METHOD FOR DESANODIZING AN ALUMINUM OR ALUMINUM ALLOY PART FOR AN AIRCRAFT TURBOMACHINE
FR3171663A1Pending Publication Date: 2026-07-31SAFRAN LANDING SYSTEMS
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Patent Information
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Current Assignee / Owner
- SAFRAN LANDING SYSTEMS
- Filing Date
- 2025-01-28
- Publication Date
- 2026-07-31
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Abstract
The invention relates to a method for deanodizing a part (1), the part (1) comprising a base (10) of aluminum or aluminum alloy and an anodizing layer (12) based on oxyhydroxides that covers at least a portion of the base (10) and is intended to be removed by the method, the method comprising the following steps: (a) preparation of a deanodizing solution (2) comprising sulfuric acid (H2SO4) and nitric acid (HNO3), (b) immersion of the part (1), or a portion thereof, in the deanodizing solution (2) maintained at a temperature of 25°C or lower, and (c) withdrawal of the part (1) after a predetermined immersion time. Figure for the abstract: Fig. 6
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