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O: Fachverband Oberflächenphysik

O 55: Poster Session III - MA 141/144 (Methods: Atomic and Electronic Structure; Particles and Clusters; Heterogeneous Catalysis; Semiconductor Substrates: Epitaxy and Growth+Adsorption+Clean Surfaces+Solid-Liquid Interfaces; Oxides and Insulators: Solid-Liquid Interfaces+Epitaxy and Growth; Phase Transitions; Metal Substrates: Adsorption of Inorganic Molecules+Epitaxy and Growth; Surface Chemical Reactions; Bimetallic Nanosystems: Tuning Physical and Chemical Properties; Oxides and insulators: Adsorption; Organic, polymeric, biomolecular films; etc.)

O 55.31: Poster

Mittwoch, 27. Februar 2008, 18:30–19:30, Poster F

Laser Treatment of Stainless Steel — •Christian Holzheu, Matthias Laske, and Othmar Marti — Institute of Experimental Physics, University of Ulm, 89069 Ulm, Germany

Laser treatment of stainless steel and the resulting material changes are studied. By irradiating the steel surface with short laser pulses the adhesion of polymers and especially fluorinated polymers is improved. The experiments were designed to evaluate the influence of different laser parameters on adhesion, surface morphology and composition and on surface tension. Corrosion behaviour and the durability of the material after laser treatment in comparison to untreated samples are studied in long time tests. Salt fog and mechanical pulses are used to simulate nearly realistic conditions.