Research Article

Effect of Mean Stress on the Fatigue Life Prediction of Notched Fiber-Reinforced 2060 Al-Li Alloy Laminates under Spectrum Loading

Table 2

Static strength data, fatigue test times, and S-N curve parameters for each laminate.

MaterialUTS (Mpa)UCS (Mpa)Loading modeTest timesab

2/1 laminates655−521.315−2.93711.284
13−3.88312.648
Mini-Twist12−5.62617.428

3/2 laminates665−533.414−4.17013.987
15−4.57014.182
Mini-Twist12−4.66615.432