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 |