Prediction of the T0 Shift between Specimens of Different Constraints Using the T-Stress Based 𝒯-Functions

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This work applies the T-stress based T-functions to predict the T0 shift between types of specimens exhibiting different in-plane constraint levels at cleavage fracture. The analytical model predicts accurately the shift of T0 values estimated using fracture toughness data measured with deep-notch SE(B) specimens and C(T) specimens, and the shift of T0 values from deep and shallow cracked SE(B) specimens.

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