孔祥兵,任慧平,金自力,李涛,吴忠旺

• 1:内蒙古科技大学材料与冶金学院
• 2:内蒙古自治区白云鄂博矿多金属资源综合利用重点实验室
• 3:内蒙古自治区新金属材料重点实验室

摘要(Abstract)：

研究了退火温度对Nb-Ti微合金化高强无取向电工钢析出物、力学性能和磁性能的影响。结果表明:随着退火温度的升高,含Nb,Ti高强无取向电工钢中的(Nb,Ti)C析出物发生回溶和粗化,(Nb, Ti)C颗粒尺寸增大和分布密度降低,其抗拉强度与屈服强度先增大后减小,磁感B_(50)先增大后减小,铁损P_(1.5/50)和P_(1.0/400)逐渐降小;此外,还添加了微量稀土(Ce),用于控制的析出物形态,改善磁性能;经860℃×5 min退火后试验钢的强度和磁性能匹配最佳。

关键词(KeyWords)： 无取向硅钢;析出物;高强度;磁性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51761033);; 内蒙古自然科学基金(2019MS05054)

作者(Author): 孔祥兵,任慧平,金自力,李涛,吴忠旺

DOI: 10.13289/j.issn.1009-6264.2020-0092

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