Precipitates behavior during thermomechanical processing of low Mn, Ti added pipeline steels
The behavior of different precipitates during hot deformation of a low carbon, low manganese, and titanium added steel has been studied. Microstructural and inclusion analyses from the centerline of as-cast slabs revealed the presence of a wide variety of simple and/or complex precipitates with different size and morphologies. These precipitates were mostly deformed along the deformation direction and affected the recrystallization as well as the mechanical properties of the material. However, those effects altered by changing the re-heating temperature and/or deformation rate.
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