Effect of Strain Rate of High-Strength Sheet Steel on Its Strain Fracture under Uniaxial and Biaxial Loading
V. M. Kosenkov
Institute of Pulse Processes and Technologies of the National Academy of Sciences of Ukraine, Mykolaiv, Ukraine, 54018
Keywords: скорость деформации, деформация, разрушение, напряженно-деформированное состояние, листовые высокопрочные стали, strain rate, deformation, fracture, stress-strain state, high-strength sheet steel
Abstract
This paper describes an experimental study of the strain rate of DP780, DP980, and T=240 high-strength sheet steels on an increase in their plasticity under uniaxial and biaxial tension. The strain rates of the steels vary in the range from 10-4 to 17 х 103 s-1.
|
