Fig. 8From: Examination of sulfate resistance of nano-alumina added ordinary Portland cement paste, focusing on the two different crystallinity of nano-aluminasTG and DTG results of the hardened samples before Na2SO4 exposure (zero day exposure) and after Na2SO4 exposure (28, 91, and 180 days of Na2SO4 exposure): a TG and DTG result of the control samples (OPC-0), b TG and DTG result of the α-alumina added samples (OPC-A), and c TG and DTG result of the γ-alumina added samples (OPC-G)Back to article page