【摘要】 研究了罩式炉常化工艺对50W350硅钢热轧板组织、夹杂物和性能的影响。研究结果显示,罩式炉常化工艺在温度一定的情况下,随着保温时间延长,硅钢晶粒逐步再结晶并长大,同时析出物也在聚集长大。通过制定合理的罩式炉常化工艺,可以实现硅钢晶粒的再结晶和长大,从而达到连续退火炉常化工艺产品技术要求。
【Abstract】 The influence of normalization process with a bell furnace on the structure,inclusions and properties of 50W350electrical steel hot-rolled sheet was studied.The research results showed that:when the steel was normalized at a certain temperature in the bell furnace,the silicon steel grains gradually recrystallized and grew up with the extension of the annealing holding time,and at the same time,the precipitates also gathered and grew up.The recrystallization and growth of the silicon steel grains…
【关键词】 硅钢;
罩式炉常化工艺;
晶粒尺寸;
热轧;
【Key words】 electrical steel;
normalization process in a bell furnace;
grain size;
hot rolling;
罩式炉常化工艺;
晶粒尺寸;
热轧;
【Key words】 electrical steel;
normalization process in a bell furnace;
grain size;
hot rolling;
原文发表于《电工钢》2022年第02期
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