%0 conference lecture (invited) %@ %A Gabrisch, H.,Krekeler, T.,Lorenz, U.,Rackel, M.,Ritter, M.,Pyczak, F.,Stark, A. %D 2018 %J 10th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2018 %N %P %T Niobium segregation and O-phase formation in a Gamma-TiAl alloy %U %X