Patent ID: 11867243
Assignee: ROBERT BOSCH GMBH
Field: Surface technology, coating (Chemistry)
Classification: CPC F  B  C | IPC B  F

Claim 0:
1. A friction brake element for a friction brake disk of a motor vehicle, comprising:
a main element made of gray cast iron;
at least one antiwear layer applied to the main element; and
at least one intermediate layer located between the antiwear layer and the main element, wherein the at least one intermediate layer is a metallic intermediate layer applied by laser buildup welding,, wherein
the at least one antiwear layer is configured as one of ceramic coating and iron-based alloy, the at least one antiwear layer having embedded hard material particles consisting of carbides, oxides, nitrides or borides, and
a layer thickness of the at least one intermediate layer is at least twice an average particle size of the hard material particles embedded in the at least one antiwear layer.