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This study aims to evaluate the load separation criterion for fracture characterization in thin aluminum sheets.

March 21, 2026CrystalsOpen Access

Load Separation Criterion for Ductile Fracture Characterization of Thin Aluminum Sheets

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Experimental analysis evaluates ductile fracture in thin aluminum sheets, indicating a reliable assessment method.

This study aims to evaluate the load separation criterion for fracture characterization in thin aluminum sheets.
Conducted experimental tests on double-edge-notched tension specimens
Analyzed load-displacement responses using curve-fitting techniques
Determined separation parameter, geometry function, plastic η-factor, and J-integral
The separation parameter stabilized in the plastic regime
The geometry function exhibited a power-law relationship with the normalized ligament ratio
Fracture toughness values averaged 58–60 kJ/m2, aligning with essential work of fracture value of 51.5 kJ/m2

Abdellah et al. (2026) studied this question.

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