Chemical durability of sintered glass-composite prepared from glass cullet and waste foundry sand
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In this study, the glass-composite was prepared using glass cullet and waste foundry sand as raw materials. The powder technology route was employed. The mixtures containing 10-50 wt% of the sand were sintered at T = 750 degrees C for t =1h. XRD and DTA analyses were performed. The chemical durability of the resulting glass-composite was determined by leaching test in HCl, H2SO4, NaOH and distilled water at T = 95 degrees C for t =1h. It was shown that the sintering process carried out without the crystallization of the glass matrix. The lowest chemical durability was determined in alkali solution of glasscomposite.
Keywords:waste foundry sand / sintering / glass-composite / glass cullet
Source:Metallurgical & Materials Engineering, 2021, 27, 1, 105-113
- Savez inženjera metalurgije Srbije, Beograd