Electron Backscatter Diffraction Analysis of Low-Misorientation-Angle Boundary and High-Energy Boundary in the Hot-Rolled Plate of Grain-Orientated Silicon Steel
In order to study the texture evolution and the formation of an inhomogeneous microstructure in hot-rolled plate of grain-orientated silicon steel, Fe<sub>3</sub>C (hexagonal) and ferrite phases in the subsurface layer were studied using electron backscatter diffraction. The results indi...
Saved in:
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2024-10-01
|
| Series: | Metals |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2075-4701/14/10/1170 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850204598187327488 |
|---|---|
| author | Xiang Zou Qingyou Liu Shengtao Qiu |
| author_facet | Xiang Zou Qingyou Liu Shengtao Qiu |
| author_sort | Xiang Zou |
| collection | DOAJ |
| description | In order to study the texture evolution and the formation of an inhomogeneous microstructure in hot-rolled plate of grain-orientated silicon steel, Fe<sub>3</sub>C (hexagonal) and ferrite phases in the subsurface layer were studied using electron backscatter diffraction. The results indicate that fiber texture (ferrite) mainly composed of {441}<104> and (110)[001] Goss oriented grains was formed at a depth of 25% of the thickness of hot-rolled plate. Matrix grains in the subsurface layer were arbitrary separated into irregular large grains (≥40 μm) and fine grains (<40 μm), and the grain boundary characteristics and texture evolution of matrix grains were studied. The results indicated that the formation of the colonies of fine grains was the result of dynamic recrystallization, and high-frequency low-misorientation-angle boundaries (0~20°) were formed between large grains (≥40 μm) and fine grains (<40 μm), which can be considered as the irregularity of large grains caused by solid-state wetting. Due to the texture evolution of large grains (≥40 μm), a large number of high-energy boundaries (20~45°) were formed between irregular large grains (≥40 μm), resulting in rapid consumption between adjacent large grains and the elongation of large grains along the rolling direction. Therefore, it can be assumed that the migration of low-misorientation-angle boundaries (0~20°) under solid-state wetting and high-energy boundaries (20~45°) are important mechanisms for non-uniform grain growth in hot-rolled plate of grain-orientated silicon steel. |
| format | Article |
| id | doaj-art-6deef9018fbf4444bfcfe5d18b32f76f |
| institution | OA Journals |
| issn | 2075-4701 |
| language | English |
| publishDate | 2024-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Metals |
| spelling | doaj-art-6deef9018fbf4444bfcfe5d18b32f76f2025-08-20T02:11:15ZengMDPI AGMetals2075-47012024-10-011410117010.3390/met14101170Electron Backscatter Diffraction Analysis of Low-Misorientation-Angle Boundary and High-Energy Boundary in the Hot-Rolled Plate of Grain-Orientated Silicon SteelXiang Zou0Qingyou Liu1Shengtao Qiu2Central Iron and Steel Research Institute, Beijing 100081, ChinaCentral Iron and Steel Research Institute, Beijing 100081, ChinaCentral Iron and Steel Research Institute, Beijing 100081, ChinaIn order to study the texture evolution and the formation of an inhomogeneous microstructure in hot-rolled plate of grain-orientated silicon steel, Fe<sub>3</sub>C (hexagonal) and ferrite phases in the subsurface layer were studied using electron backscatter diffraction. The results indicate that fiber texture (ferrite) mainly composed of {441}<104> and (110)[001] Goss oriented grains was formed at a depth of 25% of the thickness of hot-rolled plate. Matrix grains in the subsurface layer were arbitrary separated into irregular large grains (≥40 μm) and fine grains (<40 μm), and the grain boundary characteristics and texture evolution of matrix grains were studied. The results indicated that the formation of the colonies of fine grains was the result of dynamic recrystallization, and high-frequency low-misorientation-angle boundaries (0~20°) were formed between large grains (≥40 μm) and fine grains (<40 μm), which can be considered as the irregularity of large grains caused by solid-state wetting. Due to the texture evolution of large grains (≥40 μm), a large number of high-energy boundaries (20~45°) were formed between irregular large grains (≥40 μm), resulting in rapid consumption between adjacent large grains and the elongation of large grains along the rolling direction. Therefore, it can be assumed that the migration of low-misorientation-angle boundaries (0~20°) under solid-state wetting and high-energy boundaries (20~45°) are important mechanisms for non-uniform grain growth in hot-rolled plate of grain-orientated silicon steel.https://www.mdpi.com/2075-4701/14/10/1170grain boundary characteristicslow-misorientation-angle boundaryhigh-energy boundarysolid-state wettinghot-rolled plategrain-orientated silicon steel |
| spellingShingle | Xiang Zou Qingyou Liu Shengtao Qiu Electron Backscatter Diffraction Analysis of Low-Misorientation-Angle Boundary and High-Energy Boundary in the Hot-Rolled Plate of Grain-Orientated Silicon Steel Metals grain boundary characteristics low-misorientation-angle boundary high-energy boundary solid-state wetting hot-rolled plate grain-orientated silicon steel |
| title | Electron Backscatter Diffraction Analysis of Low-Misorientation-Angle Boundary and High-Energy Boundary in the Hot-Rolled Plate of Grain-Orientated Silicon Steel |
| title_full | Electron Backscatter Diffraction Analysis of Low-Misorientation-Angle Boundary and High-Energy Boundary in the Hot-Rolled Plate of Grain-Orientated Silicon Steel |
| title_fullStr | Electron Backscatter Diffraction Analysis of Low-Misorientation-Angle Boundary and High-Energy Boundary in the Hot-Rolled Plate of Grain-Orientated Silicon Steel |
| title_full_unstemmed | Electron Backscatter Diffraction Analysis of Low-Misorientation-Angle Boundary and High-Energy Boundary in the Hot-Rolled Plate of Grain-Orientated Silicon Steel |
| title_short | Electron Backscatter Diffraction Analysis of Low-Misorientation-Angle Boundary and High-Energy Boundary in the Hot-Rolled Plate of Grain-Orientated Silicon Steel |
| title_sort | electron backscatter diffraction analysis of low misorientation angle boundary and high energy boundary in the hot rolled plate of grain orientated silicon steel |
| topic | grain boundary characteristics low-misorientation-angle boundary high-energy boundary solid-state wetting hot-rolled plate grain-orientated silicon steel |
| url | https://www.mdpi.com/2075-4701/14/10/1170 |
| work_keys_str_mv | AT xiangzou electronbackscatterdiffractionanalysisoflowmisorientationangleboundaryandhighenergyboundaryinthehotrolledplateofgrainorientatedsiliconsteel AT qingyouliu electronbackscatterdiffractionanalysisoflowmisorientationangleboundaryandhighenergyboundaryinthehotrolledplateofgrainorientatedsiliconsteel AT shengtaoqiu electronbackscatterdiffractionanalysisoflowmisorientationangleboundaryandhighenergyboundaryinthehotrolledplateofgrainorientatedsiliconsteel |