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31. 发明专利

JP2014070972A Steel plate inspection apparatus, steel plate inspection method, and steel plate manufacturing method 有权
标题翻译：钢板检查装置，钢板检查方法和钢板制造方法
公开(公告)号：JP2014070972A
公开(公告)日：2014-04-21
申请号：JP2012216379
申请日：2012-09-28
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： ITO TOMOHIKO , YOTSUTSUJI JUNICHI , TAKAGI SHIGEHIRO , YAMAGUCHI HIROSHI , HANAZAWA KAZUHIRO , KOGA YASUNARI
IPC分类号： G01N27/72 , C21D8/12 , G01R33/032 , H01F1/16
CPC分类号： G01N21/21 , C21D1/34 , C21D1/38 , C21D8/12 , C21D8/1244 , C21D8/1294 , C21D9/46 , C21D11/00 , C22C38/00 , G01N21/86 , G01N27/82 , G01N2021/8609 , G01R33/032 , H01F1/16 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To improve manufacturing yield by performing visualized inspection of a magnetic domain structure of a steel plate immediately after its magnetic domain segmentalization processing.SOLUTION: A steel plate inspection apparatus 1 according to the present invention comprises: a magnetooptical element 5 converting a magnetic domain structure of a steel plate to be inspected into optical characteristics detectable as optical characteristics; a light source 7 irradiating the magnetooptical element 5 with linear polarization; a detector 12 for detecting the linear polarization whose polarization plane is rotated in accordance with the magnetic domain structure of the steel plate that has been transcribed to the magnetooptical element 5; and a drive mechanism for driving at least the magnetooptical element 5 so as to make the steel plate contact with and depart from the magnetooptical element 5.
摘要翻译：要解决的问题：通过在其磁畴分段处理之后立即对钢板的磁畴结构进行可视化检查来提高制造成品率。解决方案：根据本发明的钢板检查装置1包括：磁光元件5转换将要检查的钢板的磁畴结构视为光学特性可检测的光学特性; 以线偏振照射磁光元件5的光源7; 检测器12，用于检测偏振面根据已经转录到磁光元件5的钢板的磁畴结构旋转的线偏振; 以及用于至少驱动磁光元件5以使钢板与磁光元件5接触和离开的驱动机构。

32. 发明专利

JP2012153962A Method of manufacturing member excellent in shape fixability 有权
标题翻译：在形状稳定性方面制造成员优秀的方法
公开(公告)号：JP2012153962A
公开(公告)日：2012-08-16
申请号：JP2011016164
申请日：2011-01-28
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： TAKAGI SHIGEHIRO , FUJITA KOICHIRO , HANAZAWA KAZUHIRO , OTSUKA YUZO
IPC分类号： C21D9/46 , B21D22/20 , C22C38/00 , C22C38/16
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a member excellent in shape fixability by which the occurrence of spring back or deflection after forming can be suppressed.SOLUTION: A thin steel plate is used as a material which is 0.5 MPa or more in aging index AI and 400 MPa or less in tensile strength TS. The material is subjected to aging at aging temperature T(K) in a range of 373-523 K for an aging period (s) of 10exp(9880/T)×T×(exp((AI+6)/3.9))s or longer to form a thin steel plate having yield elongation YP-El of 0.5% or more. Such a thin steel plate is used as a material for forming, and it is press-formed to make a member having a predetermined shape. Thus, its spring back or deflection is suppressed and the member is made to have excellent shape fixability. In addition, it is effective for improving shape fixability to apply temper rolling to the thin steel plate as a material beforehand.
摘要翻译：要解决的问题：提供一种可以抑制成形后的弹回或偏转发生的形状定形性优异的部件的制造方法。
解决方案：使用薄钢板作为老化指数AI为0.5MPa以上的拉伸强度TS为400MPa以下的材料。该材料在373-523K的范围内的老化温度T（K）下经历老化时间（s）为10 exp（9880 / T） ×T×（exp（（AI + 6）/3.9）） 1.5秒以上，形成屈服伸长率YP-El为0.5％以上的薄钢板。这种薄钢板用作成型材料，并且被压制成为具有预定形状的部件。因此，其弹回或偏转被抑制，并且使构件具有优异的形状定影性。此外，作为材料预先提高对薄钢板的调质轧制的形状定影性是有效的。版权所有（C）2012，JPO＆INPIT

33. 发明专利

JP2011144427A Cold rolled steel sheet excellent in formability and shape-fixability after aging, and producing method therefor 有权
标题翻译：老化后的冷轧钢板具有可塑性和形状稳定性，并且生产方法
公开(公告)号：JP2011144427A
公开(公告)日：2011-07-28
申请号：JP2010006553
申请日：2010-01-15
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： KIZU TARO , YASUHARA HIDEKO , HANAZAWA KAZUHIRO
IPC分类号： C22C38/00 , C21D9/46 , C22C38/06 , C22C38/54 , C23C2/06 , C23C2/28 , C25D5/26
CPC分类号： C22C38/02 , C21D8/0436 , C21D8/0473 , C21D9/46 , C21D9/48 , C21D2211/005 , C22C38/001 , C22C38/04 , C22C38/06 , C23C2/06 , C25D5/36
摘要： PROBLEM TO BE SOLVED: To provide a cold-rolled steel sheet excellent in a formability and a shape-fixability after aging, and a producing method therefor.
SOLUTION: The cold-rolled steel sheet has a composition containing 0.01-0.05% C, ≤0.05% Si, 0.1-0.5% Mn, ≤0.05% P, ≤0.02% S, 0.02-0.10% Al, ≤0.005% N and the balance Fe with inevitable impurities, and has a structure consisting mainly of a ferrite-phase, wherein the average grain diameter of the ferrite-phase is 10-20 μm and the standard deviation σ
A of natural logarithm to the value of the individual ferrite grain diameter divided with average value is ≥0.30. In order to obtain the steel sheet, when an annealing is applied after cold-rolling, the steel sheet is heated with 1-30°C/s the average heating speed in the temperature range from 600°C to the soaking temperature, and is subjected to soaking treatment at the soaking temperature of 800-900°C, and for the soaking time of 30-200s, and is cooled at the average cooling speed of 3-30°C/s in the temperature region from the soaking temperature to 550°C, and held at 500-300°C for ≥30s, and the strain of elongation of 0.5-2.0% is applied at the room temperature.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供一种成型性和老化后的形状定影性优异的冷轧钢板及其制造方法。解决方案：冷轧钢板含有0.01-0.05％C，≤0.05％Si，0.1-0.5％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，并且具有主要由铁素体相组成的结构，其中铁素体相的平均粒径为10-20μm，标准偏差σ A 的自然对数值与单个铁素体晶粒直径的平均值分别为≥0.30。为了获得钢板，在冷轧后进行退火时，将钢板以1〜30℃/ s的平均加热速度在600℃〜均热温度范围内加热，为在800-900℃的均热温度下进行均热处理，并且在30-200℃的均热时间内，在从均热温度到温度区域的平均冷却速度为3-30℃/ s下冷却至 550℃，在500-300℃保持≥30s，室温下施加0.5-2.0％的伸长应变。版权所有（C）2011，JPO＆INPIT

34. 发明专利

JP2011052312A Thin steel sheet having high proportion limit and method for manufacturing the same 有权
标题翻译：具有高比例限制的薄钢板及其制造方法
公开(公告)号：JP2011052312A
公开(公告)日：2011-03-17
申请号：JP2009204652
申请日：2009-09-04
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： KIZU TARO , HANAZAWA KAZUHIRO
IPC分类号： C22C38/00 , B21B3/00 , C21D9/46 , C22C38/06 , C22C38/14 , C23C2/02 , C23C2/06
摘要： PROBLEM TO BE SOLVED: To provide a thin steel sheet having a high proportion limit, and to provide a method for manufacturing the same. SOLUTION: This manufacturing method includes: preparing a thin steel sheet which has a composition including, by mass%, 0.01-0.10% C and 0.005-0.020% N and has a structure mainly containing a ferrite phase with a mean crystal grain size of 5 μm or more; and cold-working the thin steel sheet at a sheet thickness reduction rate of 1-30%. The thereby obtained thin steel sheet results in having a high proportion limit of 150 MPa or more. In addition to C and N, the thin steel sheet further includes 0.5% or less Si, 0.1-1.0% Mn, 0.05% or less P, 0.02% or less S and 0.10% or less Al while adjusting the N content and the Al content so as to satisfy N/Al: 0.2 or more. The thin steel sheet may further include B, or may further include Ti. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供具有高比例极限的薄钢板，并提供其制造方法。解决方案：该制造方法包括：制备具有质量％为0.01-0.10％C和0.005-0.020％N的组成的薄钢板，并且具有主要含有平均晶粒的铁素体相的结构尺寸为5μm以上; 并以1-30％的板厚减少率对薄钢板进行冷加工。由此得到的薄钢板的比例极限为150MPa以上。除了C和N之外，薄钢板还包括0.5％以下的Si，0.1〜1.0％的Mn，0.05％以下的P，0.02％以下的S和0.10％以下的Al，同时调节N含量，Al 含量以满足N / Al：0.2以上。薄钢板还可以包括B，或者还可以包括Ti。版权所有（C）2011，JPO＆INPIT

35. 发明专利

JP2013159850A Grain-oriented magnetic steel sheet and method for producing the same 有权
标题翻译：面向磁性的电磁钢板及其制造方法
公开(公告)号：JP2013159850A
公开(公告)日：2013-08-19
申请号：JP2012025540
申请日：2012-02-08
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： TAKAGI SHIGEHIRO , YAMAGUCHI HIROSHI , HANAZAWA KAZUHIRO , INOUE HIROTAKA
IPC分类号： C22C38/00 , B23K15/00 , C21D8/12 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a grain-oriented magnetic steel sheet, in which sufficient magnetic domain subdivision is achieved, satisfactory core loss reduction effect appears, and further, deterioration in magnetic flux density is extremely reduced, even when a steel sheet is subjected to electron beam irradiation accompanied with film damage.SOLUTION: Regarding a grain-oriented magnetic steel sheet in which linear strain elongating to a direction crossing the rolling direction of the steel sheet is provided at the inside of ferrite, and also, a film on the existing region of the strain is at least partially peeled, the formation of a ferrite molten trace is suppressed in a secondary electron image by surface SEM observation at the inside of the film peeling.
摘要翻译：要解决的问题：为了提供一种获得充分的磁畴细分的晶粒取向电磁钢板，出现令人满意的磁芯损耗降低效果，而且即使当钢板受到影响时，磁通密度的劣化也大大降低涉及伴随膜损伤的电子束照射。解决方案：关于在铁素体内部设置延伸到与钢板的轧制方向交叉的方向的线性应变的晶粒取向电磁钢板，以及应变的现有区域至少部分地被剥离，通过在膜剥离的内部的表面SEM观察来抑制二次电子图像中的铁素体熔融痕迹的形成。

36. 发明专利

JP2013159847A Grain-oriented magnetic steel sheet and method of manufacturing the same 有权
标题翻译：面向磁性的钢板及其制造方法
公开(公告)号：JP2013159847A
公开(公告)日：2013-08-19
申请号：JP2012025245
申请日：2012-02-08
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： TAKAGI SHIGEHIRO , YAMAGUCHI HIROSHI , OKABE SEIJI , HANAZAWA KAZUHIRO
IPC分类号： C21D8/12 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a grain-oriented magnetic steel sheet with a low iron loss and little degradation of magnetic permeability by effectively controlling generation of an excessively high dislocation density region that has been of concern during beam irradiation.SOLUTION: On a grain-oriented magnetic steel sheet with a linear grid distortion formed on a surface of the steel sheet in a direction of 60-120° with respect to a rolling direction, a region having the grid distortion of 0.1-0.3% and a region having the grid distortion of 0.3% or higher are distributed alternately and periodically at 0.1 mm or more intervals along the direction of the linear grid distortion.
摘要翻译：要解决的问题：通过有效地控制在束照射期间已经引起关注的过高位错密度区域的产生，提供具有低铁损和低磁导率的晶粒取向电磁钢板。解决方案：在颗粒在钢板表面上相对于轧制方向在60-120°的方向上形成具有线性网格变形的线状网格变形的方向磁化钢板，具有0.1-0.3％的网格变形的区域和具有网格的区域 0.3％以上的变形沿线性网格畸变的方向以0.1mm以上的间隔交替地且周期性地分布。

37. 发明专利

JP2013036081A 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：JP2013036081A
公开(公告)日：2013-02-21
申请号：JP2011172542
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 at least 0.09% 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，进一步至少为0.09％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

38. 发明专利

JP2012188733A Manufacturing method for grain-oriented electrical steel sheet 有权
标题翻译：面向电工钢板的制造方法
公开(公告)号：JP2012188733A
公开(公告)日：2012-10-04
申请号：JP2011196750
申请日：2011-09-09
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： HANAZAWA KAZUHIRO , TAKASHIMA MINORU , TAKAMIYA TOSHITO
IPC分类号： C21D8/12 , B21B1/26 , B21B3/02 , C21D9/46 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a method for advantageously manufacturing a grain-oriented electrical steel sheet excellent in magnetic characteristic at favorable productivity.SOLUTION: The manufacturing method for the grain-oriented electrical steel sheet hot-rolls a steel slab which contains, by mass, 0.020 to 0.15% of C, 2.5 to 7.0% of Si, 0.005 to 0.3% of Mn, 0.01 to 0.05% of sol.Al, 0.002 to 0.012% of N, 0.05% or lower in the total of one or two of S and Se, 0.01 to 0.20% of Sn, (0.2×Sn)% or higher and 0.10% or lower of Sb, and {0.7×(Sn+Sb)}% or higher and 1.0% or lower of Ni, cold-rolls the steel slab more than twice with intermediate annealing sandwiched between, primarily re-crystallization anneals the steel slab, and finish-anneals the steel slab. The manufacturing method for the grain-oriented electrical steel sheet is also characterized by controlling a pressure-lowering rate R at a temperature of 1,150°C at hot rolling and the highest arrival temperature T (°C) at the intermediate annealing in proper ranges according to contents of Sn, Sb and Ni of the steel slab.
摘要翻译：要解决的问题：提供一种有利地制造具有优异的磁特性的方向性电磁钢板的方法，以优异的生产率。解决方案：一种钢板的制造方法，其特征在于，以质量计含有C：0.020〜0.15％，Si：2.5〜7.0％，Mn：0.005〜0.3％，Mn：0.01 至0.05％的溶胶A1，0.002〜0.012％的N，0.05％以下的S和Se中的一种或两种，0.01〜0.20％的Sn，（0.2×Sn）％以上且0.10％以下较低的Sb和ä0.7×（Sn + Sb）}％以上和1.0％以下的Ni，冷轧钢板两次以上的中间退火夹层，主要是再结晶退火钢板，并完成对钢板的退火。晶粒取向电工钢板的制造方法的特征还在于，在热轧时控制在1150℃的温度下的降压速度R和中间退火时的最高到达温度T（℃）适当的范围，与钢板的Sn，Sb，Ni含量成正比。版权所有（C）2013，JPO＆INPIT

39. 发明专利

JP2012035302A Electron beam irradiation device 有权
标题翻译：电子束辐照器件
公开(公告)号：JP2012035302A
公开(公告)日：2012-02-23
申请号：JP2010177689
申请日：2010-08-06
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAMAGUCHI HIROSHI , HANAZAWA KAZUHIRO , OKABE SEIJI , OMURA TAKESHI
IPC分类号： B23K15/00 , C21D8/12
摘要： PROBLEM TO BE SOLVED: To provide an electron beam irradiation device that prevents contamination of a vacuum chamber or electron gun by reducing an adverse effect due to an evaporation component incidental to the damage of an insulation coating, which could be led when irradiating with an electron beam at high energy, without giving rise to deterioration of a magnetic domain subdividing effect caused by the electron beam irradiation.SOLUTION: In the electron beam irradiation device, a shielding plate with a slit through which the electron beam passes, is arranged on the side of a metallic strip surface to which the electron beam is radiated, when electronic beam scanning is performed by the electron gun successively in the width direction of the running metallic strip.
摘要翻译：要解决的问题：提供一种电子束照射装置，其通过减少由于绝缘涂层的损伤附带的蒸发成分引起的不利影响来防止真空室或电子枪的污染，这可以在照射时引发具有高能量的电子束，而不会导致由电子束照射引起的磁畴细分效应的劣化。解决方案：在电子束照射装置中，电子束通过的狭缝的屏蔽板被布置在电子束被辐射的金属条表面的一侧，当电子束扫描由电子枪在运行中的金属条的宽度方向依次。版权所有（C）2012，JPO＆INPIT

40. 发明专利

JP2011144426A 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：JP2011144426A
公开(公告)日：2011-07-28
申请号：JP2010006552
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 , KIZU TARO , YASUHARA HIDEKO , HANAZAWA KAZUHIRO , KUMAGAI MASATOSHI
IPC分类号： C22C38/00 , C21D9/46 , C22C38/06 , C22C38/54
CPC分类号： C21D8/0236 , C21D9/46 , C22C1/02 , C22C38/06
摘要： PROBLEM TO BE SOLVED: To provide a cold rolled steel sheet which has excellent moldability and shape fixability, and a method for producing the same.
SOLUTION: The cold rolled steel sheet has a composition comprising 0.010 to
摘要翻译：待解决的问题：提供一种成型性和定形性优异的冷轧钢板及其制造方法。解决方案：冷轧钢板具有0.010〜0.030％C，≤0.05％Si，≤0.3％Mn，≤0.05％P，≤0.02％S，0.02〜0.10％Al和≤0.005％ N，剩余铁与不可避免的杂质，其中r值平均值≤1.2，总伸长率≥41％。可以通过进行热轧而获得钢板，接着以≤20℃/ s的平均冷却速度进行冷却，在卷取温度为≥0℃的范围内卷取钢板，并且[ä8×（ C含量+ N含量×12/14）} - 1850]°C至[ä0.5×（C含量+ N含量×12/14）} + 520]（在公式中，C含量和 N含量是钢中的C含量（ppm）和N含量（ppm）℃），之后进行在≥55％的通风下的冷轧，接下来在退火温度为650〜800℃进行退火。版权所有（C）2011，JPO＆INPIT

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