特殊钢 ›› 2016, Vol. 37 ›› Issue (4): 58-60.
黄明柱, 赵刚, 曹靖威, 胡致铃, 陈佳丽, 李海龙, 肖 欢
Huang Mingzhu, Zhao Gang, Cao Jingwei, Hu Zhiquan, Chen Jiali, Li Hailong, Xiao Huan
摘要: 在实验室用模拟CSP工艺试制Hi-B高磁感取向硅钢薄板(/%:0.07C,3.02Si,0.13Mn,0.020P,0.006S,0.21Cu,0.025Cr,0.016A1,0.004Sn),该钢经25kg真空感应炉熔炼,铸成41 mm×120 mm板坯-热轧成2mm板-1 120℃常化-冷轧成0.27mm薄板。研究了830~870℃,3~7min退火对再结晶组织和织构的影响。结果表明,0.27mm含Cu Hi-B高磁感取向硅钢板的合适退火工艺为830℃ 5 min,其平均晶粒尺寸为15.6μm,不利织构{111}〈110〉和{001}〈110〉含量较低,有利织构{111}〈112〉分布合理,有利于在二次再结晶退火过程形成良好的高斯组织。