Friction reduction and zero wear for 52100 bearing steel by high-dose implantation of carbon

Autor:	H. Dimigen, C.J.M. Denissen, Heiner Ryssel, A. Kluge, K. Kobs, R. Oechsner, J. Politiek, L.J. van IJzendoorn, E. Gerritsen
Jazyk:	angličtina
Rok vydání:	1990
Předmět:	Bearing (mechanical) Materials science Physics and Astronomy (miscellaneous) Metallurgy chemistry.chemical_element Tribology Rutherford backscattering spectrometry Fluence law.invention Carbide Ion implantation chemistry law X-ray crystallography human activities Carbon
Zdroj:	Applied Physics Letters, 57(16), 1622-1624. American Institute of Physics
ISSN:	1077-3118 0003-6951
Popis:	Ion implantation of carbon in the AISI 52100 bearing steel yields a distinct reduction in friction and wear. This improvement is strongly dependent on the implanted fluence. The coefficient of friction decreases from 0.6 to 0.2 for doses >1×1018 cm-2 (energy 100 keV) and a wear reduction to nearly ‘‘zero wear’’ was obtainable even under severe wear conditions. The counterpart (unimplanted AISI 52100 steel ball) shows a similar behavior, which demonstrates that the tribological system is totally changed. Mössbauer spectroscopy and x-ray diffraction revealed that hexagonal ¿-carbide is formed on implantation. On the other hand, Rutherford backscattering spectrometry shows that for high doses a large fraction of the implanted carbon is not contained in this carbide.
Databáze:	OpenAIRE
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