采用“后天抑制剂法”制备取向硅钢,通过TEM研究热轧、常化、脱C和渗N阶段析出物的类型和分布.结果表明,热轧、常化和脱C板中的析出物主要是AIN颗粒,AlN颗粒在热轧、常化和脱C板中分布密度低；渗N后钢中形成非晶态Si3N4颗粒,非晶态Si3N4颗粒有多边形大块状和规则小四方形2种形貌,多边形大块状Si3N4颗粒分布在晶界,规则小四方形Si3N4颗粒主要分布在晶内.
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