Characterization of hardening behaviors of 4130 Steel, OFHC Copper, Ti6Al4V alloy considering ultra-high strain rates and high temperatures
International Journal of Mechanical Sciences（2017）
Abstract
•Hardening behaviors at ultra-high strain rates have been characterized.•A hybrid optimization approach is used to characterize hardening behaviors.•Thermal softening effect is investigated at different strain rates.•Sequentially deformed shapes have been considered from the Taylor impact tests.
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Key words
Strain rate hardening,Thermal softening,Inverse optimization,Ultra-high strain rate
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