Fabrication of foam glass from iron tailings

Foam glass was prepared which using iron tailings and waste glass with SiC powders as foaming agent. The influence of the foam temperature on the bulk density, porosity, water absorption and compressive strength was studied. The results show that foam glass with higher iron tailings content of 24.5w...

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Bibliographic Details
Published in:Materials letters 2016-12, Vol.185, p.511-513
Main Authors: Yin, Hairong, Ma, Mingxin, Bai, Jianguang, Li, Yanxiao, Zhang, Sen, Wang, Fei
Format: Article
Language:English
Subjects:
Bulk density
Compressive strength
Flexural strength
Foam glass
Foaming
Foams
Glass
Iron
Iron tailings
Materials science
Porosity
Porous materials
Silicon carbide
Tailings
Temperature
Water absorption
X-ray techniques
X-rays
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Summary:Foam glass was prepared which using iron tailings and waste glass with SiC powders as foaming agent. The influence of the foam temperature on the bulk density, porosity, water absorption and compressive strength was studied. The results show that foam glass with higher iron tailings content of 24.5wt% could be prepared at about 830°C for 30min. Some of the reactions inside the iron tailings are responsible for the foaming mechanisms. When the foam temperature was 830°C, the bulk density and flexural strength reached a minimum value of 0.224g/cm3 and 0.53MPa. •Foam glass with a higher iron tailings content of 24.5wt% was prepared.•The higher content of iron tailings mainly due to the higher content of K2O and hematite.•The minimum value of bulk density and flexural strength were 0.224g/cm3 and 0.53MPa.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2016.09.034