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 Wedding Rose Ceremony. 0. A symbol of love and beauty, the rose is the ideal flower to incorporate into a wedding. With various colors having different meanings, from love and friendship to new beginnings and passion, they can tell a story unique to your wedding.