Carsten Gachot, Andreas Rosenkranz, Burkhard Wietbrock, Gerhard Hirt and Frank Mücklich Advanced Design of Hierarchical Topographies in Metallic Surfaces by Combining Micro-Coining and Laser Interference Patterning Advanced Engineering Materials 15
The tailoring of surface properties requires a method being able to access structural sizes ranging from sub µm up to some 100 µm or even more. So far, several mechanical techniques such as embossing, cast moulding, or lithography based methods are needed to create the necessary structures on different scales. Therefore, a new technology combination is studied within this work on aluminum surfaces. The idea is based upon the combination of laser interference metallurgy for the advanced design of topographies and microstructures with micro-coining leading to superior hierarchical surface textures.
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