Unique microstructure and thermal insulation property of a novel waste-utilized foam ceramic
F.H. Kuanga, S.M. Wanga,*(), C. Gaoc, H.B. Zhangb, R.K. Renb, J.L. Renb, J. Tongb, Y.M. Liua, J. Liua

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Fig. 7.. Flexural strength and porosity of CaO-Al2O3-SiO2 foam ceramic with different densities.