Research Article
Fatigue Life Assessment of 65Si7 Leaf Springs: A Comparative Study
Table 6
Comparison of fatigue life by various approaches.
| | Serial number | Method for fatigue life assessment | Alternating stress level | Stress range | Equivalent alternating stress | Fatigue life | Variation from experimental results |
| | 1 | Experimental | 269–896 | 627 | — | 83513 | — | | 2 | SAE spring design manual approach | 200–885 | 685 | — | 69600 | 16.6% | | 3 | Graphical method | 269–896 | 627 | 578 | 90763 | 8.68% | | 4 | Analytical method | 269–896 | 627 | 579 | 90304 | 8.13% | | 5 | CAE method | 269–896 | 627 | 562 | 82348 | 2.39% |
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