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. 2023 Feb 22;14(4):544–553. doi: 10.7150/jca.81793

Table 4.

Parameters estimations and literature values for the formation of a macro-crackle

Macro-crackle propagation: Inline graphic
Parameter Literature value Estimated value Reference
Elastic modulus Inline graphic 20-30 kPa - 12, 13
Fracture toughness Inline graphic 2.5-4.1 kJ/m2 - 14,15
Fracture width Inline graphic - 1 cm -
Stress threshold (Inline graphic - 125 kPa -
Stress Inline graphic - 240-300 kPa 7,16