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1. 发明专利

JP2012140676A Non-oriented electromagnetic steel sheet and method for producing the same 有权
标题翻译：非导电电磁钢板及其制造方法
公开(公告)号：JP2012140676A
公开(公告)日：2012-07-26
申请号：JP2010293914
申请日：2010-12-28
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： KONO MASAAKI , NAKANISHI TADASHI , TODA HIROAKI
IPC分类号： C22C38/00 , C21D8/12 , C22C38/06 , C22C38/60 , H01F1/16
CPC分类号： Y02T10/6295
摘要： PROBLEM TO BE SOLVED: To provide a non-oriented electromagnetic steel sheet excellent in high strength and magnetic properties, which is suitable as a rotor material of a high-speed rotating motor.SOLUTION: The non-oriented electromagnetic steel sheet has a component composition including, by mass%, 0.010% or less C, more than 3.5% and 5.0% or less Si, 0.2% or less Mn, 0.2% or less Al, 0.03% or less P, 0.005% or less S, 0.001% or more Ca, and 0.005% or less N, wherein more than 3.5% and 5.0% or less of Si+Al+0.5 Mn and more than 0.8 of Ca/S are satisfied, with the balance including Fe and inevitable impurities. The steel sheet has a thickness of 0.37 mm or less, a Wof 40 W/kg or less, and a TS of 600 MPa or more.
摘要翻译：要解决的问题：提供优异的高强度和磁特性的非取向电磁钢板，其适合作为高速旋转电动机的转子材料。解决方案：无取向电磁钢板具有以质量％计含有0.010％以下的C，3.5％以上且5.0％以下的Si，0.2％以下的Mn，0.2％以下的Al ，0.03％以下的P，0.005％以下的S，0.001％以上的Ca和0.005％以下的N，其中，Si + Al + 0.5Mn以上且3.5％以上且5.0％以下，Ca / S满意，余量包括Fe和不可避免的杂质。钢板的厚度为0.37mm以下，W 10/400 为40W / kg以下，TS为600MPa以上。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2011114952A Motor core 有权
标题翻译：电机核心
公开(公告)号：JP2011114952A
公开(公告)日：2011-06-09
申请号：JP2009269227
申请日：2009-11-26
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： ODA YOSHIHIKO , ZAIZEN YOSHIAKI , KONO MASAAKI , FUJITA AKIRA , TODA HIROAKI
IPC分类号： H02K1/18 , H02K1/02
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide a motor core capable of effectively reducing deterioration in iron loss, even when used while a compressive stress is applied from the outer periphery of the core. SOLUTION: The motor core has a stator comprising a laminate of electromagnetic steel plates, which has teeth and a back yoke, and is imparted with the compressive stress of ≥10 MPa to the circumferential direction of the stator. In the motor core, the compressive stress of ≥0.3 MPa is imparted in a laminate direction of the back yoke, and the surface roughness of the electromagnetic steel plate is set at 2-50 μm at the maximum height. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：即使在从芯的外周施加压缩应力的情况下，也能够提供能够有效地减少铁损的劣化的电动机芯。解决方案：电机芯具有定子，其包括具有齿和后轭的电磁钢板的层压体，并且在定子的圆周方向上施加≥10MPa的压缩应力。在电动机芯中，在背轭的层叠方向上施加≥0.3MPa的压缩应力，电磁钢板的表面粗糙度在最大高度为2-50μm。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2011046997A Non-oriented magnetic steel sheet and method for manufacturing the same 有权
标题翻译：非面向磁性钢板及其制造方法
公开(公告)号：JP2011046997A
公开(公告)日：2011-03-10
申请号：JP2009195952
申请日：2009-08-26
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： KONO MASAAKI , ZAIZEN YOSHIAKI , ODA YOSHIHIKO , FUJITA AKIRA
IPC分类号： C22C38/00 , C21D8/12 , C22C38/14 , C22C38/60
CPC分类号： Y02T10/6295
摘要： PROBLEM TO BE SOLVED: To provide a non-oriented magnetic steel sheet which is superior in magnetic properties and the quality of a steel sheet, and to provide a method for manufacturing the same at low cost. SOLUTION: The non-oriented magnetic steel sheet has a component composition including: by mass%, 5.0% or less Si, 2.0% or less Mn, 2.0% or less Al and 0.05% or less P so as to satisfy the range of the following expression (1): 300≤85[Si%]+16[Mn%]+40[Al%]+490[P%]≤430 (1); furthermore, 0.008-0.040% C, 0.003% or less N and 0.04% or less Ti so as to satisfy the range of the following expression (2): 0.008≤Ti* COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供磁性能和钢板质量优异的无取向电磁钢板，并且以低成本提供其制造方法。解决方案：无取向电磁钢板具有以质量％计含有5.0％以下的Si，2.0％以下的Mn，2.0％以下的Al和0.05％以下的P，以满足以下表达式（1）的范围：300≤85[Si％] +16 [Mn％] + 40 [Al％] + 490 [P％]≤430（1）此外，为了满足以下表达式（2）的范围，0.008-0.040％C，0.003％以下N和0.04％以下Ti：0.008≤Ti* <1.2 [C％]（2），其中Ti * =钛3.4 [N％]; 余量为Fe与不可避免的杂质。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2010090474A Non-oriented electrical steel sheet and method for production thereof 有权
标题翻译：非导电电工钢板及其制造方法
公开(公告)号：JP2010090474A
公开(公告)日：2010-04-22
申请号：JP2009030295
申请日：2009-02-12
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： KONO MASAAKI , ZAIZEN YOSHIAKI , ODA YOSHIHIKO , FUJITA AKIRA
IPC分类号： C22C38/00 , C21D8/12 , C21D9/46 , C22C38/06 , C22C38/60 , H01F1/16
CPC分类号： Y02T10/6295
摘要： PROBLEM TO BE SOLVED: To provide a high-strength non-oriented electrical steel sheet excellent in magnetic properties and strength characteristics and having less variation of the characteristics. SOLUTION: The steel sheet comprises, by mass, ≤0.010% C, >3.5 to 5.0% Si, ≤0.5% Al, ≤0.20% P, 0.002 to 0.005% S, ≤0.010% N, and contains Mn satisfying the range: (5.94×10 -5 )/(S%)≤Mn≤(4.47×10 -4 )/(S%) in relationship with S content (mass%) and the balance Fe with inevitable impurities. The area ratio of recrystallization particles in cross-section (ND-RD cross-section) in the rolling direction of the steel sheet is made to be ≥30% but ≤90% and further, the length of coupled non-recrystallizing particle group in the rolling direction is made to be ≤1.5 mm. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供磁特性和强度特性优异且特性变化小的高强度无取向电工钢板。钢板按质量计含有≤0.010％C，3.5〜5.0％Si，≤0.5％Al，≤0.20％P，0.002〜0.005％S，≤0.010％N，含有满足Mn （5.94×10 -5 ）/（S％）≤Mn≤（4.47×10 -4 ）/（S％）质量％），余量为Fe与不可避免的杂质。钢板的轧制方向的截面（ND-RD截面）的再结晶粒子的面积率为≥30％，但≤90％，进一步，未结晶的未结晶粒子群的长度轧制方向为≤1.5mm。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2009219306A Rotor for high-speed motor and method of manufacturing the same 有权
标题翻译：高速电机用转子及其制造方法
公开(公告)号：JP2009219306A
公开(公告)日：2009-09-24
申请号：JP2008062620
申请日：2008-03-12
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： ODA YOSHIHIKO , KONO MASAAKI , HONDA ATSUTO
IPC分类号： H02K15/02 , H02K1/02
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide a rotor for a high-speed motor that is excellent in the fatigue characteristics, and to provide a method for manufacturing the same. SOLUTION: The rotor for a motor is composed by laminating steel plates, on which a plurality of pores are formed. The pores are formed using the chemical dissolution. Alternatively, the chemical dissolution is performed on end surfaces of the pores after formation of the pores. The steel plates are, for example, nondirectional electromagnetic steel plates consisting of: Si with a mass ratio of ≤7%; Al with a mass ratio of ≤3%; Mn with a mass ratio of 0.05 to 3%; S with a mass ratio of ≤0.005%; a balance comprising an iron; and unavoidable impurities. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种疲劳特性优异的高速电动机的转子，并提供其制造方法。解决方案：电动机的转子由层压钢板组成，其上形成有多个孔。使用化学溶解形成孔。或者，在形成孔之后，在孔的端面进行化学溶解。钢板例如是由以下组成的非定向电磁钢板：质量比≤7％的Si; 质量比≤3％的Al; 质量比为0.05〜3％的Mn; S质量比≤0.005％; 平衡包括铁; 和不可避免的杂质。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2012136763A Method for producing high-strength electromagnetic steel sheet 有权
标题翻译：生产高强度电磁钢板的方法
公开(公告)号：JP2012136763A
公开(公告)日：2012-07-19
申请号：JP2010291476
申请日：2010-12-28
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： NAKANISHI TADASHI , ZAIZEN YOSHIAKI , ODA YOSHIHIKO , TODA HIROAKI , KONO MASAAKI
IPC分类号： C21D8/12 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a high-strength electromagnetic steel sheet being desirable as a rotor material for a high-speed motor, stably having high strength and high fatigue characteristics, and being excellent also in magnetic characteristics.SOLUTION: The high-strength electromagnetic steel sheet is produced by subjecting a slab having a composition containing, by mass%, more than 3.5% to 5.0% Si, 0.0005-0.0030% S, 0.0015% or more Ca, and 0.01-0.1%, in total, one or two elements selected from Sn and Sb, with the balance being Fe and inevitable impurities, to a series of steps including hot rolling, single cold rolling and finish annealing.
摘要翻译：要解决的问题：为了提供高强度电磁钢板作为高速电动机的转子材料，稳定地具有高强度和高疲劳特性，并且磁特性也优异。解决方案：高强度电磁钢板是通过使具有以质量％计含量大于3.5％至5.0％Si，0.0005-0.0030％S，0.0015％或更多Ca和0.01％在一个包括热轧，单冷轧和最终退火的一系列步骤中，总共含有一种或两种选自Sn和Sb的元素，余量为Fe和不可避免的杂质。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2011160578A Motor core having small degradation in iron-loss under compressive stress 有权
标题翻译：在压缩应力下的铁损中的小电机的电机芯
公开(公告)号：JP2011160578A
公开(公告)日：2011-08-18
申请号：JP2010021030
申请日：2010-02-02
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： ODA YOSHIHIKO , ZAIZEN YOSHIAKI , KONO MASAAKI , TODA HIROAKI
IPC分类号： H02K1/12 , H02K1/02 , H02K1/18
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide a motor core that has small degradation in high-frequency iron-loss characteristics even in the presence of compressive stress.
SOLUTION: The motor core is configured such that compressive stress of ≥10 MPa is imparted in the circumferential direction of a stator in which punched electromagnetic steel plates are laminated. A plurality of slits in parallel along the circumferential direction are formed at each back yoke of each electromagnetic steel plate constituting the stator, preferably, at intervals of ≤10 mm and with a width of ≤0.5 mm of a slit gap. The S concentration on the surface of each electromagnetic steel plate is ≤10 at%.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使在存在压应力的情况下，也可提供高频铁损特性小的电动机芯。解决方案：电动机芯构造成使得在其中层压有冲压电磁钢板的定子的圆周方向上施加≥10MPa的压缩应力。在构成定子的每个电磁钢板的每个后轭处，优选以≤10mm的间隔和≤0.5mm的狭缝间隙形成沿着圆周方向平行的多个狭缝。每个电磁钢板表面的S浓度≤10at％。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2010259158A Core material for high-speed motors 有权
标题翻译：高速电机的核心材料
公开(公告)号：JP2010259158A
公开(公告)日：2010-11-11
申请号：JP2009103754
申请日：2009-04-22
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： ODA YOSHIHIKO , KONO MASAAKI , FUJITA AKIRA , ZAIZEN YOSHIAKI , SHIGA NOBUISA , HIRATANI TATSUHIKO
IPC分类号： H02K1/02 , C22C38/00 , C22C38/06 , H01F1/16
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide a core material for high-speed motors excellent in balance between strength and iron loss. SOLUTION: The core material for high-speed motors with superior magnetic properties and strength is prepared as follows: its surface layer part is comprised of silicon steel composed of 2 to 7% of Si in mass%, remanent Fe, and unavoidable impurities; and its inner layer part is comprised of steel with a yield strength of 500 MPa or above. The inner layer part is higher in yield strength than the surface layer part. The ratio of the thickness on either side of the surface layer to the overall thickness is 0.1 to 0.7. With respect to iron loss (W2/10K) measured by plate thickness/single layer, the surface layer part is made lower than the inner layer part. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供强度和铁损之间的平衡优异的高速电动机的芯材。解决方案：具有优异磁性能和强度的高速电机用芯材的制备如下：其表层部分由以质量％计2％至7％Si，残留Fe和不可避免的硅杂质; 其内层部分由屈服强度为500MPa以上的钢构成。内层部分的屈服强度高于表层部分。表层的任一侧的厚度与总厚度之比为0.1〜0.7。对于通过板厚/单层测定的铁损（W2 / 10K），表层部分比内层部分低。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2010154590A Rotor core material for ipm motors, and rotor core for ipm motors 有权
标题翻译： IPM电机的转子芯材和IPM电机的转子芯
公开(公告)号：JP2010154590A
公开(公告)日：2010-07-08
申请号：JP2008326871
申请日：2008-12-24
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： ODA YOSHIHIKO , KONO MASAAKI , FUJITA AKIRA , ZAIZEN YOSHIAKI , SHIGA NOBUISA , HIRATANI TATSUHIKO
IPC分类号： H02K1/27
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide a rotor core material for IPM motors, which is excellent in motor efficiency and is excellent in balance between strength and iron loss, and a rotor core for IPM motors.
SOLUTION: The rotor core material for IPM motors used as an iron core is a multilayered steel plate consisting of three-layer structure of a surface layer, an inner layer, and a surface layer in its thickness direction, and the surface layer consists of a ferromagnetic material, and the inner layer consists of a nonmagnetic material, and besides the ratio of the thickness of the surface layer to the whole thickness is 0.2-0.8. Then, the rotor core for IPM motors can be obtained by removing the ferromagnetic materials in both layers of a bridge part which is formed between adjacent magnet insertion holes and/or magnet insertion holes and the periphery of the rotor, using the material.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种电动机效率优异且强度与铁损之间的平衡优异的IPM电动机的转子芯材以及用于IPM电动机的转子铁心。解决方案：用作铁芯的IPM电动机的转子芯材是由厚度方向的表面层，内层和表面层的三层结构构成的多层钢板，表层由铁磁材料组成，内层由非磁性材料组成，除了表面层的厚度与整个厚度之比也为0.2-0.8。然后，通过使用该材料除去形成在相邻的磁体插入孔和/或磁体插入孔和转子的周边之间的桥接部分的两层中的铁磁材料，可以获得用于IPM电动机的转子芯。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2009203520A Method for manufacturing non-oriented electromagnetic steel sheet 有权
标题翻译：制造非定向电磁钢板的方法
公开(公告)号：JP2009203520A
公开(公告)日：2009-09-10
申请号：JP2008046654
申请日：2008-02-27
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： OKUBO TOMOYUKI , KONO MASAAKI , ODA YOSHIHIKO , ZAIZEN YOSHIAKI
IPC分类号： C21D8/12 , B21B3/02 , C22C38/00 , C22C38/06 , C22C38/54 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a method for stably manufacturing a non-oriented electromagnetic steel sheet superior in magnetic properties in a rolled direction so that the properties do not fluctuate. SOLUTION: When manufacturing the non-oriented electromagnetic steel sheet, this manufacturing method includes cold-rolling the plate two or more times while inserting an intermediate annealing step in the middle of cold-rolling; and at this time, controlling a C content in the final cold rolling step to 0.005 to 0.05 mass% and a rolling reduction in the final cold rolling step to 30 to 80%. Then, a ä110} texture is formed in the steel sheet. Furthermore, the C content after a finish annealing step is controlled to 0.005% or less. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种稳定地制造在卷取方向上具有优异的磁性能的无取向电磁钢板的方法，使得该性能不波动。解决方案：当制造无取向电磁钢板时，该制造方法包括在冷轧中间插入中间退火步骤两次或多次冷轧板; 此时，将最终冷轧工序中的C含量控制为0.005〜0.05质量％，将最终冷轧工序的轧制压下量控制为30〜80％。然后，在钢板中形成ä110} <001>纹理。另外，最终退火工序后的C含量控制在0.005％以下。版权所有（C）2009，JPO＆INPIT

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