专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2014189832A Production method of grain oriented silicon steel plate by high speed electron beam irradiation 有权
标题翻译：通过高速电子束照射产生的面向导向的硅钢板的生产方法
公开(公告)号：JP2014189832A
公开(公告)日：2014-10-06
申请号：JP2013066128
申请日：2013-03-27
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： TAKAGI SHIGEHIRO , HANAZAWA KAZUHIRO
IPC分类号： C21D8/12 , H01F1/16
CPC分类号： Y02P10/212
摘要： PROBLEM TO BE SOLVED: To accurately synchronize convergence current position control with deflection without inviting film damage of an irradiation part, thereby magnetic domain fragmentation and low core loss making are effectively achieved, even when a scan speed (deflection speed) of an electron beam is made a high speed.SOLUTION: An electron beam irradiation method is that an electron beam is performed by a reciprocating scan in a straight line shape over at least 100 mm on the steel plate in a direction intersecting a rolling direction of a steel plate, and a linear recycling magnetic domain part is introduced to the steel plate, and is that in an irradiation pattern in which introduction of the recycling magnetic domain part by electron beam irradiation is made either a going process or a backing process, and when a beam scan speed of a process in which the introduction of the recycling magnetic domain part by the electron beam irradiation is performed is assumed Vp(m/s), the beam scan speed of a process in which the introduction of the recycling magnetic domain part by the electron beam irradiation is not performed is assumed Vs(m/s), the relation of the following formula (1): 30 m/s≤Vp≤Vs/3 --- (1) is satisfied about these Vp and Vs.
摘要翻译：要解决的问题：为了精确地同步收敛当前位置控制与偏转而不引起照射部分的膜损伤，因此即使当电子束的扫描速度（偏转速度）为制造高速。电子束照射方法是通过在钢板上沿与钢板的轧制方向交叉的方向以至少100mm的直线形状的往复扫描进行电子束，以及线性再循环磁畴部分被引入到钢板中，并且是通过电子束照射引入再循环磁畴部分的进行照射的照射模式是进行处理或背景处理，并且当光束扫描速度进行通过电子束照射引入再循环磁畴部分的处理的假定为Vp（m / s），bea 假定不进行通过电子束照射的再循环磁畴部的引入的处理的m扫描速度为Vs（m / s），下式（1）的关系为30m /s≤Vp≤ Vs / 3 ---（1）对于这些Vp和Vs.

2. 发明专利

JP2014173099A Method of manufacturing nonoriented electromagnetic steel sheet 有权
标题翻译：制造非导电电磁钢板的方法
公开(公告)号：JP2014173099A
公开(公告)日：2014-09-22
申请号：JP2013044489
申请日：2013-03-06
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： ZAIZEN YOSHIAKI , TODA HIROAKI , ODA YOSHIHIKO , NAKANISHI TADASHI , HANAZAWA KAZUHIRO
IPC分类号： C22C38/00 , C21D8/12 , C22C38/06 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a nonoriented electromagnetic steel sheet having low iron loss at high frequency area and high magnetic flux density, and to provide its useful manufacturing method.SOLUTION: In a method of manufacturing a nonoriented electromagnetic steel sheet including conducting hot rolling, cold rolling and finish annealing on a steel slab containing, by mass%, C:0.005% or less, Si:2 to 4%, Mn:0.03 to 3%, P:0.03 to 0.2%, S:0.005% or less, Al:0.01% or less and N:0.005%, and further Ca in a range of 0.5 to 3.5 of an atom ratio to S ((Ca(%)/40)/(S(%)/32)), the nonoriented electromagnetic steel sheet having a magnetic flux density Bof 1.70 T or more and iron loss Wof 12 W/kg or less is provided by setting a rolling reduction rate of the cold rolling at 85% or more, a final sheet thickness of a cold rolled sheet at 0.10 to 0.20 mm and conducting rapid heating with an average rate of temperature rise up to 740°C in the final annealing of 100°C/s or more.
摘要翻译：要解决的问题：提供一种在高频区域具有低铁损和高磁通密度的非取向电磁钢板，并提供其有用的制造方法。解决方案：在制造包括导热热轧的非取向电磁钢板的方法在钢板上进行冷轧和最终退火，其质量％为C：0.005％以下，Si：2〜4％，Mn：0.03〜3％，P：0.03〜0.2％，S：0.005％以下，Al：0.01％以下，N：0.005％，Ca相对于S（（Ca（％）/ 40）/（S（％）/ 32））为0.5〜3.5的范围的Ca，通过将冷轧的压下率设定为85％以上，将冷轧的最终板厚设定为1.70T以上，铁损W为12W / kg以下的无磁方向电磁钢板片材为0.10〜0.20mm，在100℃/ s以上的最终退火中进行快速加热，平均升温至740℃。

3. 发明专利

JP2013036080A Method for producing soft hot-rolled steel sheet 审中-公开
标题翻译：生产软质热轧钢板的方法
公开(公告)号：JP2013036080A
公开(公告)日：2013-02-21
申请号：JP2011172535
申请日：2011-08-08
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： FUJITA KOICHIRO , HANAZAWA KAZUHIRO
IPC分类号： C21D9/46 , B21B1/22 , B21B3/00 , C22C38/00 , C22C38/06
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a soft hot-rolled steel sheet excellent in formability.SOLUTION: A steel material has composition containing, in mass%, 0.01-0.06% of C, 0.1% or less of Si, 0.1-0.5% of Mn, 0.03% or less of P, 0.03% or less of S, 0.005% or less of N, 0.02% or less of O, and further 0.002% or less of sol. Al, with a balance comprising Fe and unavoidable impurities. The steel material is heated and further subjected to finish rolling of which the finish rolling end temperature is in a temperature range of 750°C to Artransformation point, and then is rolled up at a roll-up temperature of at least 600°C. Preferably, temper rolling may be performed with an elongation rate of 0.5-5% after performing pickling. Thus, the soft hot-rolled steel sheet having high ductility with elongation of at least 40% while having low strength with yield strength of less than 210 MPa and excellent in formability is easily obtained.
摘要翻译：待解决的问题：提供一种成型性优异的软质热轧钢板的制造方法。钢材具有以质量％计含有C：0.01-0.06％，0.1％以下的Si，0.1-0.5％的Mn，0.03％以下的P，0.03％以下的S ，0.005％以下的N，0.02％以下的O，还有0.002％以下的溶胶。 Al，余量为Fe和不可避免的杂质。将钢材加热，进一步进行精轧，精轧结束温度在750℃〜Ar

4. 发明专利

JP2012031458A High-strength cold-rolled thin steel sheet superior in formability and method of manufacturing the same 有权
标题翻译：高强度冷轧薄钢板及其制造方法
公开(公告)号：JP2012031458A
公开(公告)日：2012-02-16
申请号：JP2010170692
申请日：2010-07-29
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： TAKAGI SHIGEHIRO , HANAZAWA KAZUHIRO , FUJITA KOICHIRO
IPC分类号： C22C38/00 , C21D9/46 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a high-strength cold-rolled thin steel sheet which is inexpensive and superior in formability.SOLUTION: A steel including 0.010-0.060 mass% C, ≤0.05 mass% Al, and 0.0060-0.0200 mass% N, and having a ratio of effective N content Nef/Al content of ≥0.2 is heated to 1,000°C or higher, subjected to finish rolling at a ferrite transformation start temperature or higher and taken up at a temperature TA=[700-10(Al/Nef)] or lower. The cold rolled sheet is subjected to a heat treatment of carrying out heating at a temperature of 250°C or higher and the TA or lower, and at a temperature lower than a ferrite recrystallization starting temperature. When the finish rolling outlet side temperature is lower than the ferrite transformation start temperature and a half value of a diffraction peak from a (220) plane in X ray diffraction of a hot-rolled plate is ≥0.30°, the rolling reduction of the cold rolling may be adjusted so that the total of the rolling reduction in hot rolling in a temperature range of lower than the ferrite transformation start temperature and the rolling reduction in cold rolling is 30-80%. Then, a high strength cold-rolled thin steel sheet superior in strength and rolling balance is thereby attained.
摘要翻译：要解决的问题：提供廉价且成形性优异的高强度冷轧薄钢板。
解决方案：将含有0.010-0.060质量％C，≤0.05质量％Al和0.0060-0.0200质量％N的钢，其有效N含量Nef / Al含量≥0.2的比例加热至1,000℃ 以上，在铁素体相变开始温度以上进行精轧，并以TA = [700-10（Al / Nef）]以下的温度吸收。对该冷轧板进行250℃以上的温度，TA以下的加热处理和低于铁素体再结晶开始温度的加热处理。当精轧出口侧温度低于铁素体相变开始温度时，热轧板的X射线衍射中的（220）面的衍射峰的半值为≥0.30°时，冷轧的压下率可以调节轧制，使得在低于铁素体相变开始温度的温度范围内的热轧的轧制总计和冷轧的轧制压下率为30-80％。然后，由此获得强度和滚动平衡优异的高强度冷轧薄钢板。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2011144428A Cold rolled steel sheet and method for producing the same 有权
标题翻译：冷轧钢板及其制造方法
公开(公告)号：JP2011144428A
公开(公告)日：2011-07-28
申请号：JP2010006554
申请日：2010-01-15
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： TAKAGI SHIGEHIRO , FUJITA KOICHIRO , HANAZAWA KAZUHIRO , KIZU TARO
IPC分类号： C22C38/00 , C21D9/46 , C22C38/12 , C22C38/14
CPC分类号： C21D9/46 , C21D8/0236 , C21D8/0273 , C22C38/12
摘要： PROBLEM TO BE SOLVED: To provide a cold rolled steel sheet which has excellent moldability and shape fixability, and has excellent machine production stability, and a method for producing the same.
SOLUTION: The cold rolled steel sheet has a composition comprising 0.0010 to 0.0030% C, ≤0.05% Si, 0.1 to 0.3% Mn, ≤0.05% P, ≤0.02% S, 0.02 to 0.10% Al, ≤0.005% N, 0.010 to 0.030% Nb and B: 0.0010≤B-11/14×N≤0.0050%, and the balance iron with inevitable impurities. Then, the mean elongation (El
m ) is ≥42%, and the mean r value (r
m ) is 1.2 to 1.6. Further, in annealing after cold rolling, the steel sheet is held at a soaking temperature of (820+Nb/15+B-CR) to 860°C for 30 to 200 sec in accordance with a draft CR(%), the Nb content (mass ppm) and the B content (mass ppm), thus the steel sheet can be stably produced by an actual machine without controlling the soaking temperature by pinpoints.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供一种成型性和定形性优异，机械生产稳定性优异的冷轧钢板及其制造方法。＆lt; P＆gt;解决方案：冷轧钢板的组成为：含有0.0010〜0.0030％的C，≤0.05％的Si，0.1〜0.3％的Mn，≤0.05％的P，≤0.02％的S，0.02〜0.10％的Al，≤0.005％ N，0.010〜0.030％Nb，B：0.0010≤B-11/14×N≤0.0050％，余量为铁与不可避免的杂质。然后，平均伸长率（El m ）为≥42％，平均r值（r m ）为1.2〜1.6。此外，在冷轧后的退火中，根据通气量（％），钢板将（820 + Nb / 15 + B-CR）的均热温度保持在860℃30〜200秒，Nb 含量（质量ppm）和B含量（质量ppm），因此可以通过实际机器稳定地制造钢板，而不需要精确地控制均热温度。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2010265545A Cold-rolled steel sheet having excellent slow-aging property and high curability in baking, and method for producing the same 有权
标题翻译：具有优良的耐老化性和耐高温性的冷轧钢板及其制造方法
公开(公告)号：JP2010265545A
公开(公告)日：2010-11-25
申请号：JP2010069962
申请日：2010-03-25
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YASUHARA HIDEKO , HANAZAWA KAZUHIRO , YOSHIDA GENTARO
IPC分类号： C22C38/00 , C21D9/46 , C22C38/06 , C22C38/54 , C23C2/06 , C23C2/28
CPC分类号： C21D9/46 , C21D8/0236 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06
摘要： PROBLEM TO BE SOLVED: To provide a cold-rolled steel sheet which has excellent slow-aging properties and excellent curability in baking.
SOLUTION: A steel stock having a composition comprising, by mass, 0.020 to 0.070% C, ≤0.05% Si, 0.1 to 0.5% Mn, ≤0.05% P, ≤0.02% S, 0.02 to 0.08% Al and 0.005 to 0.02% N is heated at ≥1,150°C, is subjected to finish rolling in which finish rolling end temperature is ≥850°C so as to be a hot rolled sheet. The hot rolled sheet is coiled at a coiling temperature satisfying the specified relation between the Al and N contents, is then, in two stages of cold rolling at a draft of 60 to 90% and a heating rate, subjected to heating to an annealing temperature satisfying specified relational formula with the Al content, the N content and the coiling temperature, is soaked and is cooled to ≤500°C at a cooling rate of ≥5°C/s. Further, a galvanizing layer such as a hot dip galvanizing layer may be formed on the surface of the steel sheet. In this way, a cold-rolled steel sheet comprising ≥0.0010% solid solution N, comprising a ferritic phase with the average crystal grain size of ≤7 μm at an area ratio of ≥80%, and having a structure where precipitates with a size of 0.05 to 5 μm in the average circle-equivalent diameter are precipitated into the crystal grains of the ferritic phase is formed. Thus, occurrence of wrinkles caused by aging can be prevented, and also, after the application of relatively low strain of
摘要翻译：待解决的问题：提供一种具有优异的缓慢老化性能和优异的烘烤固化性的冷轧钢板。解决方案：一种组合物，其组成包括质量分数为0.020至0.070％的C，≤0.05％的Si，0.1至0.5％的Mn，≤0.05％的P，≤0.02％的S，0.02至0.08％的Al和0.005 将0.02％N加热至≥1,150℃，进行精轧结束温度≥850℃的精轧，成为热轧板。热轧板以满足Al和N含量之间的规定关系的卷取温度卷取，然后在冷却两个阶段中以60〜90％的通风和加热速度进行加热至退火温度满足Al含量，N含量和卷取温度的指定关系式浸泡，并以≥5℃/ s的冷却速率冷却至≤500℃。此外，可以在钢板的表面上形成诸如热浸镀锌层的镀锌层。以这种方式，包括≥0.0010％的固溶体N的冷轧钢板，其包含平均晶粒尺寸≤7μm的铁素体相，其面积比为≥80％，并且具有其尺寸在平均圆当量直径为0.05〜5μm的硅酸盐相中析出。因此，可以防止由老化引起的皱纹的发生，并且在施加相当于涂布/烘烤的相对低的<2.0％的加热处理之后，可以确保≥50MPa的烘烤/固化量。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2010255069A Cold-rolled steel sheet excellent in formability, shape-fixability and surface-appearance, and manufacturing method therefor 有权
标题翻译：冷轧钢板具有优异的可塑性，形状和表面外观以及其制造方法
公开(公告)号：JP2010255069A
公开(公告)日：2010-11-11
申请号：JP2009108820
申请日：2009-04-28
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YASUHARA HIDEKO , FUJITA KOICHIRO , KIZU TARO , HANAZAWA KAZUHIRO , TAKAGI SHIGEHIRO
IPC分类号： C22C38/00 , C21D9/46 , C22C38/06 , C22C38/54
CPC分类号： C21D8/0226 , C21D8/0236 , C21D8/0273 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06
摘要： PROBLEM TO BE SOLVED: To provide a cold-rolled steel sheet excellent in a formability, a shape-fixability and surface-appearancy which has both of a workability and the shape-fixability in a low-carbon steel, can be subjected to a deep-drawing, a bending and a bulgin, can secure the shape needed to large-sized parts, and is high in flatness without causing any appearance defects, and to provide a manufacturing method thereof.
SOLUTION: This cold-rolled steel sheet is characterized in that the steel has composition composed, by mass, of 0.030-0.060% C, ≤0.05% Si, 0.1-0.3% Mn, ≤0.05% P, ≤0.02% S, 0.02-0.10% Al, ≤0.005% N, and the balance Fe with inevitable impurities, wherein the average yield strength in the three-directions of the rolling direction, the 45°-oblique direction of the rolling direction and the orthogonal direction of the rolling direction is ≤230 MPa, the average extension thereof is ≥40%, r values in the rolling direction and the orthogonal direction of the rolling direction are 0.7-1.4, and an anisotropy in the surface of the r value (Δr) is -0.2≤Δr≤0.2, and in all of the above three direction, the yield extension after holding at 170°C for 60 min is 0%.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：为了提供一种在低碳钢中具有可加工性和形状定影性两者的成形性，形状固定性和表面外观性优异的冷轧钢板，可以确保大尺寸部件所需的形状，并且具有高的平坦度，而不产生任何外观缺陷，并提供其制造方法。解决方案：该冷轧钢板的特征在于，该组合物的质量为0.030-0.060％C，≤0.05％Si，0.1-0.3％Mn，≤0.05％P，≤0.02％ S，0.02-0.10％Al，≤0.005％N，余量为Fe与不可避免的杂质，其中轧制方向三个方向的平均屈服强度，轧制方向的45°方向和正交方向的轧制方向为≤230MPa，平均延伸率为≥40％，轧制方向的r值和轧制方向的r值为0.7〜1.4，r值（Δr）表面的各向异性为-0.2≤Δr≤0.2，在上述三个方向的全部中，在170℃保持60分钟后的收率扩展为0％。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2010047834A Cold-rolled steel sheet, process for production of same, and backlight chassis 有权
标题翻译：冷轧钢板，生产工艺和背光配件
公开(公告)号：JP2010047834A
公开(公告)日：2010-03-04
申请号：JP2009154060
申请日：2009-06-29
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： KIZU TARO , FUJITA KOICHIRO , YASUHARA HIDEKO , HANAZAWA KAZUHIRO , KUMAGAI MASATOSHI , TAWARA KENJI , KOGA HIDEHARU
IPC分类号： C22C38/00 , B21B3/00 , C21D9/46 , C22C38/12 , C22C38/14
CPC分类号： C22C38/004 , C21D1/26 , C21D8/0426 , C21D8/0436 , C21D2211/005 , C22C38/04 , C22C38/06 , C22C38/12
摘要： PROBLEM TO BE SOLVED: To provide a cold-rolled steel sheet having excellent workability and shape fixability, a process for production of same, and a backlight chassis by appropriate control of minor components and r value.
SOLUTION: Disclosed is a cold-rolled steel sheet which is characterized by containing C: 0.0010 to 0.0030%, Si: 0.05% or less, Mn: 0.1 to 0.3%, P: 0.05% or less, S: 0.02% or less, Al: 0.02 to 0.10%, N: 0.005% or less, and Nb: 0.010 to 0.030% with the balance being Fe and unavoidable impurities and which is characterized in that the r value in the longitudinal and crosswise directions are each 1.0 to 1.6 and that the mean El
m of elongations in the longitudinal direction, in the direction at 45° to the longitudinal direction and in the crosswise direction is 40% or above, with the proviso that El
m =(El
L +2×El
D +El
C )/4El
L : wherein El
L : elongation in the longitudinal direction, El
D : elongation in the direction at 45° to the longitudinal direction, and El
C : elongation in the crosswise direction.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有优异的可加工性和形状定形性的冷轧钢板，其制造方法和通过适当控制次要组分和r值的背光底盘。解决方案：公开了一种冷轧钢板，其特征在于，含有C：0.0010〜0.0030％，Si：0.05％以下，Mn：0.1〜0.3％，P：0.05％以下，S：0.02％以下，Al：0.02〜0.10％，N：0.005％以下，Nb：0.010〜0.030％，余量为Fe和不可避免的杂质，其特征在于纵向和横向的r值分别为1.0 至1.6的长度方向上的长度方向上的伸长率的平均值的长度方向上的长度方向和横向方向为45度的平均长径比为40％以上，条件是El 米 =（埃尔→ + 2×EL ð +埃尔 C ）/ 4EL → ：其中长度方向的伸长率为：沿长度方向45°的方向的伸长率，以及El C ：横向伸长。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009102682A Steel sheet for in-vehicle motor core 审中-公开
标题翻译：车载电机铁芯钢板
公开(公告)号：JP2009102682A
公开(公告)日：2009-05-14
申请号：JP2007273707
申请日：2007-10-22
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： FUJITA KOICHIRO , HANAZAWA KAZUHIRO
IPC分类号： C22C38/00 , C21D8/12 , C22C38/18 , H01F1/14 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a steel sheet for in-vehicle motor core by which core loss can be effectively improved without causing increases in motor core manufacturing costs resulting from thinning of steel sheet, addition of Si, annealing treatment after blanking and the like. SOLUTION: The steel sheet has a component composition consisting of, by mass, ≤0.005% C, 15/50 at 0.8 mm sheet thickness is ≤13 W/kg. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于车载电动机铁芯的钢板，其中可以有效地提高铁损，而不会导致钢板变薄所引起的电动机芯制造成本的增加，添加Si，消隐后的退火处理等等。钢板具有以质量计≤0.005％C，<0.05％Si，0.1〜0.5％Mn，0.02〜0.20％Cr，≤0.1％P，≤0.01％S组成的组分组成， ≤0.004％溶胶。 Al，≤0.005％N，≤0.02％O，余量为Fe与不可避免的杂质。此外，平均晶粒尺寸为≥40μm，厚度为0.8mm时的芯损耗W 15/50 ≤13W/ kg。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2014199734A 鋼材加工方法および方向性電磁鋼板の加工方法有权
标题翻译：用于方向电磁钢板的钢产品加工方法和加工方法
公开(公告)号：JP2014199734A
公开(公告)日：2014-10-23
申请号：JP2013074056
申请日：2013-03-29
申请人： Jfeスチール株式会社 , Jfe Steel Corp
发明人： TAKAGI SHIGEHIRO , HANAZAWA KAZUHIRO
IPC分类号： H01J37/317 , C21D8/12
摘要：【課題】上記した電子ビーム照射時の異常放電(アーキング)が発生した場合にあっても、方向性電磁鋼板を典型例とする鋼材への電子ビーム照射処理を適正に行うための方途について提案する。【解決手段】電子ビームを鋼材に照射して該鋼材に連続的に加工を施すに当たり、前記電子ビームの照射中にアーキングの検知を行って、一定の経過時間内に一定の時間間隔を置いて発生するアーキングが、N回以上発生した場合に、該N回目が生じた時点以降の電子ビームの照射電流を低減する。【選択図】なし
摘要翻译：要解决的问题：即使在电子束照射中发生异常放电（电弧））时，提出一种用于将包括定向电磁钢板的钢产品作为典型实例适当地进行电子束照射处理的方法。解决方案：当钢产品用电子束照射以进行连续处理，在电子束的照射期间进行电弧放电的检测。在一定的经过时间内以一定的时间间隔发生的放电发生N次以上的情况下，电弧的照射电流在第N次起弧时间的时刻减少。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式