Wear Mechanism of Spheroidal Cast Iron Piston Ring-Aluminum Matrix Composite Cylinder Liner Contact

• Autorzy: Bąkowski H.

Identyfikatory

DOI

10.24425/118965

• Języki publikacji: EN

Abstrakty

EN

The paper presents the results of research on the impact of stereological characteristics of microstructure of graphite in nodular GJS-400 cast iron and Al₂ O₃ fibers in the composite AC-47000 + 10% Al₂ O₃ F on the mechanism of wear in a cast iron piston ring – composite cylinder liner contact in a combustion engine. To elucidate the mechanisms of wear in the tested contact was used Finite Element Method (FEM). On the basis of quantitative metallographic examination of test materials were determined stereological parameters of their structures. It was necessary for the implementation of the 3D model that reflects the actual structure with particular focus on the different phases in order to determine the distribution of stresses and strains. The determination Strains of the local stresses value of allowed the prediction of wear initiating places. Formation of stereological parameters of cast iron in the technological process allows a prediction of values and distributions of the stresses/strains and thus reduce wear and extend durability of the analyzed contact.

Słowa kluczowe

EN

cast iron; spheroidal graphite; wear mechanism; stereological parameters

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2018
• Tom: Vol. 63, iss. 1
• Strony: 481--490
• Opis fizyczny: Bibliogr. 16 poz., rys., tab.

Twórcy

autor

Bąkowski H.

• Silesian University of Technology Department of Automotive Vehicles Service Faculty of Transport, 8 Krasińskiego Str., 40-019 Katowice, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).