Notch fatigue behaviour of SAE1045 steel
作者： M YU , D DUQUESNAY , T TOPPER
DOI: 10.1016/0142-1123(88)90038-2
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摘要: Abstract The effects of notch diameter, material heat treatment and applied stress ratio on the fatigue behaviour an SAE1045 steel were investigated. factor increases with diameter for sharp notches, but it decreases blunt notches. sensitivity quenched-tempered martensitic steels was higher than that as-received ferritic-pearlitic steel, especially small However, materials not significantly affected by tempering temperature. found to be R = −1 tests 0 a given size in material. Short crack fracture mechanics predict life A reasonable agreement between experimental predicted data observed.
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