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Showing 1 to 3 of 3 for “"Linepipe"”.
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Damage and repair evolution of cold formed linepipe steel
… damage that can be achieved by heat treatment of linepipe steel. A set of unified viscoplastic constitutive equations was developed to simulate microstructural evolution and the effect on mechanical properties due to cold deformation followed by annealing. In addition, practical experiments have …
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The Effect of Niobium in the Heat-affected Zone of Microalloyed Steel
… of thermomechanically processed Nb microalloyed linepipe steels is destroyed in the vicinity of welds used in fabricating pipelines. There are conflicting views on the influence of niobium in the `heat-affected zone', particularly in the region closest to the weld fusion line which is most …
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Low Temperature Cleavage Fracture of Microalloyed Bainitic Plate Steels
Low temperature cleavage fracture behaviour was investigated using four experimental microalloyed bainitic plate steels. The four plate samples were produced by different thermomechanical processing (TMP) schedules and had yield strengths in the range 540 - 670 MPa. Microstructures were …