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Precipitating characteristics of inhibitors in grain-oriented electrical steel produced by low slab reheating temperature techniques during secondary recrystallization annealing
Author(s): 
Pages: 42-48
Year: Issue:  1
Journal: Heat Treatment of Metals

Keyword:  取向硅钢 抑制剂 AlN MnSiN2 析出相;
Abstract: 利用透射电镜研究了采用"固有抑制剂法"低温板坯加热试制普通取向硅钢冷轧板,高温二次再结晶退火过程中抑制剂的析出行为,分析了各种抑制剂对初次再结晶的抑制作用。结果表明:除常规AlN和AlN+Cu2S析出物之外,还有少量短棒状MnSiN2析出相(正交结构);AlN相具有强烈的抑制效果,起到了主抑制剂作用;少量的MnSiN2相具有辅助抑制作用,同时在高温二次再结晶退火条件下,部分MnSiN2分解并与基体中的Al作用生成AlN,加强了AlN的抑制作用。
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