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. 2022 Oct 12;7(42):37834–37845. doi: 10.1021/acsomega.2c04826

Table 3. Properties of Composite Facesheets.

property value standard
tensile and compression modulus along 1 direction, E1+/– (GPa) 51.2 ASTM D3039
tensile and compression modulus along 2 direction, E2+/– (GPa) 47.8 ASTM D3039
poisson’s ratio, υ12 0.3 ASTM D3039
shear modulus, G12 (GPa) 3000.5 ASTM D3518
longitudinal tensile strength, XT (MPa) 580.4 ASTM D3039
longitudinal compressive strength, XC (MPa) 434.2 ASTM D6641
transverse tensile strength, YT (MPa) 484.3 ASTM D3039
transverse compressive strength, YC (MPa) 381.7 ASTM D6641
shear strength, S (MPa) 89.5 ASTM D3518
density, ρ (kg/m3) 1650  
thickness, T (mm) 0.25  
fiber tensile energy release rate, GftC(mJ/mm2) 35.1 ASTM D5045
fiber compressive energy release rate, GfcC(mJ/mm2) 15.2  
matix tensile energy release rate, GmtC(mJ/mm2) 35.4 ASTM D5045
matrix compressive energy release rate, GmcC(mJ/mm2) 14.9  
effective yield stress, σ̃y0 (MPa) 81.0 ASTM D3518
hardening constant, C 0  
power index, p 0