surface treatment

Aluminum surface treatment & corrosion prevention

At the UACJ R&D Division, research is conducted on corrosion prevention techniques.

Surface treatment &  corrosion prevention techniques

Examples of surface treatment & corrosion prevention techniques

Corrosion prevention by Pre-coating

Imparting press formability and conductivity in addition to corrosion resistance
Inverter cover
Inverter cover
Maintaining high corrosion resistance even after press forming
Electrolytic capacitor cases
Electrolytic capacitor cases

Protective coating using anodizing

The structure of the protective coating film is researched and developed.
Cross-section of alumite film
Cross-section of alumite film
Ni surface analysis result
Ni surface analysis result

Protective coating using plating

Electroless nickel-plated heat sink
Caulking-type heat sink
Caulking-type heat sink

Development of undercoating agents

Research on chromium-free undercoating
Research on chromium-free undercoating
Comparison of adhesion strength using aqueous epoxy coatings