Coating, Heal Thyself!

01 Dez 2008

Researchers in Germany have developed a self-healing, nanoscale coating for preventing corrosion in steel and aluminum parts for aerospace, automotive, maritime and energy applications. The environmentally friendly coating is seen as an alternative to hexavalent chromium and other coatings that, while effective, are also toxic.

The multilayer coating was created by Daria Andreeva, Ph.D., and a team of researchers at the Max Planck Institute of Colloids and Interfaces (Potsdam, Germany). Their process involves pretreating the surface by sonication and then depositing a series of oppositely charged polyelectrolytes and inhibitors layer by layer. All totaled, the coating is just 5 to 10 nanometers thick.

By John Sprovieri
sprovierij@bnpmedia.com



http://www.assemblymag.com/Articles/Column/BNP_GUID_9-5-2006_A_10000000000000492292

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