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采用 X 射线极密度及三维取向分布函数(ODF)方法,从织构的角度研究了在 Hi-B 取向硅钢中加入微量钼能够降低铸坯加热温度的机制。结果表明,含钼钢1310℃低温与不含钼钢1380℃高温铸坯加热时热轧及脱碳板表层均表现出相似的热轧及初次再结晶织构特征,而与含钼钢1380℃高温铸坯加热时明显不同。Hi-B 取向硅钢加钼能够降低铸坯加热温度的原因是当含钼钢在1310℃低温铸坯加热时,其脱碳板表层仍能保证足够强的(111)组分。
Using X-ray polar density and three-dimensional orientation distribution function (ODF) method, the mechanism of reducing the heating temperature of slab by adding a trace amount of molybdenum to the Hi-B oriented silicon steel was studied from the view of texture. The results show that both hot rolling and decarburizing sheet surface have similar hot rolling and primary recrystallization textures when heated at 1310 ℃ and 1380 ℃, High temperature slab heating significantly different. The reason why Hi-B oriented silicon steel plus molybdenum can reduce the slab heating temperature is that when the molybdenum steel is heated at a low temperature of 1310 ℃, the surface of the decarburized steel can still ensure a strong enough component (111).