Characteristic Features of Structure and Analysis of Friction Behavior of Electric-Spark Coatings from Powder Wires

• Autorzy: Holubets Volodymyr , Pashechko Mykhaylo , Borc Jarosław , Shpuliar Yuriy , Hasiy Oleksandr , Honchar Ivan

Identyfikatory

DOI

10.12913/22998624/160978

• Języki publikacji: EN

Abstrakty

EN

The structure, phase and chemical composition of electric-spark coatings (ESC) obtained on the Elitron installation from powder electrode wires were investigated using a Neophot-2 optical computer microscope, an EVO-40XVP (Carl Zeiss) scanning electron microscope, DRON-3.0 X-ray diffractometer, EXPERT 02L elemental composition analyzer. The structure of the ESC is an austenitic matrix with boride inclusions (Fe,Cr)B, iron boride Fe2B, chromium borides of iron Cr1.65Fe0.35B0.96. The distribution of Cr, Fe and C in these coatings is uneven and varies in wide range. The micromechanical characteristics of the modified surface layer of steel 45 were analyzed using Ultra Nano Hardness Tester and Nan Scratch Tester. The article provides an analysis of the frictional behavior of the ESC under conditions of dry friction and boundary lubrication according to the finger-disc scheme. Frictional stability of such coatings indicates the expediency of using electric-spark alloying (ESA) technology with powder wires (PW) and powder wires with graphite (PWG) to increase the service life of both machine parts and cutting tools.

Słowa kluczowe

EN

powder wire; electro-spark coating; micromechanical characteristic; spectral analysis; phase analysis; dry friction; wear resistance

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2023
• Tom: Vol. 17, no 2
• Strony: 299--306
• Opis fizyczny: Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Holubets Volodymyr

• Department of Applied Mechanics and Technology of Machine Building, Ukrainian National Forestry University, Generala Chuprynky str., 103, 79057, Lviv, Ukraine

autor

Pashechko Mykhaylo

• Department of Fundamentals of Technology, Lublin University of Technology, ul. Nadbystrzycka 38A, 20-618 Lublin, Poland

autor

Borc Jarosław

• Department of Applied Physcics, Lublin University of Technology, ul. Nadbystrzycka 38A, 20-618 Lublin, Poland

autor

Shpuliar Yuriy

• Department of Applied Mechanics and Technology of Machine Building, Ukrainian National Forestry University, Generala Chuprynky str., 103, 79057, Lviv, Ukraine

autor

Hasiy Oleksandr

• Department of Applied Mechanics and Technology of Machine Building, Ukrainian National Forestry University, Generala Chuprynky str., 103, 79057, Lviv, Ukraine

autor

Honchar Ivan

• Department of Applied Mechanics and Technology of Machine Building, Ukrainian National Forestry University, Generala Chuprynky str., 103, 79057, Lviv, Ukraine

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).