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Original scientific paper

Experimental determination of continuous cooling transformation diagram for high strength steel X155CrMoV12

M. Krbaťa orcid id orcid.org/0000-0002-0520-8180 ; Faculty of Special Technology TnUAD Trenčín, Slovak Republic
J. Majerik ; Faculty of Special Technology TnUAD Trenčín, Slovak Republic
I. Barenyi orcid id orcid.org/0000-0002-9296-600X ; Faculty of Special Technology TnUAD Trenčín, Slovak Republic
M. Eckert ; Faculty of Special Technology TnUAD Trenčín, Slovak Republic
R. Čep orcid id orcid.org/0000-0001-9610-4215 ; Faculty of Mechanical Engineering VSBTU Ostrava, Czech Republic
J. Sedlak ; Faculty of Mechanical Engineering FSI VUT Brno, Czech Republic
I. Samardžić ; Mechanical Engineering Faculty, University of Slavonski Brod, Croatia


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Abstract

The article is a result of investigations which deals with the phase transformations of tool steel X155CrMoV12. The experimental data obtained was used to evaluate the resulting Continuous Cooling Transform (CCT) diagram, which consists of seven dilation curves. All experimental samples from dilatometric analyzes were then subjected to microstructural analyzes and hardness measurements to characterize the microstructure and hardness for each heat treatment mode tested. Atomic Force Microscopy (AFM) microscopy was also used to study the carbides present in steels and their size and shape for all selected cooling modes.

Keywords

dilatometry; X155CrMoV12; cooling rate; microstructure; CCT diagram

Hrčak ID:

262414

URI

https://hrcak.srce.hr/262414

Publication date:

3.1.2022.

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