Definition of notch effect in English:

notch effect

noun

Engineering
  • 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.’