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RISThermal Simulation and Fracture Resistance Evaluation of Coarse-Grain Heat-Affected Zone in Welds of Q355D Steel
Publisher: ASCE
Abstract: The coarse-grain heat-affected zone (CGHAZ) is often the most fragile part of the weld region due to hard phases and coarse grains generated during the welding. Characterization of the mechanical properties and fracture ...
A Simplified Strategy to Address Effects of the Drop of Temperature on the Gurson-Tvergaard-Needleman Model for G20Mn5QT Cast Steels
Publisher: ASCE
Abstract: G20Mn5QT cast steels have been widely used in cast steel connections, which may suffer from ductile fracture at ambient temperature. Northern climates make the problem even worse because the ductility of the cast steels ...