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发明名称
方向性电磁钢片之渗氮退火程序
摘要
本发明是有关于一种方向性电磁钢片之渗氮退火程序,包含下列步骤:(a)检测一钢胚中之Al、Ti的含量;(b)将该钢胚中之Al、Ti的含量代入一由下式(I)所示之关系式,以得到一总氮量目标值:;(WAl/1.93)/[WN-(WTi/3.42)]=0.45~1.70 (I);于式(I)中,WAl表示该钢胚中之Al的含量,WTi表示该钢胚中之Ti的含量,及WN表示总氮量目标值;以及(c)依该步骤(b)所得之总氮量目标值进行一渗氮退火,以制得一方向性电磁钢片之半成品。
申请公布号
TWI397590
申请公布日期
2013.06.01
申请号
TW098143635
申请日期
2009.12.18
申请人
中国钢铁股份有限公司 高雄市小港区中钢路1号
发明人
蔡明钦;黄议兴
分类号
C21D1/26;C21D1/76
主分类号
C21D1/26
代理机构
代理人
高玉骏 台北市松山区南京东路3段248号7楼;杨祺雄 台北市松山区南京东路3段248号7楼
主权项
地址
高雄市小港区中钢路1号
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