Inhibitors for Grain Oriented Silicon Steel

Kuroki, Katsuro; Sato, Takashi; Wada, Tohru

doi:10.2320/jinstmet1952.43.3_175

Cited by 7 publications

(10 citation statements)

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“…This range of grain diameters is located between Method II and Method II. 18,22,27,28) Furthermore, the slope against the temperature is somewhat smaller than Method II. 28) This might be caused by the fine precipitation effect of partially solved inhibitors at the slab reheating stage.…”

Section: Precipitation and Primary Grain Sizementioning

confidence: 99%

“…This range of temperature is normal and is often applied to decarburization annealing of GO. 17,18,21,22,[25][26][27][28] Nitrogen was injected from zero up to around 0.03 mass% by changing the flow rate in the ammonia containing atmosphere and the annealing separator, mainly consisting of MgO, was coated on the specimen surfaces. The secondary recrystallization annealing was performed under a 25 % N 2 and 75 % H 2 atmosphere with a heating rate of 15°C/h up to 1 200°C and maintained for 20 h at 1 200°C under a 100 % H 2 atmosphere for purification.…”

Section: Methodsmentioning

confidence: 99%

“…As, in the case of Method I, where the inhibitor is finely dispersed, the primary grain diameter is somewhat small, 10 mm, and it is almost independent of the decarburization annealing temperature. 27) On the other hand, in the case of Method II, the optimum primary grain diameter is around 23 mm, and it depends on the decarburization annealing temperature. 22,27) Furthermore, in the case of S. Cicale, 20 mm gave the highest B8 at 1 300°C reheating.…”

Section: Magnetic Property and Goss Orientation 321 Magnetic Propertymentioning

confidence: 99%

“…25) On the other hand, Kuroki et al already reported that, in the case of Method I, the diameter does not change by the primary annealing temperature. 27) Furthermore, they reported that the increase of the N content deteriorates the B8 value, i.e., no nitriding is suitable. 23) In the case of Method III, suitable total nitrogen content (0.015 %) is located between Method I (0.008 %) and Method II (0.020 % to 0.029 %), meaning the suitable inhibitor intensity in this study is located between both methods.…”

Section: Precipitation and Primary Grain Sizementioning

confidence: 99%

“…This feature is the state between Method I and Method II. 17,25,27) Figure 3 shows the relation between the primary annealing temperature and the primary grain diameter. This range of grain diameters is located between Method II and Method II.…”

Section: Precipitation and Primary Grain Sizementioning

confidence: 99%

See 4 more Smart Citations

Effect of Nitriding on Grain Oriented Silicon Steel Bearing Aluminum

2005

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All high permeability GO is manufactured using AlN as the main inhibitor. Two types of inhibitor preparation of GO have been realized industrially, i.e., extra high and extra low slab reheating temperature methods. Therefore, from a purely metallurgical viewpoint, the possibility of a middle temperature slab reheating method was examined and the effect of nitriding was investigated.Metallurgically, this method is located between the Extra high and Extra low temperature methods. Furthermore, it is essential that a suitable combination of inhibitor intensity and primary diameter, controlled by nitriding and heat treatments respectively can provide sharp Goss orientation.

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Section: Precipitation and Primary Grain Sizementioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Magnetic Property and Goss Orientation 321 Magnetic Propertymentioning

confidence: 99%

Section: Precipitation and Primary Grain Sizementioning

confidence: 99%

Section: Precipitation and Primary Grain Sizementioning

confidence: 99%

See 3 more Smart Citations

Effect of Nitriding on Grain Oriented Silicon Steel Bearing Aluminum

2005

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Effect of nitriding on grain oriented silicon steel bearing aluminum (the second study)

Kumano

Ohata

Fujii

et al. 2006

Journal of Magnetism and Magnetic Materials

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Microstructure and texture evolution of medium temperature grain-oriented silicon steel produced by industrialization

Fan

Jia

Zhu

et al. 2019

Metall. Res. Technol.

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The grain-oriented silicon steel was produced by medium temperature reheating and two-stage cold rolling process, and the microstructure and texture of all metallurgical processes were studied. The results shown that the microstructure of the hot rolled strip was inhomogeneous in thickness direction, the surface layer was the recrystallized microstructures with average grain size of 42.29 µm, the center layer was fiber structure, and the Goss texture appeared at surface. The primary recrystallized microstructure with average grain size of 16 µm was obtained after decarburization annealing, which characterized by a strong γ-fiber texture and a weak Goss texture. The average size of inhibitors in hot rolled strip and decarburization annealed sheet were 9.078 and 21.691 nm respectively, they were mainly compound of nitride and sulfide with spherical or lump shapes. The coarse Goss grains with average size 17.57 mm were got after secondary recrystallization, and the magnetic induction B8 and iron loss P1.7/50 were 1.885 T and 1.10 W/Kg, respectively.

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Inhibitors for Grain Oriented Silicon Steel

Cited by 7 publications

References 0 publications

Effect of Nitriding on Grain Oriented Silicon Steel Bearing Aluminum

Effect of Nitriding on Grain Oriented Silicon Steel Bearing Aluminum

Effect of nitriding on grain oriented silicon steel bearing aluminum (the second study)

Microstructure and texture evolution of medium temperature grain-oriented silicon steel produced by industrialization

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