1. Chemnitz University of Technology, Institute of Materials Science and Engineering, Chair of Composites and Material Compounds Erfenschlager Straße 73 09125 CHEMNITZ FEDERAL REPUBLIC OF GERMANY
2. Fraunhofer Institute for Nondestructive Testing IZFP, Department Production-Integrated NDT Campus E3 1 66123 SAARBRÜCKEN FEDERAL REPUBLIC OF GERMANY
3. DECHEMA-Forschungsinstitut, Corrosion Theodor-Heuss-Allee 25 60486 FRANKFURT AM MAIN FEDERAL REPUBLIC OF GERMANY