An Effective Method for Hybrid CNT/GNP Dispersion and Its Effects on the Mechanical, Microstructural, Thermal, and Electrical Properties of Multifunctional Cementitious Composites

Table 7

Test results of the cementitious composites according to the standard procedures.

Name of sample	Flow values^1 (mm)	Flexural strength^2 (N/mm^2)	Compressive strength^2 (N/mm^2)	Apparent porosity^3 (%)	Ultrasonic wave time passing^4 (μs) for 150 kHz		Dry bulk density^5 (kg/m^3)
					Longitudinal	Transverse
Plain mortar	183.2	6.9	43.9	19	36.40	9.70	2125
Plain mortar+5%S+TBP	191.7	7.1	44.9	15.9	36.21	9.51	2130
1%CG+5%S+3H+TBP+40°C	118.4	7.8	47.8	13.6	34.10	9.34	2135
Plain mortar+10%P+TBP	198.2	7.2	44.2	13.9	35.88	9.38	2130
1%CG+10%P+3H+TBP+40°C	131.5	8.3	51.1	11.4	32.97	8.93	2140

¹BS EN 1015-3; ²BS EN 196-1:1995; ³ASTM C20; ⁴BS EN 12504-4; ⁵BS EN 1015-10:1999.