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Mechanical Properties Optimization Metal Bars and Sheets Made of 34CrNiMo6 Steel

Journal of Iron and Steel Research International 2011年第S1期18卷 956-960页

作者： Dzugan Jan Novy Zbysek motycka petr Martinkova Jana Martinek petr COMTES FHT Inc. Prumyslova 995334 41 DobranyCzech Republic

Currently available and well known materials treated by a special procedures can provide superior properties in the comparison to presently obtained *** treatment procedures are efficiently developed with the use of physical simulators *** simulators allow treatment optimization on small scale laboratory samples which can be subsequently transferred to real production processes later ***,there is always need of successful transfer from small scale laboratory experiments to real production of for example metal *** the current paper thermo-mechanical procedure developed for 34CrNiMo6 steel under laboratory conditions is applied to metal sheets *** were obtained very promising properties on the bulk material samples processed in the physical simulator,the challenge was to obtain similar properties on a real metal sheets by a transfer of laboratory procedure to metal sheet production *** the considered case the combination of tensile strength and elongation were especially required for considered application in a train *** order to achieve excellent elongation for high strength hardened steel,very fine microstructure has to be attained through the thermo-mechanical process *** good results were achieved on produced metal sheets.6% elongation was attained allowing the possibility of further material processing,*** of sheets,with tensile strength exceeding 1500 *** study presented here confirms usefulness of thermo-mechanical simulators for new procedures *** the use of the simulator of thermaldeformation cycles a materials with optimized properties for certain application can be efficiently developed.

关键词： physical simulation thermo-mechanical treatment

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