Xue Rundong,Zhao Zhiyi,Fei Aigeng.Effect of Cold Processing on the Substructure of CN-1515 Austenitic Stainless Steel Cladding Tube[J].Special Steel,2023,44(05):107-112.
Xue Rundong,Zhao Zhiyi,Fei Aigeng.Effect of Cold Processing on the Substructure of CN-1515 Austenitic Stainless Steel Cladding Tube[J].Special Steel,2023,44(05):107-112. DOI: 10.20057/j.1003-8620.2023-00085.
Effect of Cold Processing on the Substructure of CN-1515 Austenitic Stainless Steel Cladding Tube
The evolution law of substructure of CN-1515 austenitic stainless steel cladding tube after cold processing was studied by TEM (Transmission Electron Microscope) and EBSD (Electron Back-Scattered Diffraction) . It showed that with the increase of cold rolling deformation, the annealing twins were reduced, the number of deformation twins was gradually increased, the twinning width and the twin spacing were continuously smaller, and the twin width was reduced from 0.03-0.043 μm to <0.02 μm when the deformation was at 15% and 25%, while the size of dislocation cells tended to become larger first and then smaller. In addition, the morphology of deformed twins kept straight all the time under cold rolling conditions, and twin boundary bending occurred during cold drawing. Under the same amount of deformation, more deformation twins would be produced in cold drawing than in cold rolling.
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