利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

18 条记录 (耗时 0.013 秒)

    MANUFACTURE METHOD OF HIGH EFFICIENCY NON-ORIENTED SILICON STEEL HAVING GOOD MAGNETIC PERFORMANCE
    5.
    发明公开
    MANUFACTURE METHOD OF HIGH EFFICIENCY NON-ORIENTED SILICON STEEL HAVING GOOD MAGNETIC PERFORMANCE 有权
    方法对于具有高磁能高产高效没有对齐硅钢

    公开(公告)号：EP2532758A1

    公开(公告)日：2012-12-12

    申请号：EP11835498.4

    申请日：2011-04-27

    申请人： Baoshan Iron & Steel Co., Ltd.

    发明人： MA, Aihua ,  WANG, Bo ,  XIE, Shishu ,  HU, Zhanyuan ,  ZOU, Liang ,  WANG, Zitao ,  ZHU, Yuhua ,  HUANG, Jie ,  JIN, Bingzhong ,  LIU, Xiandong

    IPC分类号： C21D8/12 ,  C22C38/60

    CPC分类号： C21D8/005 ,  C21D8/1261 ,  C21D8/1272 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/14 ,  C22C38/60 ,  H01F1/16

    摘要： A manufacture method of high-efficiency non-oriented silicon steel with excellent magnetic property, which comprises the following steps: 1) smelting and casting; chemical compositions of non-oriented silicon steel, by weight percent, are: C≤ 0.0040%, Si:0.1∼0.8%, Al:0.002∼1.0%, Mn:0.10∼1.50%, P:≤0.2%, Sb:0.04∼0.08%, S≤0.0030%, N≤0.0020%, Ti ≤ 0.0020%, and the rest is Fe and unavoidable inclusions; molten steel in accordance with the above compositions is smelted and then casted into billets; 2) hot-rolling and pickling; heating temperature for slab is 1100 °C~1150 °C and finish-rolling temperature is 860 °C ∼920 °C; after rolling, the hot-rolled product is air cooled, during which air cooling time t: (2+30xSb%)s ≤t≤7s; thereafter reeling at a temperature ≥720°C ; 3) cold-rolling; rolling to form cold-rolled plate with target thickness at a reduction ratio of 70∼78%; 4) annealing; heating up the cold-rolled plate to 800∼1000 °C at heating rate of ≥ 15 °C/s, and holding time is 10~25s. Under the precondition to ensure magnetic properties, this invention implements low cost manufacture of high efficiency electric steel by adding elements advantageous to favorable texture during steel making, controlling contents of adverse elements and coordinating air cooling time control during hot-rolling with high temperature reeling.

    摘要翻译： 高效率的无取向硅钢的具有优异的磁特性，其包括以下步骤的制造方法：1）熔炼和铸造; 无取向硅钢，按重量百分比计的化学组成，是：C‰¤0.0040％以下，Si：0.1¼0.8％以下，Al：0.002¼1.0％以下，Mn：0.10¼1.50％，P：‰¤0.2 ％，锑：0.04¼0.08％，S‰¤0.0030％，N‰¤0.0020％以下，Ti‰¤0.0020％，其余是Fe和不可避免的夹杂物; 与上述组合物雅舞蹈钢水熔炼，然后浇铸成坯料; 2）热轧和酸洗; 加热温度为板坯1100℃〜1150℃，终轧温度为860℃¼920℃; 轧制后，热轧产品空气冷却，其中空气冷却时间t期间：（2 + 30xSb％）S‰‰¤t¤7s; 此后在‰¥720℃的温度下卷取; 3）冷轧; 轧，以形成冷轧板与的70¼78％的压缩比目标厚度; 4）退火; 在‰¥15℃/ s的升温速度升温的冷轧板以800¼1000℃，保持时间为10〜25秒。 在先决条件下，以确保磁特性，本发明实现了低成本的制造高效率电动钢的由炼钢过程中加入有利的有利纹理元素，控制不良的元素的含量，并在热轧高温卷取协调空气冷却时间控制。

    METHOD FOR MANUFACTURING NON-ORIENTED SILICON STEEL WITH HIGH-MAGNETIC INDUCTION
    6.
    发明公开
    METHOD FOR MANUFACTURING NON-ORIENTED SILICON STEEL WITH HIGH-MAGNETIC INDUCTION 审中-公开
    用于生产不结盟硅钢高磁感

    公开(公告)号：EP2508629A1

    公开(公告)日：2012-10-10

    申请号：EP11835489.3

    申请日：2011-04-14

    申请人： Baoshan Iron & Steel Co., Ltd.

    发明人： WANG, Zitao ,  WANG, Bo ,  XIE, Shishu ,  JIN, Bingzhong ,  MA, Aihua ,  ZOU, Liang ,  ZHU, Yuhua ,  HU, Zhanyuan ,  CHEN, Xiao

    IPC分类号： C21D8/12 ,  C22C38/02 ,  C22C38/06

    CPC分类号： C22C38/00 ,  C21D1/00 ,  C21D6/008 ,  C21D8/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/14 ,  H01F1/16

    摘要： Abstract: A manufacture process of non-oriented silicon Steel with high magnetic induction comprising the procedures: 1) smelting and casting: the steel's chemical compositions by weight percent: Si 0.1~1%, Al 0.005~1.0%, C ≤ 0.004%, Mn = 0.10~1.50%, P ≤ 0.2%, , S ≤0.005%, N ≤0.002, Nb+V+Ti ≤0.006%, and the rest is Fe; molten steel is smelted and secondary refined and then casted into a billet; 2) hot-rolling: the billet is heated to 1150~1200°C, and then hot-rolled into a plate at finish-rolling temperature 830~900 °C , at a temperature ≥ 570°C, and is coiled; 3) flattening: the plate is cold-rolled at compression ratio 2~5%; 4) normalization: the plate is normalized at temperature not below 950°C for 30~180s; 5) pickling and cold-rolling: the normalized plate is pickled, and then is successively cold-rolled several times at total compression ratio 70~80% into a sheet with thickness of finished product; 6) finish-annealing: the cold-rolled sheet is quickly heated to 800~1000 °C at temperature rise rate ≥ 100°C/s, and soaked for 5~60s, thereafter, cooled slowly to 600~750C, then left to cool naturally. The manufacture process can raise magnetic induction of non-oriented silicon Steel by at least 200 Gauss without increasing iron loss.

    摘要翻译： 摘要：1）熔炼和铸造：按重量百分比计在钢的化学组合物：硅0.1〜1％以下，Al 0.005〜1.0％，C‰¤0.004％无取向硅钢的具有高磁感应包括的过程的制造过程 ，锰= 0:10〜1：50％，P‰¤0.2％，S‰¤0.005％，N‰¤0.002，NB + V +的Ti‰¤0.006％，其余为Fe; 钢水熔炼和次级精制，然后浇铸成坯料; 2）热轧：将钢坯加热至1150〜1200℃，然后热轧在终轧温度为板830〜900℃，在‰¥570℃的温度，并且是盘绕; 3）平坦化：所述板是冷轧在压缩比2〜5％; 4）归一化：将板在温度不低于950℃下进行30〜180秒归一化; 5）酸洗和冷轧：归一化的板进行酸洗，然后是连续冷轧几次在总压缩比70〜80％与成品的厚度的片材; 6）最终退火：所述冷轧板是在升温速度‰¥100℃/秒，快速加热到800〜1000℃，浸泡5〜60，此后，缓慢冷却至600〜750℃，然后左 自然冷却。 制造过程中可以通过至少200个高斯，而不增加铁损提高无取向硅钢的磁感应。

    NON-ORIENTED ELECTRICAL STEEL SHEET WITH FINE MAGNETIC PERFORMANCE, AND CALCIUM TREATMENT METHOD THEREFOR
    8.
    发明公开
    NON-ORIENTED ELECTRICAL STEEL SHEET WITH FINE MAGNETIC PERFORMANCE, AND CALCIUM TREATMENT METHOD THEREFOR 有权
    具有精细磁性能的非取向电工钢板及其钙处理方法

    公开(公告)号：EP2824192A1

    公开(公告)日：2015-01-14

    申请号：EP12870769.2

    申请日：2012-03-27

    申请人： Baoshan Iron & Steel Co., Ltd.

    发明人： ZHANG, Feng ,  LIU, Xiandong ,  XIE, Shishu ,  LV, Xuejun ,  CHEN, Xiao ,  MA, Aihua ,  ZHANG, Peili ,  WANG, Yanwei ,  ZHANG, Lan ,  HEI, Hongxue

    IPC分类号： C21C7/04 ,  C21C7/10 ,  C22C38/06

    CPC分类号： H01F1/14775 ,  C21C7/0006 ,  C21C7/06 ,  C21C7/068 ,  C21C7/10 ,  C21D8/12 ,  C21D9/46 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  H01F1/14766 ,  H01F1/14791 ,  H01F1/16

    摘要： A non-oriented electrical steel sheet with fine magnetic performance, and a calcium treatment method therefor, including an RH (Ruhrstahl-Heraeus) refinement step. The RH refinement step sequentially comprises a decarbonization step, an aluminum deoxidation step, and a step of adding calcium alloy. In the step of adding calcium alloy, time when the calcium alloy is added satisfies the following condition: time interval between A1 and Ca/total time after ΣA1=0.2-0.8. In this method, production cost is reduced, the production process is simple, a normal processing cycle of RH refinement is not affected, the device is convenient in operation and is controllable, and foreign substances are controllable in both shape and quantities. The non-oriented electrical steel sheet prepared according to the present invention has fine magnetic performance, and the method can be used for mass production of the non-oriented electrical steel sheet with fine magnetic performance.

    摘要翻译： 具有良好磁性能的无取向电工钢板及其钙处理方法，包括RH（Ruhrstahl-Heraeus）精炼步骤。 RH精炼步骤依次包括脱碳步骤，铝脱氧步骤和添加钙合金的步骤。 在添加钙合金的步骤中，添加钙合金的时间满足以下条件：A1与Ca之间的时间间隔/ΣA1= 0.2-0.8之后的总时间。 该方法降低了生产成本，生产工艺简单，不影响RH精炼的正常加工周期，装置操作方便，可控，异物的形状和数量均可控制。 根据本发明制备的无取向电工钢板具有良好的磁性能，该方法可用于大批量生产具有良好磁性能的无取向电工钢板。

    HIGH STRENGTH NON-ORIENTED ELECTRIC STEEL HAVING HIGHER MAGNETIC FLUX DENSITY AND MANUFACTURE METHOD THEREOF
    9.
    发明公开
    HIGH STRENGTH NON-ORIENTED ELECTRIC STEEL HAVING HIGHER MAGNETIC FLUX DENSITY AND MANUFACTURE METHOD THEREOF 审中-公开
    高强度不化电工钢具有产生高密度和高流动磁过程

    公开(公告)号：EP2631315A1

    公开(公告)日：2013-08-28

    申请号：EP11835497.6

    申请日：2011-04-27

    申请人： Baoshan Iron & Steel Co., Ltd.

    发明人： HU, Zhanyuan ,  WANG, Bo ,  XIE, Shishu ,  MA, Aihua ,  ZOU, Liang ,  WANG, Zitao ,  ZHU, Yuhua

    IPC分类号： C22C38/40 ,  C21D8/12

    CPC分类号： C22C38/06 ,  C21D8/1261 ,  C21D8/1272 ,  C22C38/001 ,  C22C38/04 ,  C22C38/34 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50

    摘要： A non-oriented electrical steel having relative high magnetic induction and high intensity and a manufacturing method thereof, comprising steps as follows: 1) smelting and pouring, the weight percentage of the compositions of the electrical steel are as follows: C≤0.0040%, Si is 2.50% to 4.00%, Al is 0.20% to 0.80%, Cr is 1.0 to 8.0%, Ni is 0.5 to 5.0%, Mn≤0.50%, P≤0.30%, S≤0.0020%, N≤0.0030%, Ti≤0.0030%, Nb≤0.010%, V≤0.010%, C+S+N+Ti ≤0.010%, and a balance substantially being Fe and inevitable impurities, carrying out smelting, RH vacuum process and pouring; 2) hot rolling; 3) normalizing, temperature is 850 to 950°C, time is 0.5 to 3 min, then being cooled to 650 to 750 °C slowly at 5 to 15°C/s, further being cooled to no higher than 100 °C fast at 20 to 70°C/s; 4) acid pickling and cold rolling, total screw-down rate is no less than 70%; 5) annealing, temperature is 800 to 1000 °C, holding 5 to 60s, then being cooled to 650 to 750°C slowly at 3 to 10°C/s, further being cooled to no higher than 100°C fast at 20 to 70°C/s. The present invention can manufacture a non-oriented electrical steel having high intensity and high magnetic induction without increasing manufacturing difficulty.

    摘要翻译： 具有相对高的磁感应强度高和其制造方法的非取向电工钢，其特征在于步骤如下：1）熔炼和浇注，是电工钢的组合物的重量百分比如下所示：C‰¤0.0040％ ，Si是2点50分〜4：00 %%，Al为0.20％〜0.80％以下，Cr为1.0〜8.0％，Ni为0.5〜5.0％以下，Mn‰¤0.50％，P‰¤0.30％，S‰¤0.0020％，N ‰¤0.0030％以下，Ti‰¤0.0030％以下，Nb‰¤0.010％，V‰¤0.010％，C + N + S +的Ti‰¤0.010％，余量为Fe和不可避免的杂质基本上，进行熔炼，RH 真空处理和浇注; 2）热轧; 3）正火，温度为850〜950℃，时间为0.5〜3分钟，然后冷却至650〜750℃慢慢在5〜15℃/ s时，Furtherwirt被冷却至不高于100℃几乎在 20〜70℃/秒; 4）酸洗和冷轧，总压下率不大于70％以下; 5）退火，温度为800〜1000℃，保持5〜60秒，然后冷却至650〜750℃缓慢以3〜10℃/秒，Furtherwirt被冷却至不高于100℃几乎在20〜 70℃/秒。 本发明可以制造具有高强度和高的磁感应而不会增加制造难度的无取向电工钢。

    HEAT-RESISTANT MAGNETIC DOMAIN REFINED GRAIN-ORIENTED SILICON STEEL AND MANUFACTURING METHOD THEREFOR
    10.
    发明公开
    HEAT-RESISTANT MAGNETIC DOMAIN REFINED GRAIN-ORIENTED SILICON STEEL AND MANUFACTURING METHOD THEREFOR 审中-公开

    公开(公告)号：EP3760745A1

    公开(公告)日：2021-01-06

    申请号：EP18912118.9

    申请日：2018-06-20

    申请人： BAOSHAN IRON & STEEL CO., LTD.

    发明人： CHU, Shuangjie ,  ZHAO, Zipeng ,  YANG, Yongjie ,  MA, Changsong ,  WU, Meihong ,  JI, Yaming ,  MA, Aihua ,  XIE, Weiyong ,  LIU, Hai ,  GUO, Jianguo

    IPC分类号： C21D8/12 ,  H01F1/147 ,  C21D9/46 ,  B23K26/067

    摘要： A heat-resistant magnetic domain refined grain-oriented silicon steel, a single-sided surface or a double-sided surface of which has several parallel grooves which are formed in a grooving manner, each groove extends in the width direction of the heat-resistant magnetic domain refined grain-oriented silicon steel, and the several parallel grooves are uniformly distributed along the rolling direction of the heat-resistant magnetic domain refined grain-oriented silicon steel. Each groove which extends in the width direction of the heat-resistant magnetic domain refined grain-oriented silicon steel is formed by splicing several sub-grooves which extend in the width direction of the heat-resistant magnetic domain refined grain-oriented silicon steel. The manufacturing method for a heat-resistant magnetic domain refined grain-oriented silicon steel comprises the step of: forming grooves on a single-sided surface or a double-sided surface of a heat-resistant magnetic domain refined grain-oriented silicon steel in a laser grooving manner, a laser beam of the laser grooving is divided into several sub-beams by a beam splitter, and the several sub-beams form the several sub-grooves which are spliced into the same groove.