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 is not the end, it's the beginning. 253 up, 133 down. favorite. Robert Purvis quotes. Graduation quotes. A graduation ceremony is an event where the commencement speaker tells thousands of students dressed in identical caps and gowns that 'individuality' is the key to success.185 up, 106 down.arents quotes Parenting quotes Glory quotes Accomplishment quotes Believe In Yourself quotes Duty quotes Appreciation quotes. Visualize the accomplishment of your everyday goals, and praise yourself each day for your hard work; never let a day pass without glorifying yourself for performing your duty as a parent.