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US 2013/0153345 A1Published application
Brake element
AssigneeRobert Bosch GmbH
InventorsHagen KUCKERT, Patrick GLASER
Life of this patent
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Abstract
A brake disc for a disk brake of a motor vehicle is made of cast iron and lamellar graphite. The graphite is removed from open cavities of the cast iron, e.g., by an ultrasound treatment, in order to improve an adhesion of a thermal powder coating subsequently applied on friction surfaces of the brake disk.
Claims7
A brake element for a friction brake of a land vehicle, the brake element having cast iron including lamellar graphite, comprising:
- a friction surface region;
- wherein at least one of (i) in a selected area of the friction surface region, a graphite component of the cast iron decreases along a direction perpendicular to, and towards, the surface of the friction surface region, and (ii) cavities positioned in the cast iron in the selected area of the friction surface region are sealed along the surface of the friction surface region;
- and
- wherein the friction surface region is provided with a coating.
1 more element
Dependencies are inferred from the claim text.