Effect of diffusion borochromizing on microstructure, microhardness and corrosion resistance of tool steel with different carbon content

• Autorzy: Bartkowska A. , Bartkowski D. , Piasecki A.

Identyfikatory

DOI

10.5604/01.3001.0010.2025

• Języki publikacji: EN

Abstrakty

EN

Purpose: The aim of this paper is presents the study results concerning influence of carbon content on the surface layer condition, microstructure, microhardness and corrosion resistance of diffusion borochromized layer. Design/methodology/approach: In paper the three types of tool steel were analysed: CT90, 145Cr6 and 165CrV12. The borochromzing process was carried out in a powder mixture containing B4C, Fe-Cr, Al2O3 at temperature 950°C for 6 h. The source of chromium was Fe-Cr while the source of boron was B4C. Findings: As a result of borochromizing process the layer with microstructure similar to boronized layer was obtained. The thickness of the resulting surface layer was dependent on the carbon content of steel. Microhardness of the borochromized layer was similar to the microhardness of the boronized layer. Additionally the corrosion resistance tests in 5% NaCl solution were performed using a potentiodynamic method. It was found that the best corrosion resistance was characterized a layer on the steel with less carbon content. Originality/value: Value of the paper is analysis of corrosion resistance by potentiodynamic method of the tool steel with borochromized layer.

Słowa kluczowe

EN

borochromizing; microstructure; microhardness; corrosion resistance

PL

borochromowanie; mikrostruktura; mikrotwardość; odporność korozyjna

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2017
• Tom: Vol. 80, nr 2
• Strony: 49--55
• Opis fizyczny: Bibliogr. 15 poz., rys., tab.

Twórcy

autor

Bartkowska A.

• Institute of Materials Science and Engineering, Faculty of Mechanical Engineering and Management, Poznan University of Technology, Pl. M. Sklodowskiej-Curie 5, 60-965 Poznań, Poland

autor

Bartkowski D.

• Institute of Materials Technology, Faculty of Mechanical Engineering and Management, Poznan University of Technology, Pl. M. Sklodowskiej-Curie 5, 60-965 Poznań, Poland

autor

Piasecki A.

• Institute of Materials Science and Engineering, Faculty of Mechanical Engineering and Management, Poznan University of Technology, Pl. M. Sklodowskiej-Curie 5, 60-965 Poznań, Poland

Bibliografia

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• [3] A. Młynarczak, Modification of structure and properties of single- and multiplephase diffusion chromium, vanadium, titanium carbide coatings formed on steels by pack cementation, Poznan University of Technology Publisher, Poznań, 2005 (in Polish).
• [4] K. Przybyłowicz, Theory and practice of steel boriding, Kielce University of Technology Publisher, Kielce, 2000 (in Polish).
• [5] Yu.A. Balandin, Thermochemical treatment in fluidized bed. Surface hardening of die steel by diffusion boronizing, borocopperizing and borochromizing in fluidized bed, Metal Science and Heat Treatment 47/3-4 (2005) 103-106.
• [6] A. Młynarczak, A. Piasecki, Structure and properties of diffusion borochromized layers produced on tool steels, Archives of Mechanical Technology and Automation 24/2 (2004) 173-184 (in Polish).
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• [8] A. Bartkowska, A. Pertek, M. Jankowiak, K. Jóźwiak, Borided layers modified by chromium and laser treatment on C45 steel, Archives of Metallurgy and Materials 57/1 (2012) 211-214.
• [9] T. Murakami, Y. Hibi, H. Mano, K. Matsuzaki, H. Inui, Friction and wear properties of the siliconized, chromized and borochromized steel substrates, Materials Science Forum 783-786 (2014) 1464-1469.
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• [13] M. Aghaie-Khafri, M. Mohamadpour Nazar Abady, A Study of chromo-boronizing on DIN 1.2714 steel by Duplex, JOM 64/6 (2012) 694-701.
• [14] PN-EN ISO 6507-1, Metale, Pomiar twardości sposobem Vickersa. Cz 1: Metoda bada, Warszawa, 2007.
• [15] PN-EN ISO 17475, Korozja metali i stopów, Elektrochemiczne metody bada, Wytyczne wykonania potencjostatycznych i potencjodynamicznych pomiarów polaryzacyjnych. Warszawa, 2010.

Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).