TY - CONF A1 - Erning, Johann Wilhelm T1 - Canada in lower saxony or are penguins inhibitors? N2 - A failure cas in an animal enclosure at hannover zoo is presented. reasons for corrosive failure and solutions are discussed T2 - Eurocorr and ICC 2017 CY - Prag, Czech Republic DA - 4.9.17 KW - Cathodic PY - 2017 AN - OPUS4-41868 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -