For laser welds in thick section steel, the main cause of solidification cracking is the weld profile shape. The high depth to width ratio of laser welds causes restraint and means that high thermal stress acts across the weld where the solidification fronts meet, causing centreline cracking.
Two days later they will participate in a Rose Ceremony as the final step in their graduation process. While a rose is symbolic for many things, the School of Nursingâs Jasmine Clark says it has become a traditional event at UBC and a time-honoured tradition.
The Rose Ceremony. When we last left Bachelor Chris and the girls, Kelsey had just told him the tragic story of how her husband passed away several years ago. So things picked up right where they left off, with Kelsey strewn across the floor crying, and the other women eyeing her with a couldnât care less attitude.