and foam agents abstract
In present research, the foam glass-ceramic composites fabricated by window glass, steel slag and SiC, CaCO3 foaming agents were investigated by press–sintering method. The optimum sintering temperature was obtained at 1200°C with a 3-minutes holding time and 20°C/min heating rate. The optimum pressure level of 80 MPa for achieving the 70 % of relative density was selected. The effect of particle size distribution of starting materials on the green and fired density of resulted glass-ceramics composites was evaluated. The composite s green density was 1.7g/cm3 obtained using the following particle size (49 wt. % 150μm, 21wt. % 85μm, 21wt. % 65μm, 9wt. % 45μm). It was shown that using medium-fine grade of the slag powder, the compaction and green densities of samples were increased up to 16% while in the case of slag/glass composites (due to the high hardness of the glass powder), the compaction of composite was increased 11% compared to the coarse grade particles bearing samples. It was observed that finer particle sizes (below 75 μm) significantly cause more foaming and lower density (about 80 wt.% porosity). This can be due to the faster coalescence process and gases trapping which was arisen from the decomposition of foam agent.
Compressibility and Foaming behavior of steel slag/waste glass compositesby particle size distribution and foam agents Keywords:
Compressibility and Foaming behavior of steel slag/waste glass compositesby particle size distribution and foam agents authors
Hussein Mardi
Department of Ceramic, Materials and energy research center, Karaj, Iran
Aida Faeghinia
Department of Ceramic, Materials and energy research center, Karaj, Iran
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