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L. F. Koroleva

MODIFIED NANOPARTICLE OXIDES FOR FINAL POLISHING OF METALS

A concept of mechanochemical final polishing of hardened steels and non-ferrous metals with nanodispersed abrasive materials is discussed. It has been found that the solid solution of aluminum and iron oxides based on corundum and hematite, Al2-xFexO3 and Fe2-yAlyO3, which is derived from hydroxocomplexes, is tribochemically active, provides high productivity and nanoroughened surface (Ra 0.002 to 0.005 µm) in the processes of final polishing of ShKh15-type steels with austenitic-martensitic structure, as well as copper, aluminum and titanium and their alloys. The modification of the solid solution of aluminum and iron oxides with molybdenum, manganese and zirconium oxides provides a nanoroughened surface of non-ferrous metals in the processes of final polishing.

Keywords: modification, solid solutions, oxides, final polishing, mechanochemistry

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impact factor
RSCI 0.284

 

MRDMK 2019
MRDMK 2019

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Founder:  Institute of Engineering Science, Russian Academy of Sciences (Ural Branch)
Chief Editor:  E.S. Gorkunov
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