Table 1.

Main mechanical properties of the honeycomb materials.

Aluminum Alloy 5052 [35]	CPE with Milled Carbon Fibres [36]
Density—2680 kg/m3	Reference—CPE CF112 Carbon
Tensile strength— 228 MPa	Polymer base—co-polyester
Yield strength— 193 MPa	Manufacturer—Filamentum Manufacturing
Tensile modulus— 70.3 GPa	Resistance against acids, alkalis, alcohols (at 25 °C)—good
Poisson’s ratio— 0.33	Resistance against water, acetone, oils, greases, car fluids, ozone (at 25 °C)— medium to low
Shear strength— 138 MPa	Print temperature (°C)— 250–270
Shear modulus— 25.9 GPa	Rotor blade application—Honeycomb
Melting temperature— 607—649 °C	Tensile strength at Yield—52.4 MPa
Specific heat— 0.88 J/g-°C	Tensile strength at Break—37.7 MPa
Thermal conductivity— 138 W/m-K	Material density— 1.16 g/cm3
	Tensile Modulus— 2200 MPa