针对薄板坯连铸连轧流程结合“获得抑制剂法”所制备的低温高磁感取向硅钢,通过热力学计算研究了AlN与MnS在连铸与均热过程中的析出规律与行为.计算结果表明,连铸过程中AlN在凝固后的高温β相中便可能析出,而MnS仅可能在凝固后的β+γ两相区内析出.钢中AlN与MnS在均热过程中均处于部分固溶与部分析出的状态.后续高温渗氮处理后初次晶粒的异常长大并不明显,表明渗氮处理前钢中固有抑制剂的数量相对充足.
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