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Aerospace Anodizing is one of the services Albers Finishing & Solutions offers to its customers. Anodizing for OEM and Mil-A-8625, provides a superior surface in many applications on detail part components for Primer adherence to the Aluminum substrates.
Process Capabilities for the Aerospace Industry
Our Anodizing process consists of a Boric-Sulfuric Acid Anodize (BSAA), adhering to the strict regulations of the aerospace industry because of its ability to effectively provide equivalent corrosion resistance and paint adhesion while maintaining the existing mechanical properties.
In NDT we utilize, Fluorescent Penetrant, Type 1, Method A, Sensitivity 3, Developer Form A.
Boric-Sulfuric Acid Anodize was found, by testing and analysis performed by the Naval Air Warfare Center Aircraft Division, to effectively provide equivalent corrosion resistance and paint adhesion in the anodizing process. It was identified as an alternative to chromic acid anodize due to the environmental, worker safety and health concerns.
The paint adhesion is equal or superior to chromic acid, with a more energy-efficient and cost-effective process. The attributes of Boric-Sulfuric Anodize include:
Good for tight tolerance parts: will not change dimensions
Good for adhesion
The applications of Boric-Sulfuric Acid Anodize for the Aerospace Industry include:
Precision machined components
Sheet metal components
As a paint/prime base
Chemical conversion coatings play an important role as a coating—alone or for its enhanced adhesion properties. Though they do not compare with anodizing, either as a finish or in the range of applications in the aerospace industry.
The oxide film formed by various anodizing processes is mechanically superior and produces a much higher corrosion- and abrasion-resistant layer than the chemical conversion coatings. The various processes all use an electrical current to form the oxide film. The current passes through an electrolyte in which aluminum is the anode, hence, the name “anodizing.” The nature of the electrolyte, the reaction produced and operation parameters determine the structure and properties of the formed oxide film.
Certifications / Approvals
Nadcap Aerospace Quality System (AC7004)
Nadcap Chemical Processing & NDT Fluorescent Penetrant Inspection
Boeing D1-4426 Approved processors BE10422536 (NDT BAC5423, BSAA BAC5632 Class 1 & Class 5, Chem-Film BAC5719,Boeing BAC5736 - BMS10-11)
Honda Jet - HJPS-6011_G3 Chemical Conversion Coating of Aluminum & Aluminum Alloys & HJPS-6035_-1 Boric Sulfuric Acid Anodizing of Aluminum Alloys.
Nadcap Aerospace Quality System
(Click to Download)
Nadcap Aerospace Chemical Processing (Click to Download)
Nadcap Aerospace NonDestructive Testing (Click to Download)