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The pre-extrusion homogenization treatment at 400°C effectively dissolves the eutectic phase and the liberated Al contributes in solid solution strengthening. After extrusion with prior homogenization, an abnormal grain growth occurs at the region favored by the local degree of dynamic recrystallization (DRX) and texture. This weakens the bulk texture, reduces the directional anisotropy in yield Stress...
The electromechanical behavior of a pressure vessel grade steel A516 has been investigated using potentiodynamic polarization curves and slow strain rate test (SSRT) in simulated environment of pressurized water reactor. The anodic polarization behavior shows that the steel remains active in the solution till localized attack (pitting) starts. The cracks initiated at the surface propagate in a trans-granular...
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