3-D Structure of Metal Surface (IMAGE)

Kiel University

3-D Structure of Metal Surface

Caption

The targeted etching process of "nanoscale-sculpturing" roughens the upper layer of metal (here aluminium, 20 μm = 0.02 mm), thereby creating a 3-D structure with tiny hooks. A surface treated with this process can inter-lock like a three-dimensional puzzle with the surfaces of almost all other materials, forming unbreakable bonds. With this method, it is even possible to create bonds between aluminum and copper.

Credit

Melike Baytekin?Gerngross

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