Grain Boundary Assemblies in Dynamically-Recrystallized Austenitic Stainless Steel
AbstractThe grain boundary misorientation distributions associated with the development of dynamic recrystallization were studied in a high-nitrogen austenitic stainless steel subjected to hot working. Under conditions of discontinuous dynamic recrystallization, the relationships between the grain or subgrain sizes and flow stresses can be expressed by power law functions with different grain/subgrain size exponents of about −0.76 (for grain size) or −1.0 (for subgrain size). Therefore, the mean grain size being much larger than the subgrain size under conditions of low flow stress gradually approaches the size of the subgrains with an increase in the flow stress. These dependencies lead to the fraction of high-angle boundaries being a function of the flow stress. Namely, the fraction of ordinary high-angle boundaries in dynamically-recrystallized structures decreases with a decrease in the flow stress. On the other hand, the fraction of special boundaries, which are associated with annealing twins, progressively increases with a decrease of the flow stress. View Full-Text
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Tikhonova, M.; Dolzhenko, P.; Kaibyshev, R.; Belyakov, A. Grain Boundary Assemblies in Dynamically-Recrystallized Austenitic Stainless Steel. Metals 2016, 6, 268.
Tikhonova M, Dolzhenko P, Kaibyshev R, Belyakov A. Grain Boundary Assemblies in Dynamically-Recrystallized Austenitic Stainless Steel. Metals. 2016; 6(11):268.Chicago/Turabian Style
Tikhonova, Marina; Dolzhenko, Pavel; Kaibyshev, Rustam; Belyakov, Andrey. 2016. "Grain Boundary Assemblies in Dynamically-Recrystallized Austenitic Stainless Steel." Metals 6, no. 11: 268.
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