Mechanics
Critical crack length
Finds the crack length at which K reaches the specified KIC.
Related calculators
Margin against KIC
Calculates KIC/K as a simple margin against fracture toughness.
Basic stress-intensity factor
Calculates K = Y * sigma * sqrt(pi * a) with a user-provided Y.
Allowable stress from yield strength
Calculates allowable stress as yield strength divided by safety factor.
Axial elongation
Calculates axial elongation from force, length, area and Young's modulus.
Bearing pressure
Calculates average bearing pressure from force and projected area.
Bending stress
Calculates bending stress from bending moment and section modulus.