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1. (WO2018202860) THERMALLY INSULATING COATING FOR AN ALUMINUM PISTON

Pub. No.:    WO/2018/202860    International Application No.:    PCT/EP2018/061520
Publication Date: Fri Nov 09 00:59:59 CET 2018 International Filing Date: Sat May 05 01:59:59 CEST 2018
IPC: C23C 28/00
C25D 9/06
C25D 11/02
C25D 11/26
C25D 11/30
C23C 28/04
F02F 3/12
Applicants: FEDERAL-MOGUL NÜRNBERG GMBH
Inventors: CROMME, Wolfram
DANNENFELDT, Margrit
BLÜMM, Monika
Title: THERMALLY INSULATING COATING FOR AN ALUMINUM PISTON
Abstract:
The invention relates to a coated aluminum piston, in particular an aluminum piston for an internal combustion engine, and to a method for coating the piston. An area of the piston comprises a plasma oxide layer which is sealed with a coating that comprises a polysilazane-based, a water glass-based or polysiloxane-based polymer.