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.
Muhlenberg's 169th Commencement Ceremony will be held on campus at 10:00 a.m. on May 21, 2017. The ceremony will take place on the College's front lawn, with the iconic Haas College Center and its signature bell tower serving as a backdrop.