COMPOSITION AND METHOD FOR TREATING MAGNESIUM ALLOYS

Title:

COMPOSITION AND METHOD FOR TREATING MAGNESIUM ALLOYS

Document Type and Number:

WIPO Patent Application WO2002097164

Kind Code:

A3

Abstract:

The invention relates to a composition and method for treating a magnesium alloy. The inventive composition comprises an acid aqueous solution containing niobium pentoxide, a water-soluble cerium salt and, optionally, a zirconium salt and/or hydrofluoric acid. Said method consists in submerging a magnesium alloy part in said composition. The invention can be used to protect magnesium alloy parts against corrosion.

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Inventors:

MARCUS PHILIPPE (FR)
ARDELEAN HELENE (FR)

Application Number:

PCT/FR2002/001843

Publication Date:

March 06, 2003

Filing Date:

May 31, 2002

Export Citation:

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Assignee:

UNIV PARIS CURIE (FR)
MARCUS PHILIPPE (FR)
ARDELEAN HELENE (FR)

International Classes:

C23C22/34; C23C22/57; (IPC1-7): C23C22/57; C23C22/34

Domestic Patent References:

WO1999060186A1

1999-11-25

Foreign References:

DE707722C	1941-07-01
US5584944A	1996-12-17
US3066055A	1962-11-27
EP0969078A2	2000-01-05

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