Enhancing Fatigue Performance of Sandwich Composites with Nanophased Core

Table 2

Quasi-static shear test results.

Property	Neat Polyurethane Foam Sandwich	1% CNF Polyurethane Foam sandwich	% Improvement
Shear Strength (MPa)	0.55	0.83	+33
	0.64	0.81
	0.66	0.78
	Ave.: 0.61±0.014	𝐴𝑣𝑒.∶0.81±0.02
Shear Modulus (Mpa)	11.7	13.7	+19
	11.9	14.9
	12.4	14.4
	𝐴𝑣𝑒.∶12.0±0.35	𝐴𝑣𝑒.∶14.3±0.32