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The Effect of Unloading Positions and Times on Sheet Metal’s Stress Strain Curve

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Figure

Figure 1. (a) Dimensions of Q195 and AL6061 tensile test specimen. (b) Dimensions of HSLA350 and medium manganese steel tensile test specimen
Table 1. Comparative experiments of AL6061, HSLA, Q195.
Figure 2. The stress-strain curves of loading-unloading experiments of AL6061, Q195 and HSLA with different loading position and times compared to the monotonic loading
Table 3. The maximum stress values and elongations after breaking of each experiment.
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