唐超平,吴隽,詹东方,郭才胜,贾涓,祝柏林,刘静

• 1:武汉科技大学省部共建耐火材料与冶金国家重点实验室
• 2:武汉钢铁集团公司国家硅钢工程技术研究中心

摘要(Abstract)：

采用场发射扫描电镜(FESEM)结合电子背散射衍射技术(EBSD)对一次再结晶取向硅钢中的Goss晶粒、黄铜晶粒及其周边相邻晶粒在晶界附近1μm范围内尺寸大于40 nm的Mn S第二相粒子的局部密度与相应晶界的关系进行了统计分析。结果表明:900℃再结晶退火后,Goss晶粒周边出现频次较高的晶粒取向分别为{112}<111>、{111}<110>、{411}<148>和{111}<112>,其中有利于Goss晶粒异常长大的{111}<110>、{111}<112>和{411}<148>取向出现频次之和占总量的57.7%;黄铜取向晶粒周边出现频次较高的则为{111}<110>、{112}<111>、{111}<112>和{411}<148>,其中{111}<110>、{111}<112>和{411}<148>出现频次占总量的68.7%;Mn S第二相粒子的局部密度差随晶界组合不同而变化,其中Goss-{111}<110>组合的最大。

关键词(KeyWords)： 取向硅钢;第二相粒子;Goss晶粒;黄铜晶粒;局部密度

Abstract:

Keywords:

基金项目(Foundation): 湖北省自然科学基金(2012FFB04901);; 湖北省教育厅科学技术研究项目(Z20081101)

作者(Author): 唐超平,吴隽,詹东方,郭才胜,贾涓,祝柏林,刘静

DOI: 10.13289/j.issn.1009-6264.2018-0039

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