Abstract
Abstract Stress dependence of strain components ∊g and ∊gb due to grain interior deformation (GID) and grain boundary sliding (GBS), respectively, as well as of the corresponding component strain rates ∊g and ∊gb in high-temperature creep of a Cu-30% Zn alloy were investigated. The stress dependences of ∊g and ∊gb were found to be distinctly different, which, with other results, serves as a proof that GID and GBS are mutually independent processes in creep of the Cu-30% Zn alloy. The nomogram describing both the stress and temperature dependences of ∊g and ∊gb was obtained using the present results and the results of an investigation of temperature dependences of these component strain rates.
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