The increase in the susceptibility of a specimen to fracture caused by a notch.
- Fatigue performance is reduced under the latter condition by the notch effect.
- Even though the steel in the two structural conditions had the same tensile strength, the pearlitic structure resulted in a significantly lower fatigue limit due to the higher notch effects of the carbide lamellae in pearlite.
- Molybdenum is highly notch-sensitive, craters and notch effects such as undercutting must be avoided.
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