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Table 5 Sample 1-5 surface residual stress

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

Sample numberσx (MPa)Stand deviation (MPa)σy (MPa)Stand deviation (MPa)
11983219016
22062518818
31941820634
41892320512
51971818914
Mean value196.823.2195.618.8