Influence of Strain Rate on Properties of Microalloyed S-MC Steel Grades (CROSBI ID 94964)
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Podaci o odgovornosti
Čižmarova, Eva ; Michel, Jan ; Mamuzić, Ilija ; Buršak, Marijan
engleski
Influence of Strain Rate on Properties of Microalloyed S-MC Steel Grades
The influence of strain rate on properties of microalloyed steel for cold drawing of S 315 MC and S 460 MC grades was analysed. It has been shown by testing these steel that strain rates in the range from 0.001 up to 1/s do not influence the mechanical properties significantly. Significant strengthening started at strain rates exceeding 2/s. It has been shown also that the basic mechanical properties of the coldworked tested steel by 5 to 25 % were not influenced by prestrain at 0.001 to 1000/s strain rates. It is supposed according to the results, that the susceptibiliy to cold work of these steel was not influenced significantly by the strain rates usually used at coldwork and that the products after coldwork maintain their mechanical properties.
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