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1. (WO2001088219) SURFACE COATED MOTOR COMPONENT AND PROCESS FOR PRODUCING IT

Pub. No.:    WO/2001/088219    International Application No.:    PCT/SE2000/000982
Publication Date: Nov 22, 2001 International Filing Date: May 17, 2000
IPC: C23C 4/00
Applicants: SAAB AB
STRAND, Kent
KARLSSON, Sven-Åke
EKBLAD, Stefan
Inventors: STRAND, Kent
KARLSSON, Sven-Åke
EKBLAD, Stefan
Title: SURFACE COATED MOTOR COMPONENT AND PROCESS FOR PRODUCING IT
Abstract:
An engine component made of a metal matrix material (MMC), wherein at least one of the tolerance-critical surfaces of the engine component is coated with a metallic layer that is easier to work by machining than the metal matrix material itself. For example, the interior hollow surfaces of a connecting rod are thus coated with bronze or a corresponding tribologically functional metal. The invention also provides a method for coating the component with the metallic layer, and in particular a method wherein the component is pre-machined from a raw billet of MMC by means of high-speed machining, HSM.