Fabrication and Experimental Estimation of Mechanical Properties of Kevlar-Glass/Epoxy Interwoven Composite Laminate

Table 6

Interlaminar shear test results.

Orientation	Breadth (b) (mm)	Thickness (t) (mm)	Load (P) (N)	Shear strength (ԏ = 3P/4bt) (MPa)	Average shear strength (MPa)
1 × 1	9.4	3.1	4,970	127.92	129.37
	9.6	3.2	4,960	121.09
	9.6	2.9	5,070	136.58
	9.5	3	5,210	137.11
	9.4	3.2	4,980	124.17
3 × 3	9.2	3.2	5,105	130.05	130.91
	9.4	3.1	5,015	129.08
	9.5	2.9	4,810	130.94
	9.3	3.1	5,040	131.11
	9.6	2.8	4,780	133.37
5 × 5	9.1	3.1	4,680	124.42	132.66
	9.3	2.8	5,120	147.47
	9.6	3	4,730	123.18
	9.5	3.1	5,070	129.12
	9.3	2.8	4,830	139.11