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Jul 24, 2020, 6:28:07 PM
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Aug 15, 2016, 2:43:43 PM
G I C = 3 ⋅ E * ⋅ δ 2 ⋅ t 3 16 ⋅ L 4 G I C = 3 ⋅ E * ⋅ δ 2 ⋅ t 3 16 ⋅ L 4
( E * ) modulus of elasticity (Young's modulus) ( E * ) modulus of elasticity (Young's modulus) ( δ ) load-point displacement ( δ ) load-point displacement ( t ) thickness of the beam ( t ) thickness of the beam ( L ) crack length ( L ) crack length
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The Maszara Model DBC Test is a type of bond characteristic. This model neglects shear stress as well as stress in the un-cleaved part for the obtained crack lengths. The following formula is used: G I C = 3 E * δ 2 t 3 16 L 4 G I C = 3 E * δ 2 t 3 16 L 4 , where:
E * E * = Young's modulus
δ δ = load-point displacement
t t = thickness of the beam
L L = crack length
References
Wikipedia (https://en.wikipedia.org/wiki/Bond_characterization#Maszara_model )
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