Stress Intensity Factor in Design Against Static Load Formulas

Stress Intensity Factor specifies the stress intensity at the tip of the crack. And is denoted by K_o. Stress Intensity Factor is usually measured using the Megapascal sqrt(meter) for Fracture Toughness. Note that the value of Stress Intensity Factor is always positive.

Formulas to find Stress Intensity Factor in Design Against Static Load

fxStress Intensity factor for cracked plateGo

Design Against Static Load formulas that make use of Stress Intensity Factor

fxNominal tensile stress at edge of crack given stress intensity factorGo

fxHalf crack length given stress intensity factorGo

fxFracture toughness given stress intensity factorGo

List of variables in Design Against Static Load formulas

fx Tensile Stress at Crack Edge Go

fx Half Crack Length Go

FAQ

What is the Stress Intensity Factor?

Stress Intensity Factor specifies the stress intensity at the tip of the crack. Stress Intensity Factor is usually measured using the Megapascal sqrt(meter) for Fracture Toughness. Note that the value of Stress Intensity Factor is always positive.

Can the Stress Intensity Factor be negative?

No, the Stress Intensity Factor, measured in Fracture Toughness cannot be negative.

What unit is used to measure Stress Intensity Factor?

Stress Intensity Factor is usually measured using the Megapascal sqrt(meter)[MPa*sqrt(m)] for Fracture Toughness. Pascal sqrt(meter)[MPa*sqrt(m)] are the few other units in which Stress Intensity Factor can be measured.

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