Spiegel, M.: Korrosion in Müllverbrennungsanlagen. DGM Fortbildungsseminar: Hochtemperaturkorrosion, Jülich, Germany (2006)

Spiegel, M.; Grabke, H.-J.: Korrosion durch Chlor und Chloride. DGM Fortbildungsseminar: Hochtemperaturkorrosion, Jülich, Germany (2006)

Swaminathan, S.; Spiegel, M.: Influence of Si, Mn and Cr on the selective oxidation of model alloys. EUROCORR2006, Maastricht, The Netherlands (2006)

Asteman, H.; Spiegel, M.: Investigation of the chlorine attack caused by HCl (g) on oxide scales formed on pre-oxidized pure metals and commercial alloys. EUROCORR 2006, Maastricht, The Netherlands (2006)

Bernst, R.; Spiegel, M.: Carburisation of Fe–Al alloys at 600°C in flowing CO-H₂-H₂O gas mixture. EUROCORR 2006, Maastricht, The Netherlands (2006)

Asteman, H.; Lill, K. A.; Hassel, A. W.; Spiegel, M.: Preparation and electrochemical characterisation by SDC of thin Cr₂O₃, Fe₂O₃ and (Fe,Cr)₂O₃ films, thermally grown on Pt-substrates. 6th Int. Symposium on Electrochemical Micro and Nanosystem Technologies, Düsseldorf, Germany (2006)

Spiegel, M.: Laboruntersuchungen zur Korrosion in thermischen Anlagen. Fachtagung: Werkstoffe und Verfahren der Energietechnik, Sulzbach-Rosenberg, Germany (2006)

Spiegel, M.: Einfluss der Veränderungen von gasförmigem Chloranteil und Rohrwandtemperaturen auf die Korrosion unter Belägen. VDI Wissensforum: Beläge und Korrosion in Großfeuerungsanlagen, Hannover, Germany (2006)

Spiegel, M.; Stein, F.; Pöter, B.: Initial Stages of Oxide Growth on Fe–Al Alloys. 3rd Disc.Meeting on the Development of Innovative Iron Aluminium Alloys, Mettmann-Düsseldorf, Germany (2006)

Spiegel, M.: Chlorkorrosion an Metallen. Seminar Werkstoffzentrum Rheinbach, Rheinbach, Germany (2005)

Spiegel, M.: Reaktionsmodelle zur salzschmelzeninduzierten Korrosion. SIDAF Seminar Dampferzeugerkorrosion, Freiberg, Germany (2005)

Spiegel, M.: Korrosion in Müllverbrennungsanlagen. DGM Fortbildungsseminar: Hochtemperaturkorrosion, Jülich, Germany (2005)

Spiegel, M.; Grabke, H. J.: Korrosion durch Chlor und Chloride. DGM Fortbildungsseminar: Hochtemperaturkorrosion, Jülich, Germany (2005)

Asteman, H.; Spiegel, M.: Investigation of the chemical breakdown of protective oxides formed on pre-oxidized alloys caused by HCl (g) and H₂O (g). Eurocorr 2005, Lisbon, Portugal (2005)

Parezanović, I.; Spiegel, M.: Improving Zn-wettability of Fe-Al alloys by selective oxidation/reduction treatments. Eurocorr 2005, Lisbon, Portugal (2005)

Ruh, A.; Spiegel, M.: Salt melt induced etching phenomena on metal surfaces. Eurocorr 2005, Lisbon, Portugal (2005)

Spiegel, M.: Stability of CVD coatings in simulated biomass combustion environments. Eurocorr 2005, Lisbon, Portugal (2005)

Pöter, B.; Stein, F.; Spiegel, M.: Characterization of Thin Oxide Layers Grown on Fe–15at.%Al. EUROCORR 2005, Lisbon, Portugal (2005)

Asteman, H.; Lill, K.; Hassel, A. W.; Spiegel, M.: Local Measurements of the Semi conducting Properties of alpha-Fe₂O₃ and Cr₂O₃ Films by Impedance Measurement using the Scanning Droplet Cell Technique. 9th International Symposium on the Passivity of Metals and Semiconductors, Paris, France (2005)

Park, E.; Spiegel, M.: Development and Composition of the High Temperature Oxide Film Grown on Fe-15Cr during Annealing. Passivity 9, Paris, France (2005)