专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

11. 发明专利

JP2006213953A Method for producing grain oriented silicon steel sheet having excellent magnetic property 有权
标题翻译：用于生产具有优异磁性性能的面向导电硅钢片的方法
公开(公告)号：JP2006213953A
公开(公告)日：2006-08-17
申请号：JP2005026310
申请日：2005-02-02
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： IMAMURA TAKESHI , HAYAKAWA YASUYUKI
IPC分类号： C21D9/46 , C22C38/00 , C22C38/04 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To prevent a grain oriented silicon steel sheet using no inhibitors from deteriorating in magnetic characteristics in a secondary recrystallization annealing. SOLUTION: In the production method, when a recrystallization-annealed shee, the starting material of which is a slab containing, by mass, ≤0.08% C, 2.0 to 8.0% Si and 0.005 to 1.0% Mn, and containing no inhibitor components, is subjected to secondary recrystallization annealing so as to be heated-up to the temperature range of 825 to 1,000°C and be held thereto, the secondary recrystallization annealing is performed in an Ar atmosphere in the period of time of ≥70% in the period from the time when the annealing temperature reaches 800°C to the point of time after 20 hr from the time at which the annealing temperature has reached the secondary recrystallization temperature of the steel sheet. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了防止在二次再结晶退火中不使用抑制剂的晶粒取向硅钢板的磁特性恶化。解决方案：在生产方法中，当重结晶退火的原料是以质量计≤0.08％的C，2.0〜8.0％的Si和0.005〜1.0％的Mn，不含抑制剂成分进行二次再结晶退火，加热至825〜1000℃的温度范围并保持，二次再结晶退火在Ar气氛中在≥70％的时间内进行，从退火温度达到800℃到退火温度达到钢板二次再结晶温度20小时后的时间点为止。版权所有（C）2006，JPO＆NCIPI

12. 发明专利

JP2006070356A Method for manufacturing non-oriented electromagnetic steel sheet superior in magnetic property 有权
标题翻译：制造非磁性电磁钢板超磁体的方法
公开(公告)号：JP2006070356A
公开(公告)日：2006-03-16
申请号：JP2004377135
申请日：2004-12-27
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： ODA YOSHIHIKO , KONO MASAKI , HAYAKAWA YASUYUKI , KONO MASAAKI
IPC分类号： C21D8/12 , C22C38/00 , C22C38/06 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a non-oriented electromagnetic steel sheet having higher magnetic-flux density and lower core loss than ever. SOLUTION: The steel material for the non-oriented electromagnetic steel sheet comprises, by mass%, 0.01-0.2% C, 3% or less Si, 0.05-3.0% Mn, 1% or less Al, 0.2% or less P, 0.01% or less S, 0.005% or less N, and the balance Fe with unavoidable impurities. The method for manufacturing the steel sheet includes a series of steps of: hot-rolling the above steel material; annealing the hot-rolled plate; rolling the plate into a final sheet thickness; and then decarburization-annealing and finish-annealing the sheet; wherein the hot-rolled plate is annealed in a temperature range of an Ac 3 point or higher. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种比以往更高的磁通密度和更低的铁损的无取向电磁钢板。解决方案：用于非取向电磁钢板的钢材以质量％计含有0.01-0.2％C，3％以下的Si，0.05〜3.0％的Mn，1％以下的Al，0.2％以下 P，0.01％以下S，0.005％以下N，余量为Fe与不可避免的杂质。制造钢板的方法包括以下一系列步骤：对上述钢材进行热轧; 退火热轧板; 将板轧制成最终板厚; 然后对片材进行脱碳退火和最终退火; 其中所述热轧板在Ac 3 或更高的温度范围内进行退火。版权所有（C）2006，JPO＆NCIPI

13. 发明专利

JP2005187941A Annealing-separation agent for grain-oriented electromagnetic steel sheet, method for annealing grain-oriented electromagnetic steel sheet and method for producing grain-oriented electromagnetic steel sheet 有权
标题翻译：用于面向导电电磁钢板的退火分离剂，用于退火晶粒的电磁钢板的方法和用于生产面向导电的电磁钢板的方法
公开(公告)号：JP2005187941A
公开(公告)日：2005-07-14
申请号：JP2004351775
申请日：2004-12-03
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OMURA TAKESHI , SASHI KAZUMICHI , HAYAKAWA YASUYUKI , KONO MASAKI , YOSHIKAWA SHINICHI
IPC分类号： C23C22/00 , C21D9/46 , C22C38/00 , C22C38/04 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide an annealing-separation agent for preventing the burning-sticking of both grain-oriented electromagnetic steel sheets, and an annealing method utilizing it, and a method for producing the grain-oriented electromagnetic steel sheet using this annealing-separation agent. SOLUTION: The annealing-separation agent contains an Al compound in a state of solution or colloidal solution and further, a stable compound at a high temperature, and has ≤25 (mPa s) viscosity. Further, this annealing-separation agent is applied to the steel sheet and the coated steel sheet is annealed. Furthermore, a slab produced from molten steel containing prescribed components, is rolled to a finished sheet thickness to form the steel sheet and recrystallize-annealing and a first batch annealing with the above annealing method are applied and successively, a continuous annealing and a second batch annealing are applied by applying the second annealing-separation agent to produce the grain-oriented electromagnetic steel sheet. Therein, the recrystallize-annealing is applied either before applying a first annealing-separation agent or after applying the first annealing-separation agent and before batch annealing. Further, the coating amount of the first annealing-separation agent per one side surface is 0.005-5 g/m 2 . COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于防止两种晶粒取向电磁钢板的燃烧粘附的退火分离剂和使用它的退火方法，以及使用这种方法的方向性电磁钢板的制造方法该退火分离剂。解决方案：退火分离剂含有溶液或胶态溶液状态的Al化合物，还有高温下的稳定化合物，粘度≤25（mPa·s）。此外，将该退火分离剂涂布在钢板上，对钢板进行退火。此外，将由含有规定成分的钢水制成的板坯轧制成成品板厚以形成钢板并进行再结晶退火，并进行上述退火法的第一批次退火，依次进行连续退火和第二批次通过施加第二退火分离剂来制造晶粒取向电磁钢板进行退火。其中，在应用第一退火分离剂之前或施加第一退火分离剂之后和分批退火之前，应用再结晶退火。此外，每个侧表面的第一退火分离剂的涂布量为0.005-5g / m 2。版权所有（C）2005，JPO＆NCIPI

14. 发明专利

JP2005146331A Method for welding grain-oriented electromagnetic steel sheet 审中-公开
标题翻译：焊接面向电磁钢板的方法
公开(公告)号：JP2005146331A
公开(公告)日：2005-06-09
申请号：JP2003384005
申请日：2003-11-13
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： IMAMURA TAKESHI , HAYAKAWA YASUYUKI , YOSHIKAWA SHINICHI
IPC分类号： B23K9/235 , B23K9/025 , B23K11/16 , B23K26/00 , B23K26/32 , B23K103/04 , C21D8/12
摘要： PROBLEM TO BE SOLVED: To provide a method for welding a grain-oriented electromagnetic steel sheet, which adequately welds the grain-oriented electromagnetic steel sheet having secondarily recrystallized grains, without needing such surface-grinding treatment as to cause plate breaking. SOLUTION: This method for welding the grain-oriented electromagnetic steel sheets after having been secondary-recrystallization-annealed with each other comprises controlling the thickness of an oxide layer formed on the surface of the steel sheet to 1.0 μm or less, without forming a forsterite film on the surface of the steel sheet in the process of manufacturing the grain-oriented electromagnetic steel sheet; and welding them. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种焊接面向电磁钢板的方法，该方法适当地焊接具有二次再结晶晶粒的晶粒取向电磁钢板，而不需要进行表面磨削处理以使板材断裂。解决方案：对二维再结晶退火后的晶粒取向电磁钢板进行焊接的方法包括：将形成在钢板表面的氧化物层的厚度控制在1.0μm以下，没有在制造晶粒取向电磁钢板的过程中在钢板表面上形成镁橄榄石膜; 并焊接。版权所有（C）2005，JPO＆NCIPI

15. 发明专利

JP2003328037A Process for manufacturing grain-oriented magnetic steel sheet showing excellent bending property 审中-公开
标题翻译：制造面向磁性钢板的工艺表现出优异的弯曲性能
公开(公告)号：JP2003328037A
公开(公告)日：2003-11-19
申请号：JP2002138118
申请日：2002-05-14
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： TERAJIMA TAKASHI , TAKASHIMA MINORU , HAYAKAWA YASUYUKI
IPC分类号： C21D9/46 , C22C38/00 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To prevent deterioration of uniformity and adhesion of a coating film which is a problem accompanying reduced S and Se contents of ≤50 ppm, and to avoid deterioration of a bending property in a manufactured sheet. SOLUTION: A steel slab having a composition containing, by mass, ≤0.08% C, 2.0-8.0% Si and 0.005-3.0% Mn, wherein Al content is reduced to COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了防止伴随S和Se含量降低≤50ppm的问题的涂膜的均匀性和粘附性的劣化，并且避免制造的片材中的弯曲性能的劣化。＆lt; P＆gt;解决方案：一种钢坯，其组合物含有质量为≤0.08％C，2.0-8.0％Si和0.005-3.0％Mn，其中Al含量降低至<10ppm，并且S和Se含量各自降低至≤50ppm，如果需要，进行热轧，退火，通过级间退火步骤冷轧一次或≥2次，并进行脱碳退火。然后，将钢板涂覆有基本上包含MgO的退火分离剂，并含有0.1-9.0重量份的Ti化合物，并进行最终温度为1050〜11550℃的最终成品退火。版权所有（C）2004，JPO

16. 发明专利

JP2003247051A GRAIN-ORIENTED ELECTRICAL STEEL SHEET WITH EXCELLENT BENDABILITY, AND ITS MANUFACTURING METHOD 审中-公开
公开(公告)号：JP2003247051A
公开(公告)日：2003-09-05
申请号：JP2002042991
申请日：2002-02-20
申请人： JFE STEEL KK
发明人： TERAJIMA TAKASHI , TAKASHIMA MINORU , HAYAKAWA YASUYUKI , KUROSAWA MITSUMASA
IPC分类号： C23C22/00 , C21D8/12 , C21D9/46 , C22C38/00 , C22C38/04 , C22C38/60 , H01F1/18
摘要： PROBLEM TO BE SOLVED: To prevent deterioration in the uniformity and adhesion of films which becomes a problem when the amounts of S and Se are reduced to ≤50 ppm in particular and also to avoid deterioration in bendability in product sheets. SOLUTION: A film composed essentially of forsterite is formed on the surface of a grain-oriented electrical steel sheet. In this film, the amounts of one or more elements among Ca, Sr and Ba and the amounts of either or both of S and Se are controlled under prescribed relations. COPYRIGHT: (C)2003,JPO

17. 发明专利

JP2003239017A METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET 审中-公开
公开(公告)号：JP2003239017A
公开(公告)日：2003-08-27
申请号：JP2002040607
申请日：2002-02-18
申请人： JFE STEEL KK
发明人： NAKANISHI TADASHI , TAKASHIMA MINORU , HAYAKAWA YASUYUKI , KUROSAWA MITSUMASA
IPC分类号： C21D8/12 , C21D9/00 , C22C38/00 , C22C38/04 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To manufacture a grain-oriented electrical steel sheet in high yield by effectively reducing the edge cracking at hot rolling which is liable to occur in the case where an inhibitor-free slab is heated at a temperature as low as SOLUTION: In applying slab heating to the inhibitor-free slab at a temperature as low as i ' computed from equation T i '=ΔT i ×(1-R÷100)÷D i is made to ≤10.0°C/m when D i (m), ΔT i (°C) and R (%) represent each skid interval in the above slab heating step, a temperature difference in the skid interval on the delivery side at roughing and a draft at hot roughing, respectively. COPYRIGHT: (C)2003,JPO

18. 发明专利

JP2003213339A METHOD FOR PRODUCING GRAIN ORIENTED SILICON STEEL SHEET HAVING EXCELLENT MAGNETIC PROPERTY 审中-公开
公开(公告)号：JP2003213339A
公开(公告)日：2003-07-30
申请号：JP2002018421
申请日：2002-01-28
申请人： JFE STEEL KK
发明人： IMAMURA TAKESHI , HAYAKAWA YASUYUKI , TAKASHIMA MINORU , KUROSAWA MITSUMASA
IPC分类号： B21B3/02 , C21D9/46 , C22C38/00 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a method for more stably producing a grain oriented silicon steel sheet which has excellent magnetic properties by controlling proper composition in a composition containing no inhibitor forming components. SOLUTION: A steel slab having the composition containing, by mass, ≤0.08% C, 2.0 to 8.0% Si an 0.005 to 0.50% Mn, and in which the content of Al is reduced to COPYRIGHT: (C)2003,JPO

19. 发明专利

JP2003201518A METHOD OF PRODUCING GRAIN ORIENTED SILICON STEEL SHEET HAVING EXCELLENT MAGNETIC PROPERTY 审中-公开
公开(公告)号：JP2003201518A
公开(公告)日：2003-07-18
申请号：JP2002004358
申请日：2002-01-11
申请人： JFE STEEL KK
发明人： HAYAKAWA YASUYUKI , TAKASHIMA MINORU , IMAMURA TAKESHI , KUROSAWA MITSUMASA
IPC分类号： C21D8/12 , C22C38/00 , C22C38/06 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a method for more stably producing a grain oriented silicon steel sheet which has excellent magnetic properties by properly performing final finish annealing using a material containing no inhibitor forming components. SOLUTION: A steel slab having a componential composition containing, by mass, ≤0.08% C, 2.0 to 8.0% Si, and 0.005 to 3.0% Mn, and in which the content of Al is reduced to COPYRIGHT: (C)2003,JPO

20. 发明专利

JP2003201516A METHOD OF PRODUCING GRAIN ORIENTED SILICON STEEL SHEET CONTAINING NO GLASS FILM AND HAVING HIGH MAGNETIC FLUX DENSITY AND LOW CORE LOSS 审中-公开
公开(公告)号：JP2003201516A
公开(公告)日：2003-07-18
申请号：JP2002001917
申请日：2002-01-09
申请人： JFE STEEL KK
发明人： HAYAKAWA YASUYUKI , YAMAGAMI HIDEO , TAKASHIMA MINORU , IMAMURA TAKESHI , KUROSAWA MITSUMASA
IPC分类号： C21D8/12 , C22C38/00 , C22C38/04 , C22C38/60 , H01F1/16 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a production method for advantageously obtaining a grain oriented silicon steel sheet which has a sufficiently high magnetic flux density and a low core loss even when produced without using inhibitors. SOLUTION: A slab produced by using a molten steel containing, by mass, ≤0.08% C, 2.0 to 8.0% Si, and 0.005 to 3.0% Mn is hot-rolled, and is, if required, subjected to hot rolled sheet annealing. Subsequently, the steel sheet is subjected to cold rolling for one time or for two or more times including process annealing, and is subjected to recrystallization annealing in a low-oxidizing or nonoxidizing atmosphere to control the content of C after the recrystallization annealing to the range of 0.005 to 0.025%. After that, the steel sheet is, if required, coated with a separation agent for annealing, and is subjected to final finish annealing. In the final finish annealing, a hydrogen atmosphere under a partial pressure of ≥10 vol.% is introduced in the temperature range of ≥900°C, so that the content of C is reduced to COPYRIGHT: (C)2003,JPO

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