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Micrograin Superplasticity: Characteristics and Utilization
AbstractMicrograin Superplasticity refers to the ability of fine-grained materials (1 µm < d < 10 μm, where d is the grain size) to exhibit extensive neck-free elongations during deformation at elevated temperatures. Over the past three decades, good progress has been made in rationalizing this phenomenon. The present paper provides a brief review on this progress in several areas that have been related to: (a) the mechanical characteristics of micrograin superplasticity and their origin; (b) the effect of impurity content and type on deformation behavior, boundary sliding, and cavitation during superplastic deformation; (c) the formation of cavity stringers; (d) dislocation activities and role during superplastic flow; and (e) the utilization of superplasticity.
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Mohamed, F.A. Micrograin Superplasticity: Characteristics and Utilization. Materials 2011, 4, 1194-1223.View more citation formats
Mohamed FA. Micrograin Superplasticity: Characteristics and Utilization. Materials. 2011; 4(7):1194-1223.Chicago/Turabian Style
Mohamed, Farghalli A. 2011. "Micrograin Superplasticity: Characteristics and Utilization." Materials 4, no. 7: 1194-1223.