Table 2: Properties of the selected materials [5].
Material Density (g/cm3) Young’s Modulus (GPa) Tensile Strength (MPa) Compressive Strength (MPa) Cost per kg ($/kg) Fracture Toughness K1C (Mpa*m1/2) Reference
Fir 0.31-0.34 5.9-6.7 30.7-33.8 49.9 0.8-1 1.64 37
Pine 0.35-0.42 6.5-8.8 34.0-41.6 33.1 0.8-1 0.40 37
Oak 0.53-0.61 7.9-12.4 47.7-74.9 46.6 0.8-1 0.55 36
Moso bamboo 0.55-1.0 9-27.4 111.5-309.3 69.1 0.5 56.8 37-39
Duralumin 2.77 72.4 345 303 4.46 ~30 30-31
Nontechnical ceramics 1.90-3 15-60 32-248 - 0.4-1.7 0.35 29