%0 conference lecture %@ %A Riekehr, S., Ravasi, R., Enz, J., Ventzke, V., Kashaev, N. %D 2015 %J 7th Internaternational Light Metals Technology Conference, LMT 2015 %T Mechanical properties of fibre laser welded AZ31B sheets and their dependence on the spot-size %U %X