PRODUCTION OF PISTON RING WITH EMBEDDED PARTICLES Russian patent published in 2015 - IPC B22D13/10

Abstract RU 2563912 C2

FIELD: process engineering.

SUBSTANCE: invention relates to metallurgy. Iron or steel melt is produced to add ceramic particles thereto, their density being lower than that of said melt to be teemed into mould for said melt to be cooled. During cooling, said mould is arranged horizontally so that ceramic particles are connected on one end side of piston ring. Ceramic particles are selected from the group containing of particles of Al₂O_3,Cr₂O₃, Fe₂O₄, TiO_2,ZrO₂ and mix thereof.

EFFECT: improved mechanical properties.

6 cl

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RU 2 563 912 C2

Authors

Mitler, Rikhard

Pel'Shoehtsi, Laslo

Dates

2015-09-27—Published

2011-07-19—Filed