Method of producing silicon iron sheet having excellent soft magnetic
properties
    1.
    发明授权
    Method of producing silicon iron sheet having excellent soft magnetic properties 失效
    具有优异软磁特性的硅铁片的制造方法

    公开(公告)号:US4773948A

    公开(公告)日:1988-09-27

    申请号:US22642

    申请日:1987-01-30

    CPC分类号: C21D8/1222

    摘要: Fe alloy containing Si: 4.0 to 7.0 wt %, Mn: not more than 0.5 wt %, P: not more than 0.1 wt %, S: not more than 0.02 wt %, Al: not more than 2 wt % is molten, and made an ingot or continuously cast into a piece. The piece is subjected to slabbing-roughing, otherwise roughing at temperature of more than 1000.degree. C. and at total reduction of more than 50%, and further a hot finish rolling. The hot finish rolling is performed at temperature of not more than 1100.degree. C. and under a total reduction which is specified by a relation between average grain diameter before the hot finish rolling and Si content, and coiled at temperature of not more than 750.degree. C. after the rolling. The hot rolled plate is performed with cold rolling or warm rolling after the descaling and hot rolled strip annealing. If required, an intermediate annealing is performed in the course of the cold (or warm) rolling.

    摘要翻译: PCT No.PCT / JP86 / 00300 Sec。 371日期1987年1月30日 102(e)1987年1月30日PCT PCT 1986年6月13日PCT公布。 公开号WO86 / 07390 1986年12月18日,含有Si的Fe合金:4.0〜7.0重量%,Mn:0.5重量%以下,P:0.1重量%以下S:0.02重量%以下Al:不大于 2重量%熔融,制成锭或连铸成片。 将该片材进行板坯粗加工,否则在高于1000℃的温度下进行粗加工并总共减少50%以上,进一步进行热精轧。 热精轧在不超过11​​00℃的温度下进行,并且在由热精轧前的平均粒径与Si含量之间的关系规定的总还原量下进行,并且在不高于750℃的温度下盘卷 C.滚动后。 热轧板在除锈和热轧带钢退火后进行冷轧或暖轧。 如果需要,在冷(或热)轧制过程中进行中间退火。

    Method of producting thin sheet of high Si-Fe alloy
    3.
    发明授权
    Method of producting thin sheet of high Si-Fe alloy 失效
    生产高Si-Fe合金薄板的方法

    公开(公告)号:US4715905A

    公开(公告)日:1987-12-29

    申请号:US833394

    申请日:1986-02-10

    IPC分类号: C21D8/12 H01F1/16 H01F1/04

    摘要: Fe alloy containing Si more than 4.0 wt % is produced by a thin plate casting process. The producing condition depends upon rapid solidification of Fe alloy from a molten condition at cooling rate of more than 1.degree. C./sen to less than 10.sup.5 .degree. C./sec.The obtained thin cast plates are subjected to a hot rolling of more than 30% at the temperature range of 600.degree. to 800.degree. C., and to the cold rolling to a determined thickness, followed pickling. By the above mentioned conditions, operations of the industrial scale may be practiced without cracks on the surface in the cold rolling excellent magnetic characteristics may be provided by passing the annealing after the cold rolling.

    摘要翻译: PCT No.PCT / JP85 / 00534 Sec。 371日期1986年2月10日 102(e)日期1986年2月10日PCT提交1985年9月26日PCT公布。 公开号WO86 / 02102 日期为1986年4月10日。通过薄板铸造工艺制备含有大于4.0重量%的Si的Fe合金。 制造条件取决于Fe合金从熔融条件下以大于1℃/ sec的冷却速度快速凝固至小于105℃/秒。 将得到的薄板坯在600〜800℃的温度范围内进行30%以上的热轧,并进行冷轧至确定的厚度,然后进行酸洗。 通过上述条件,可以在冷轧时在表面上没有裂纹地进行工业规模的操作,可以通过在冷轧后进行退火来提供优异的磁特性。

    Method of manufacturing silicon steel sheet having grains precisely
arranged in Goss orientation
    5.
    发明授权
    Method of manufacturing silicon steel sheet having grains precisely arranged in Goss orientation 失效
    制造具有以高斯取向精确排列的晶粒的硅钢板的方法

    公开(公告)号:US5354389A

    公开(公告)日:1994-10-11

    申请号:US920127

    申请日:1992-07-24

    摘要: The present invention provides a method of manufacturing a silicon steel sheet having grains precisely arranged in the Goss orientation, comprising the steps of preparing a steel material containing 0.01 wt. % or less of C, 2.5 to 7.0 wt. % of Si, 0.01 wt. % or less of S, 0.01 wt. % or less of Al, 0.01 wt. % or less of N, subjecting the steel material to hot rolling maintained 1000.degree. C. or higher such that the temperature of the rolled material at an end of the hot rolling step falls within the range of 700 to 950.degree. C., subjecting the steel material to a primary cold rolling process at a rolling reduction of 30 to 85%, annealing the steel material at a temperature of 600.degree. to 900.degree. C., subjecting the steel material to a secondary cold rolling process at a rolling reduction of 40 to 80%, annealing the steel material again at a temperature of 600.degree.to 900.degree. C., subjecting the steel material to a tertiary cold rolling process at a rolling reduction of 50 to 75%, and annealing the steel material in a reducing atmosphere, or in a non-oxidizing atmosphere having an oxygen partial pressure of 0.5 Pa or less, or in a vacuum having an oxygen partial pressure of 0.5 Pa or less, at a temperature in the range of 1000.degree. to 1300.degree. C.

    摘要翻译: 本发明提供一种制造具有以高斯取向精确排列的晶粒的硅钢板的方法,包括以下步骤:制备含有0.01wt。 %以下的C,2.5〜7.0重量% %的Si,0.01wt。 %以下的S,0.01重量% %以下的Al,0.01重量% %以下的N,对钢材进行热轧保持1000℃以上,使得在热轧工序结束时的轧制材料的温度为700〜950℃的范围, 钢材以一次冷轧方式轧制压下率为30〜85%,退火钢材在600〜900℃的温度下进行二次冷轧,轧制压下率为40 至80%,在600〜900℃的温度下再次退火钢材,对钢材进行三次冷轧,压下率为50〜75%,并在还原气氛下退火钢材 ,或在氧分压为0.5Pa以下的非氧化性气氛中,或在氧分压为0.5Pa以下的真空中,在1000〜1300℃的温度下进行。

    Method of manufacturing silicon steel sheet having grains precisely
arranged in goss orientation
    6.
    发明授权
    Method of manufacturing silicon steel sheet having grains precisely arranged in goss orientation 失效
    制造具有精确布置在高斯方向上的晶粒的硅钢板的方法

    公开(公告)号:US5489342A

    公开(公告)日:1996-02-06

    申请号:US259389

    申请日:1994-06-14

    摘要: The present invention provides a method of manufacturing a silicon steel sheet having grains precisely arranged in the Goss orientation, comprising the steps of preparing a steel material containing 0.01 wt % or less of C, 2.5 to 7.0 wt % of Si, 0.01 wt % or less of S, 0.01 wt % or less of Al, 0.01 wt % or less of N, subjecting the steel material to hot rolling maintained 1000.degree. C. or higher such that the temperature of the rolled material at an end of the hot rolling step falls within the range of 700.degree. to 950.degree. C., subjecting the steel material to a primary cold rolling process at a rolling reduction of 30 to 85%, annealing the steel material at a temperature of 600.degree. to 900.degree. C., subjecting the steel material to a secondary cold rolling process at a rolling reduction of 40 to 80%, annealing the steel material again at a temperature of 600.degree. to 900.degree. C., subjecting the steel material to a tertiary cold rolling process at a rolling reduction of 50 to 75%, and annealing the steel material in a reducing atmosphere, or in a non-oxidizing atmosphere having an oxygen partial pressure of 0.5 Pa or less, or in a vacuum having an oxygen partial pressure of 0.5 Pa or less, at a temperature in the range of 1000.degree. to 1300.degree. C.

    摘要翻译: 本发明提供一种制造具有精确排列在高斯取向上的晶粒的硅钢板的方法,包括以下步骤:制备含有0.01重量%以下的C,2.5〜7.0重量%的Si,0.01重量% 少量的S,0.01重量%以下的Al,0.01重量%以下的N,对钢材进行热轧保持1000℃以上,使得轧制材料在热轧工序结束时的温度 在700〜950℃的范围内,对钢材进行一次冷轧,轧制压下率为30〜85%,在600〜900℃的温度下退火钢材, 将钢材进行二次冷轧,轧制压下率为40〜80%,在600〜900℃的温度下再次退火钢材,对钢材进行三次冷轧轧制 50〜75%,退火t 在退火气氛中,或在氧分压为0.5Pa以下的非氧化性气氛中,或在氧分压为0.5Pa以下的真空中,在1000℃以上的温度下, 至1300℃