2019 Pittsburgh AISTech

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Anisotropy Evaluation of Steel Plates for Large-Diameter Pipeline Application (Room 412)

The anisotropy of tension properties on a steel plate can, potentially, generate catastrophic failures during application. Critical examples can be found in pipeline steels for oil and gas transportation and oil country tubular goods structural pipes, where exploration occurs in increasing depths and pressures. In these situations, the mechanical requirements are very demanding on both transverse and longitudinal directions. Additionally, toughness requirements insert an even higher degree of complexity in these specifications. Therefore, it is vital to understand the phenomena in order to act in the thermomechanical processing, achieving the best possible control on the material responses during use.