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Dr.-Ing. Axel Marquardt
Lehrstuhl Werkstoffwissenschaft
Institut für Werkstoffe
Fakultät für Maschinenbau
Ruhr-Universität Bochum
Universitätsstr. 150
44780 Bochum

Gebäude ICFO, Ebene 04, Raum 341
Activities: Research Assistant
On the take up of small molecules by shape memory polymers and the effect of this process on functional properties. Shape memory polymers have been considered for various medical applications. The objective of the work of Axel Marquardt was to explore, whether these fascinating materials can also be used for engineering applcations. He considers applications where the shape memory polymer is exposed to fluids like water, alcohol or acetone, from where small molecules can diffuse into the polymer. In the framework of a DFG funded priority programme, Axel Marquardt studies these phenomena. He combines phenomenological diffusion theory with weight gain studies, to obtain kinetic data for the mobilities of small molecules in polymers. He then studies the effect of such processes on the functional properties of shape memory polymers, considering the evolution of exploitable actuator strokes. He also started work on the effect of end loads on actuator performance, a field of research which is now being continued by Hakan Dumlu.

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