%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 %T Niobium segregation and O-phase formation in a Gamma-TiAl alloy %U %X