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Table 6 Identified parameters of Yld2000-2d yield function with \(m=14\) (\(\overline{\varepsilon }_{\text{p}} = 0.002\))

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 0.9666 1.0098 1.0479 0.9984 1.0172 1.0233 0.9864 0.9795 14
130 0.9673 1.0048 0.9825 0.983 1.0108 0.9954 0.9924 1.0284
180 0.9778 0.9976 1.0174 0.9915 1.0216 1.0476 0.9711 0.9399
230 0.9737 1.0111 0.9759 1.0022 1.0262 1.0698 0.9933 0.995