%0 conference lecture (invited) %@ %A dos Santos, J.F., Bergmann, L., Hilgert, J., Renteria, M., Huber, N., Fischer, T., Staron, P., Schreyer, A., Wang, H., Collegrove, P., Campbell, L., Robson, J., Kostka, A. %D 2012 %J Vortrag an der Northwestern Polytechnical University %T Precipitation Phenomena in AA7449 Friction Stir Welds: an insitu Study %U %X