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.
| Material | UTS (Mpa) | UCS (Mpa) | Loading mode | Test times | a | b |
| 2/1 laminates | 655 | −521.3 | | 15 | −2.937 | 11.284 | | | | 13 | −3.883 | 12.648 | | | Mini-Twist | 12 | −5.626 | 17.428 |
| 3/2 laminates | 665 | −533.4 | | 14 | −4.170 | 13.987 | | | | 15 | −4.570 | 14.182 | | | Mini-Twist | 12 | −4.666 | 15.432 |
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