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Contact Ms Barbara Abrell +49 89 21081416
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Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.

Perlmutt setzt Maßstäbe

Ein Sandwichmaterial wird besonders bruchfest, wenn es elastische und harte Nanoschichten im gleichen Verhältnis wie Perlmutt enthält

(PresseBox) (München, )
Wer das richtige Maß sucht, kann sich manchmal an der Natur orientieren - das gilt auch für Materialwissenschaftler: Muscheln etwa schichten im Perlmutt Proteine und Kalziumkarbonat genau im richtigen Schichtdickenverhältnis übereinander, um Perlmutt besonders bruchfest zu machen. Das haben Wissenschaftler des Max-Planck-Instituts für Metallforschung herausgefunden: Nach dem Vorbild von Perlmutt haben sie Titandioxid und ein Polymer zu Verbundmaterialien übereinandergestapelt und dabei die Schichtdicken variiert. Hierbei erwies sich das natürliche Verhältnis der anorganischen und organischen Komponenten als das Stabilste.

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