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.
Graduation. If you need to contact us, please always remember to quote your student ID. Your graduation ceremony is an opportunity to gather with family and friends to publicly recognise and celebrate your award.Itâs a chance to catch up with your University friends and say goodbye to the University staff who have helped you along the way.raduation. If you need to contact us, please always remember to quote your student ID. Your graduation ceremony is an opportunity to gather with family and friends to publicly recognise and celebrate your award.