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Metallurgy, Vol.55 No.4 October 2016. -

The aim of this experimental research was to perform an analysis of deformation characteristics on two different types of steel: IF steel, and micro-alloyed steel were used automotive industry. For that purpose changes of properties of these materials were carried out by static 10-3 • s-1 and dynamic 103 • s-1 strain rate assess its plastic properties. Vickers micro hardness test was carried out by the static and dynamic loading condition and describes different hardness distribution. The higher strain hardening of materials was obtained too that was confirmed by distribution of dislocations.

steel IF, S420; sheets; dynamic tensile test; hardness HV1; dislocation structure

Autor: M. Mihaliková - ; Faculty of Metallurgy, Technical University of Košice, Slovakia A. Lišková - ; Faculty of Metallurgy, Techn

Fuente: http://hrcak.srce.hr/


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