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

Table 2. Properties of the Cohesive Zone.

property value standard
interface stiffness for mode I, Knn(MPa/mm) 158 823  
interface stiffness for mode II, Kss(MPa/mm) 158 823  
interface stiffness for mode III, Ktt(MPa/mm) 158 823  
interface strength for mode I, Nmax (MPa) 69.3 ASTM D638
interface strength for mode II, Tmax (MPa) 69.3  
interface strength for mode III, Smax (MPa) 69.3  
interlaminar fracture toughness for mode I, GIc(mJ/mm2) 0.36 ASTM D5528
interlaminar fracture toughness for mode II, GIIc(mJ/mm2) 1.4 ASTM D7905
interlaminar fracture toughness for mode III, GIIIc(mJ/mm2) 1.4  
material constant, η 1.45  
density, ρ (kg/m3) 1100