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Effect of Holding Time of Decarbonization Annealing on Recrystallization in Fe-3.2%Si-0.047Nb% Low-Temperature Oriented Silicon Steel
| Content Provider | MDPI |
|---|---|
| Author | Tian, Xin Kuang, Shuang Li, Jie Liu, Shuai Feng, Yunli |
| Copyright Year | 2021 |
| Description | In this study, the effects of decarburization annealing time on the primary recrystallization microstructure, the texture and the magnetic properties of the final product of 0.047% Nb low-temperature grain-oriented silicon steel were investigated by means of OM, EBSD and XRD. The results show that when the decarburization annealing condition is 850 °C for 5 min, the uniform fine primary recrystallization microstructure can be obtained, and the content of favorable texture {111} is the highest while that of unfavorable texture {110} is the lowest, which is mostly distributed near the central layer. At the same time, there are the most high-energy grain boundaries with high mobility in the primary recrystallization microstructure of the sample annealed at 850 °C for 5 min, and the ∑9 boundary has the highest percentage of grain boundaries. The samples with different decarburization annealing time were annealed at high temperature. It was found that perfect secondary recrystallization occurred after high-temperature annealing when the decarburization annealing condition was 850 °C for 5 min. The texture component was characterized by a single Goss texture, and the size of the Goss grain reached 4.6 mm. Under such annealing conditions, the sample obtained shows the optimal soft magnetic properties of $B_{800}$ = 1.89 T and $P_{1.7/50}$ = 1.33 w/kg. |
| Starting Page | 1209 |
| e-ISSN | 20734352 |
| DOI | 10.3390/cryst11101209 |
| Journal | Crystals |
| Issue Number | 10 |
| Volume Number | 11 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-10-07 |
| Access Restriction | Open |
| Subject Keyword | Crystals Manufacturing Engineering Characterization and Testing of Materials Fe-3.2%si-0.047%nb Oriented Silicon Steel Decarbonization Annealing Recrystallization Microstructure Texture Magnetic Properties |
| Content Type | Text |
| Resource Type | Article |
