Slide rings having a ledeburitic microstructure at the surface

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United States of America Patent

PATENT NO 10344348
APP PUB NO 20160244856A1
SERIAL NO

15026037

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Abstract

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A slide ring includes a main body composed of grey cast iron, wherein at least a partial region of a functional surface has a ledeburitic microstructure at the surface. A method for producing such a slide ring includes heating a functional surface of the slide ring by irradiating with high-energy radiation, wherein the irradiation is carried out so that at least a partial region of the irradiated surface is remelted, wherein the parameters of the irradiation are selected so that at least a partial region of the functional surface has a ledeburitic microstructure after cooling.

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Patent Owner(s)

  • FEDERAL-MOGUL FRIEDBERG GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bradl, Christoph Friedberg, DE 2 2
Dengler, Andreas Friedberg, DE 6 11
Kumpfmuller, Andreas Friedberg, DE 1 0
Matz, Marc-Manuel Kissing, DE 13 22

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