High Temperature Deformation Behavior of 8090 Al-Li Alloy

Table 4

The constitutive parameters for 𝛼̇ element determined from the load relaxation test results of 8090 Al–Li with the grain size of 10 𝜇m.

Temp. (°C)	log 𝜎^∗	log 𝛼̇^∗	𝑃
470	1.87	−1.47	0.15
490	1.83	−1.07	0.15
517	1.77	−0.92	0.15
530	1.74	−0.79	0.15