Table 5 Identified parameters in the Yld2000-2d yield function with an exponent of 8
From: Investigation on Yield Behavior of 7075-T6 Aluminum Alloy at Elevated Temperatures
Temp. (°C) | \(\alpha_{1}\) | \(\alpha_{2}\) | \(\alpha_{3}\) | \(\alpha_{4}\) | \(\alpha_{5}\) | \(\alpha_{6}\) | \(\alpha_{7}\) | \(\alpha_{8}\) | \(m\) |
|---|---|---|---|---|---|---|---|---|---|
25 | 0.9129 | 1.0522 | 1.0654 | 0.9937 | 1.0241 | 1.0014 | 0.981 | 0.989 | 8 |
130 | 0.9212 | 1.0378 | 0.974 | 0.9755 | 1.022 | 0.9943 | 0.9835 | 1.044 | |
180 | 0.9457 | 1.0201 | 0.9957 | 0.9827 | 1.0329 | 1.0581 | 0.9681 | 0.9463 | |
230 | 0.9688 | 0.997 | 0.9118 | 0.9934 | 1.0395 | 1.1013 | 0.9871 | 1.0094 |