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Optimization of chemical composition and heat treatment condition of structural steel

Honysz R., Dobrzański L. A.

Journal of Achievements in Materials and Manufacturing Engineering

2014

Vol. 64, nr 1

27--33

Purpose: This paper presents the methodology and results of virtual research project involving the optimization of the chemical composition and heat treatment conditions of structural steels. Investigations were performed in virtual environment with use of materials science virtual laboratory. Design/methodology/approach: The first task was to search for such a range of chosen element concentration while keeping the concentration of other elements unchanged in order to satisfy all the conditions for steel mechanical properties defined by a virtual client. Second task of virtual research project consisted in searching for such ranges of temperature and time for hardening and tempering , to ensure that all the conditions for steel properties defined by a virtual client has been met without making changes in the chemical composition of steel. Findings: Virtual investigations results were verified in real investigative laboratory. Results of virtual examinations are presented as raw data and influence charts. Practical implications: The new material design methodology has practical application in the development of materials and modelling of steel descriptors in aim to improve the mechanical properties and specific applications in the production of steel. Presented examples of computer aid in structural steel production shows a potential application possibility of this methodology to support the production of any group of engineering materials. Originality/value: The prediction possibility of the material mechanical properties is valuable for manufacturers and constructors. It ensures the customers quality requirements and brings also measurable financial advantages.

Analysis of alloying elements influence on properties of structural steel with use of material science virtual laboratory

Dobrzański L., Honysz R.

Czasopismo Techniczne. Mechanika

2011

R. 108, z. 4-M/1

65-72

The paper introduces analysis results of selected alloying elements influence on mechanical properties of alloy structural steels for quenching and tempering. Investigations were performed in virtual environment with use of materials science virtual laboratory. Virtual investigations results were verified in real investigative laboratory.

W artykule przedstawiono przykładowe wyniki analizy wpływu wybranych pierwiastków stopowych na własności mechaniczne stopowych stali konstrukcyjnych do ulepszania cieplnego. Badania zostały wykonane w przestrzeni wirtualnej z wykorzystaniem wirtualnego laboratorium inżynierii materiałowej. Wyniki wirtualnych badań zweryfikowano w rzeczywistym laboratorium.