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Protection I: Oxide tailoring for downstream modification by chemical nanotechnology to upgrade adhesive properties and corrosion protection of aluminum alloys

Korrosionsschutz I. Maßschneidern von Oxiden für die Nachfolgemodifikation durch chemische Nanotechnologie zur Verbesserung der adhäsiven Eigenschaften und des Korrosionsschutzes von Aluminiumlegierungen
: Schneider, M.; Sydow, U.; Weidmann, S.K.; Fürbeth, W.

Hirsch, J. ; Deutsche Gesellschaft für Materialkunde e.V. -DGM-, Oberursel:
Aluminium Alloys. Their Physical and Mechanical Properties. Vol.2 : Proceedings of the 11th International Conference on Aluminium Alloys, 22 - 26 Sept. 2008, Aachen, Germany; ICAA 11
Weinheim: Wiley-VCH, 2008
ISBN: 978-3-527-32367-8
ISBN: 3-527-32367-8
International Conference on Aluminium Alloys <11, 2008, Aachen>
Conference Paper
Fraunhofer IKTS ()
Adhäsion; Aluminiumlegierung; Anodisieren; Imprägnieren; Korrosionsschutz; Porosität; Sol-Gel-Prozess; Aluminiummagnesiumlegierung; Aluminiummagnesiumsiliciumlegierung

The modified phosphoric acid anodizing (MPAA) of AA1050 shows promising features of oxide properties and it can be assumed that the corrosion protection performance of such anodization layers is improved by the pore impregnation with nanoparticles. Furthermore, the remaining open porosity should enhance the adhesive bonding comparable with conventional PAA pre-treated material. The preserved open porosity is the prerequisite of the subsequent impregnation process. Long-term corrosion tests and tests of the adhesive bonding strength are planned to be carried out soon. First experiments with other aluminum alloys (AA20204, AlMg1, AlMgSi0.5) indicate that they are also accessible to impregnation with nanoparticles.