Advancements in corrosion protection for aerospace aluminum alloys through surface treatment - News and insights for the European coatings industry

A recent review delves into the dynamic field of corrosion protection for aerospace aluminum alloys, emphasizing the evolution of surface treatment technologies.

Aluminum alloys, central to the aerospace industry due to their optimal blend of low density and high strength-to-weight ratio, face persistent challenges in corrosion resistance. The review explores the transition from traditional corrosion protection methods like chromate conversion coatings and anodizing to innovative and environmentally friendly alternatives. Key advancements include the development of rare earth element-based coatings and organic-inorganic hybrid coatings, which have demonstrated significant improvements in corrosion resistance.

Unlock the secrets of can and coil coatings! From battling corrosion to meeting stringent industry regulations, these coatings face unique challenges. Dive into the world of formulation enhancements, innovative application methods, and regulatory updates tailored specifically for can and coil coatings. Join us for the EC Conference Can and Coil Coatings on September 18, 2024, online. Gain invaluable insights into the latest developments and methods shaping the future of can and coil coatings. Don’t miss out—register now to stay ahead in this dynamic industry!

For instance, cerium-based coatings offer a viable replacement for chromate coatings, while polymer coatings, enhanced with corrosion inhibitors, present a versatile solution. The incorporation of nanotechnology, particularly graphene and nanostructured coatings, marks a significant stride, offering enhanced barrier properties and self-healing capabilities. The review identifies the need for balancing environmental sustainability with effective corrosion protection and the adaptation to new aerospace materials as ongoing challenges. This shift towards advanced, environmentally conscious coatings represents a pivotal advancement in ensuring the safety and longevity of aerospace components under corrosive conditions.

Source: International Journal of Electrochemical Science, Volume 19, Issue 2, February 2024