韩志磊,胡树兵,熊雪松,程秀,鲍邦谨,毛炯辉

• 1:华中科技大学材料成形与模具技术国家重点实验室
• 2:武汉钢铁(集团)公司研究院

摘要(Abstract)：

通过观察冲剪边缘组织,测量冲剪边缘的显微硬度、残余应力的分布情况和磁性能的变化研究了冲剪加工对无取向硅钢50WW800边缘组织和磁性能的影响。对冲剪后硅钢片进行750℃退火,分析退火对组织和磁性能的影响。结果表明,硅钢片剪切边缘会存在0.4 mm的形变硬化层,边缘应力大,铁损增加。退火后变形减小,形变硬化层变小,残余应力大幅度减少,铁损减少。

关键词(KeyWords)： 冲剪加工;无取向硅钢;残余应力;组织;铁损

Abstract:

Keywords:

基金项目(Foundation): 华中科技大学-WISCO联合实验室项目

作者(Author): 韩志磊,胡树兵,熊雪松,程秀,鲍邦谨,毛炯辉

DOI: 10.13289/j.issn.1009-6264.2014.s1.028

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