Article ID Journal Published Year Pages File Type
7971791 Materials Science and Engineering: A 2018 10 Pages PDF
Abstract
Microcrystalline Cu99.99 produced by equal channel angular pressing and static recrystallization was deformed in tensile and compressive creep at 573 K. Discontinuous coarsening of grains led to dramatic changes of creep rate. These reflect general hardening as the grains coarsen, superimposed by transient net softening when grain boundary migration activity peaks. The strength at the first minimum of creep rate is modeled by treating the material as a composite of subgrain-free and subgrain-containing grains with different recovery kinetics.
Related Topics
Physical Sciences and Engineering Materials Science Materials Science (General)
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