| Title | Novel sintered ceramic materials incorporated with EAF carbon steel slag |
|---|---|
| ID_Doc | 29470 |
| Authors | Karayannis, V; Ntampegliotis, K; Lamprakopoulos, S; Papapolymerou, G; Spiliotis, X |
| Title | Novel sintered ceramic materials incorporated with EAF carbon steel slag |
| Year | 2017 |
| Published | Materials Research Express, 4.0, 1 |
| Abstract | In the present research, novel sintered clay-based ceramic materials containing electric arc furnace carbon steel slag (EAFC) as a useful admixture were developed and characterized. The environmentally safe management of steel industry waste by-products and their valorization as secondary resources into value-added materials towards circular economy have attracted much attention in the last years. EAF Carbon steel slag in particular, is generated during the manufacture of carbon steel. It is a solid residue mainly composed of rich-in-Fe, Ca and Si compounds. The experimental results show that the beneficial incorporation of lower percentages of EAFC up to 6% wt. into ceramics sintered at 950 degrees C is attained without significant variations in sintering behavior and physico-mechanical properties. Further heating up to 1100 degrees C strongly enhances the densification of the ceramic microstructures, thus reducing the porosity and strengthening their mechanical performance. On the other side, in terms of thermal insulation behavior as well as energy consumption savings and production cost alleviation, the optimum sintering temperature appears to be 950 degrees C. |
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