FIGURE 10 Comparison of the predictive capability of five models for the remaining life of GS61
4.2. Multi-stage loading
The four-stage loading test of aluminum alloy 6082T6 was carried out29. When the loading stress is 305, 280, 260, and 240Mpa, the fatigue life is 38000, 87612, 180660, and 394765 cycles, respectively.
Table 4 gives the experimental remaining life fraction and the predicted life fraction of Miner’s rule, the K-R model, Zhu’s model, Li’s model, and the new model.
Tables 4 and 5 give a comparison of the experimental results with Miner’s rule, the K-R model, Zhu’s model, Li’s model, and the new model’s prediction results
TABLE 4 Four-stage loading test results of aluminum alloy 6082T6