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Chinese Journal of Mechanical Engineering

Table 7 Surface and peak equivalent stress level

From: Residual Stress Relaxation of Thin-walled Long Stringer Made of Aluminum Alloy 7050-T7451 under Transportation Vibration

Sample number

Surface equivalent stress level

Peak equivalent stress level

1

0.65σ0.2

0.80σ0.2

2

0.75σ0.2

0.91σ0.2

3

0.85σ0.2

1.02σ0.2

4

0.95σ0.2

1.12σ0.2

5

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