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Table 3 Flow stresses and r-values of AA7075-T6 with \(\overline{\varepsilon }_{\text{p}} = 0.002\)

From: Investigation on Yield Behavior of 7075-T6 Aluminum Alloy at Elevated Temperatures

Temp.
(°C)
\(\sigma_{0}\) \(\sigma_{45}\) \(\sigma_{90}\) \(\sigma_{\text{b}}\) \(r_{0}\) \(r_{45}\) \(r_{90}\) \(r_{\text{b}}\)
25 536 540 542 527 0.63 0.81 1.1 0.89
130 408 407 413 410 0.63 0.8 1.11 0.71
180 305 313 309 300 0.65 0.84 1.07 0.67
230 198 198 197 194 0.67 0.81 0.85 0.58