Critical stress in Mechanical Behaviour and Testing Formulas

Critical stress required for crack propagation in a brittle material. And is denoted by σ_c. Critical stress is usually measured using the Megapascal for Pressure. Note that the value of Critical stress is always positive.

Formulas to find Critical stress in Mechanical Behaviour and Testing

fxCritical stress for crack propagationGo

List of variables in Mechanical Behaviour and Testing formulas

fx Young's Modulus Go

fx Specific surface energy Go

fx Crack Length Go

FAQ

What is the Critical stress?

Critical stress required for crack propagation in a brittle material. Critical stress is usually measured using the Megapascal for Pressure. Note that the value of Critical stress is always positive.

Can the Critical stress be negative?

No, the Critical stress, measured in Pressure cannot be negative.

What unit is used to measure Critical stress?

Critical stress is usually measured using the Megapascal[MPa] for Pressure. Pascal[MPa], Kilopascal[MPa], Bar[MPa] are the few other units in which Critical stress can be measured.

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