Evaluating the Resistance Performance of the VAEPC and the PAFRC Composites against a Low-Velocity Impact in Varying Temperature

Table 9

Summary of the low-velocity impact test results under different temperatures.

Type of specimens	Temperature condition (°C)	No. of Spec.	Peak load (N)	Peak displacement (mm)	Total displacement (mm)	Puncture load (N)	Puncture energy (J)	Energy at peak (J)	Total energy (J)	Impact velocity (m/s)
PAFRC	−70	1	3414	0.51	2.33	1652	1.17	0.94	2.49	1.67
		2	3302	0.39	0.97	1638	1.34	0.78	1.77	1.67
		3	2692	0.73	1.78	1330	1.30	1.15	1.70	1.67
		Average	3136	0.54	1.69	1547	1.27	0.95	1.99	—
VAEPC		1	2264	0.37	1.47	1096	0.71	0.63	0.94	1.67
		2	4224	0.49	1.11	2075	1.13	0.89	1.41	1.66
		3	3231	0.68	2.33	1601	1.51	1.16	1.52	1.67
		Average	3239	0.51	1.64	1591	1.11	0.89	1.29	—
Plain mortar		1	2182	0.14	1.29	1085	0.47	0.18	0.66	1.67
		2	2253	0.14	1.95	1105	0.31	0.18	0.95	1.67
		3	2134	0.15	2.08	1057	0.32	0.20	1.06	1.67
		Average	2190	0.14	1.77	1082	0.37	0.19	0.89	—
PAFRC	70	1	1607	1.00	3.45	795	1.01	0.91	2.97	1.65
		2	1576	0.20	3.66	764	0.56	0.20	3.01	1.66
		3	1531	0.20	3.42	741	0.62	0.19	3.04	1.67
		Average	1571	0.47	3.51	766	0.73	0.43	3.00	—
VAEPC		1	1463	0.13	2.13	719	0.33	0.11	1.02	1.67
		2	1700	0.52	1.93	840	0.68	0.49	1.16	1.65
		3	1790	0.25	1.50	876	0.60	0.22	0.99	1.65
		Average	1651	0.30	1.85	812	0.54	0.27	1.06	—
Plain mortar		1	1550	0.42	0.67	747	0.50	0.43	0.57	1.67
		2	1593	0.17	1.34	766	0.52	0.15	0.69	1.66
		3	1965	0.49	1.24	961	0.63	0.50	0.79	1.67
		Average	1703	0.36	1.08	825	0.55	0.36	0.68	—
PAFRC	140	1	1714	0.91	6.31	845	0.82	0.71	3.04	1.66
		2	1562	0.15	7.42	764	0.25	0.13	2.99	1.66
		3	1528	0.20	4.43	758	0.32	0.18	2.91	1.63
		Average	1601	0.42	6.05	789	0.46	0.34	2.98	—
VAEPC		1	1305	0.47	2.42	642	0.58	0.43	1.17	1.65
		2	1353	0.43	1.79	668	0.53	0.42	0.76	1.63
		3	1223	0.23	1.88	600	0.49	0.18	0.91	1.62
		Average	1294	0.38	2.03	637	0.53	0.34	0.95	—
Plain mortar		1	1565	0.18	1.47	781	0.30	0.17	0.58	1.67
		2	1491	0.18	4.91	735	0.39	0.16	0.76	1.67
		3	1455	0.20	2.09	713	0.29	0.18	0.80	1.67
		Average	1503	0.19	2.82	743	0.33	0.17	0.71	—