The Self-Healing Capability of Carbon Fibre Composite Structures Subjected to Hypervelocity Impacts Simulating Orbital Space Debris

Table 3

Summary of the impacted CFRP structures. All the self-healing materials are mixed with 1 wt.% of ruthenium Grubbs, catalyst and 10 wt.% of microcapsules.

	Number of woven CFRP layer	Number of embedded FBG sensors	Embedded material	Mechanical strength (MPa)	Healing efficiency; %
Set no. 1	4	4	Virgin Epon 828	245	45
Set no. 2	4	4	Epon 828 + microcapsules 5E2N	276	58
Set no. 3	4	4	Epon 828 + microcapsules DCPD	290	63
Set no. 4	4	4	Epon 828 + microcapsules (5E2N + DCPD)	281	61
Set no. 5	4	4	Epon 828 + microcapsules (5E2N + DCPD) + 0.5 wt.% CNT	297	68
Set no. 6	4	4	Epon 828 + microcapsules (5E2N + DCPD) + 1 wt.% CNT	310	74
Set no. 7	4	4	Epon 828 + microcapsules (5E2N + DCPD) + 2 wt.% CNT	326	83