Research Article
Experimental and Numerical Studies on Residual Stress in Wide Butt Welds
Table 5
Residual stress relief ratio.
| | Weld width (mm) | Transverse residual stress of location 1 | Longitudinal residual stress of location 1 | | Test before relieving (MPa) | Test after relieving (MPa) | Relief ratio | Test before relieving (MPa) | Test after relieving (MPa) | Relief ratio |
| | 45 | 129.3 | 107.1 | 1.17 | 156.4 | 124.2 | 1.21 | | 55 | 161.5 | 126.9 | 1.21 | 194.1 | 110.1 | 1.43 | | 65 | 194.9 | 154.2 | 1.21 | 271.1 | 224.6 | 1.17 | | 75 | 224.8 | 160.9 | 1.28 | 341.5 | 229.5 | 1.33 |
| | Mean | | | 1.22 | | | 1.28 | | Cov | | | 0.04 | | | 0.09 |
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