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Chinese Journal of Mechanical Engineering

Table 2 Parameters employed in fitted S–N curve by smooth specimens of A357-T6

From: Fatigue Characterization on a Cast Aluminum Beam of a High-Speed Train Through Numerical Simulation and Experiments

Parameter

Without defects, R = 0.1

With defects, R = 0.1

With defects, R = –1

N

≤ 5 × 106

> 5 × 106

≤ 5 × 106

> 5 × 106

≤ 5 × 106

> 5 × 106

m

5.62

10.24

6.289

11.578

7.353

13.706

C

1.49 × 1016

9.11 × 1023

2.34×1017

2.2 × 1026

1.26 × 1021

3.51 × 1033

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