EP 2326736 A1 20110601 - QUENCH PASSIVATION OF ALUMINUM DIE-CAST PARTS
Title (en)
QUENCH PASSIVATION OF ALUMINUM DIE-CAST PARTS
Title (de)
QUENCHPASSIVIERUNG VON ALUMINIUMDRUCKGUSSTEILEN
Title (fr)
PASSIVATION PAR REFROIDISSEMENT RAPIDE DE PIÈCES EN ALUMINIUM COULÉ SOUS PRESSION
Publication
Application
Priority
- EP 2009060064 W 20090804
- DE 102008048596 A 20080923
Abstract (en)
[origin: WO2010034553A1] The present invention relates to a method for passivating cast parts made of aluminum and/or alloys of aluminum, wherein the cast part solidified after liquid casting is transferred into a quenching bath having a passivating aqueous composition. The present invention further relates to a method for the anti-corrosion treatment of cast parts made of aluminum and/or alloys of aluminum, wherein the solidified cast part removed from the mold part and having a temperature of more than 300°C is brought into contact with a passivating aqueous composition to quench the cast part, whereupon after machining of the cast part and a subsequent cleaning and degreasing step, a passivating treatment occurs before the cast part is optionally coated with an organic topcoat. The present invention further relates to a cast part made of aluminum and/or alloys of aluminum, said cast part having been subjected to a method according to the invention for passivating and or for anti-corrosion treatment, and the use of such a cast part in a method for applying additional anti-corrosion coatings and/or decorative coating applications.
IPC 8 full level
C21D 1/60 (2006.01); C22F 1/04 (2006.01); C23C 22/34 (2006.01); C23C 22/66 (2006.01); C23C 22/83 (2006.01); C23F 11/167 (2006.01)
CPC (source: EP)
C22F 1/04 (2013.01); C23C 22/34 (2013.01); C23C 22/56 (2013.01); C23C 22/66 (2013.01); C23F 11/1676 (2013.01); C21D 1/60 (2013.01)
Citation (search report)
See references of WO 2010034553A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
WO 2010034553 A1 20100401; DE 102008048596 A1 20100408; EP 2326736 A1 20110601
DOCDB simple family (application)
EP 2009060064 W 20090804; DE 102008048596 A 20080923; EP 09781449 A 20090804