Monday, April 9, 2018

Aluminum oxide coatings move like liquids to combat corrosion

Extremely thin layers of aluminum oxide (center) act like a liquid, protecting aluminum (bottom) from oxidation ...

Metals may seem tough, but given enough time even plain old air can be their undoing. Oxygen reacts with it to form metal oxides like rust, but now it turns out a metal oxide may come to the rescue. An MIT team has found that aluminum can be protected from further oxidation by a thin coating of aluminum oxide, which acts like a liquid, flowing to fill any gaps as they form.

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Category: Materials

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