Wednesday, August 12, 2009

A Metal Coating That Repairs Itself

Healing bubbles: Tiny fluid-filled capsules a few hundred nanometers wide are dispersed throughout a thin electroplated metal layer. The capsules could be filled with polymers to make metal coatings that repair themselves. Credit: Fraunhofer IPA

From Technology Review:

Electroplated metal could be used to make self-healing construction materials, car parts, and machinery.

Airplanes, cars, and ships that don't corrode are the promise of self-healing paint coatings and polymer materials. Now researchers at the Fraunhofer Institute for Manufacturing Engineering and Automation in Stuttgart, Germany have come up with a metal coating that may be able to repair itself after sustaining damage.

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