Preparation and properties of foam ceramic from nickel slag and waste glass powder
Source abstract
Abstract
Abstract The utilisation of nickel slag and waste glass powder as raw materials for preparing foamed ceramic was studied. The influences of the mixture design and foaming-agent dosage on the properties and microstructures of foamed ceramic were investigated in terms of the density, flexural strength, phase composition and micromorphology. Results showed that incorporating nickel slag improved the flexural strength and uniformity of the pore structure. However, owing to the high density of nickel slag, its excessive usage may impact the development of foamed ceramic density and porosity as a side effect. The Na2CO3 dosage was another crucial factor determining foamed ceramic properties. A nickel slag content of was 20% and a Na2CO3 content of 7% decreased the foamed ceramic density to 0.498 g/cm3, with a corresponding flexural strength of 2.66 MPa and a higher porosity of 80.06%.
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Research context
OpenAlex topics: Magnesium Oxide Properties and Applications · Recycling and utilization of industrial and municipal waste in materials production · Concrete and Cement Materials Research
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