%0 conference lecture %@ %A Blankenburg, M., Staron, P., Stark, A., Fischer, T., Laipple, D., Schell, N., Bergmann, L., Hilgert, N., dos Santos, J.F., Huber, N., Schreyer, A., Mueller, M. %D 2014 %J Materials Science Engineering, MSE 2014 %T In situ investigation of phase transformations in friction stir welded steels using high-energy x-ray diffraction %U %X