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Table 4 X-ray results of residual stress distribution in specimens

From: Application of Nonlinear Lamb Wave Mixing Method for Residual Stress Measurement in Metal Plate

Position

Embryo block specimen

Milling specimen

(MPa)

A

B

C

A

B

C

1

− 15

− 46.5

− 64.4

− 94.4

− 158.2

− 61.7

2

− 59.3

− 143

− 40.9

− 6.9

− 203.3

41.8

3

− 135.1

− 85

− 35.6

9.8

− 322.8

− 3.8

4

− 100.8

− 27.1

− 75.5

35.2

− 302.7

43.9

5

− 84.4

3.3

− 106.2

− 13.7

− 610

− 26.6