3.2. Stress dependence of steady-state strain rates
Fig. 3 shows the variation of the imposed strain rate with
the steady-state stress for Schenk test and the dependence of
the steady-state creep rate on the applied stress for creep test
on a double logarithmic scale, for temperatures ranging from
250 to 570 ◦C. One can see that the data obtained from the
Schenk test show excellent agreement with those obtained
from creep machine tests. Three temperature–strain regions