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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