PISTON RING, USE OF A PISTON RING AND METHOD FOR PRODUCING A PISTON RING

摘要

The invention relates to a piston ring composed of a fibre composite material with fibres and a matrix, wherein the matrix comprises carbide and a free carbon phase with a fraction of at least approximately 5 % by volume. The invention also relates to an engine, to a use of a piston ring, and to a method for producing a piston ring.