Por: Thomas hoefler (k1-met gmbh, stahlstrasse 14, 4020 linz, austria; TU Wien, institute of chemical technologIES and analytics, getreidemarkt 9/146-CT, 1060 vienna, austria), Herbert Danninger (TU WIEN, INSTITUTE OF CHEMICAL TECHNOLOGIES AND ANALYTICS, GETREIDEMARKT 9/146-CT, 1060 VIENNA, AUSTRIA), Bernhard Linder (voestalpine Stahl GMBH, voestalpine-strasse 3, 4020 linz, austria), Gerhard Angeli (VOESTALPINE STAHL GMBH, VOESTALPINE-STRASSE 3, 4020 LINZ, AUSTRIA), Michael Auinger (UNIVERSITY OF WARWICK, WMG, coventry cv4 7al, united kingdom)