Study of Island Grains in Electrical Steel Rolling
Author Information
Author(s): Wang Huanzhu, Yang Ping, Xie Qingge, Gu Xinfu, Churyumov Alexander Yu
Primary Institution: University of Science and Technology Beijing
Hypothesis
The orientation evolution and deformation behavior of island grains during the rolling of ultra-thin strips of grain-oriented electrical steel differ from conventional thickness steels.
Conclusion
The study found that different orientations of island grains exhibit varying degrees of deformation heterogeneity during rolling, which can affect the magnetic properties of the steel.
Supporting Evidence
- The presence of island grains reduces the magnetic properties of finished steel sheets.
- Different island grain orientations lead to distinct deformation behaviors during rolling.
- Simulation results align with experimental data on orientation changes in island grains.
Takeaway
This study looks at how tiny grains in steel change shape when rolled, which can make the steel work better for magnets.
Methodology
The study used full-field crystal plasticity finite element simulation to model the deformation of island grains during plane strain compression.
Limitations
The study does not account for friction between the rolls and the surfaces of the sheet during rolling.
Digital Object Identifier (DOI)
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