Question

Stress intensity factor, \( K_{\text{IC}} \), not depends on

• A. Geometry of the solid containing the crack
• B. The size and location of the crack
• C. Magnitude and distribution of the loads imposed on the solid
• D. Tensile strength of the material

Hint:

Remember, \( K_{\text{IC}} \) is a function of crack length, geometry, and loading conditions—but not a direct function of material strength properties like tensile strength.

Answer 1

The Correct Option is D

The stress intensity factor \( K_{\text{IC}} \) is a parameter used in fracture mechanics to characterize the stress state near the tip of a crack in a material under linear-elastic loading. It primarily depends on: - The geometry of the component and crack, - The size and position of the crack, - The nature, magnitude, and direction of external loads applied. However, it does not depend on the tensile strength of the material. Tensile strength is a material property that indicates the maximum stress a material can withstand while being stretched or pulled before necking. But \( K_{\text{IC}} \) is related to how stress is intensified near a crack tip and is not influenced directly by tensile strength.