专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

41. 发明专利

JP2007231328A Method for heating metallic material and direct-firing heating furnace 审中-公开
标题翻译：用于加热金属材料和直接加热炉的方法
公开(公告)号：JP2007231328A
公开(公告)日：2007-09-13
申请号：JP2006052411
申请日：2006-02-28
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KAMETANI TAKEFUMI , NAKAJIMA KATSUJI , FUJISAWA TOYOHIKO , KAMIMURA ATSURO , TAKAMIYA TOSHITO
IPC分类号： C21D9/00 , C21D1/52 , F27B9/36
摘要： PROBLEM TO BE SOLVED: To uniformly heat a metallic material in the width direction, in a direct-firing heating furnace without arranging a special mechanism in the furnace.
SOLUTION: The metallic material is heated by forming the combustion flames of furnace side wall burners B1 set in the upper side from the passing-through position of the metallic material at 5-40 degree angle diagonally upward to the horizontal line and/or the combustion flame of furnace side wall burners B2 set in the lower side from the passing-through position of the metallic material at 5-40 degree angle diagonally downward to the horizontal line. In this way, since the combustion flames in the furnace side wall burners are not directly collided to the edge parts of the metallic material, the width direction of the metallic material can uniformly be heated by restraining the over-heating of the edge parts.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：在直接烧制加热炉中，在炉中不设置特殊机构，在宽度方向均匀加热金属材料。解决方案：通过将金属材料的穿过位置的上侧的炉侧壁燃烧器B1的燃烧火焰以5-40度角向上倾斜地向上水平线和/ 或将炉侧壁燃烧器B2的燃烧火焰从金属材料的通过位置设置在下侧，5-40度角向下倾斜到水平线。以这种方式，由于炉侧壁燃烧器中的燃烧火焰不直接与金属材料的边缘部碰撞，所以通过抑制边缘部的过热，能够均匀地加热金属材料的宽度方向。版权所有（C）2007，JPO＆INPIT

42. 发明专利

JP2007169762A Method for producing low core loss grain oriented silicon steel sheet 有权
标题翻译：用于生产低芯粒磨损的硅钢板的方法
公开(公告)号：JP2007169762A
公开(公告)日：2007-07-05
申请号：JP2005372575
申请日：2005-12-26
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： TAKAMIYA TOSHITO , ARAGAKI YUKIHIRO , OKABE SEIJI , WATANABE MAKOTO
IPC分类号： C21D8/12 , C21D9/46 , C22C38/00 , C22C38/02 , C22C38/60 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a grain oriented silicon steel sheet capable of stably obtaining low core loss without deteriorating the core loss even after stress relieving annealing. SOLUTION: When a molten steel for a grain oriented silicon steel sheet is used as a starting stock, and is subjected to a series of stages of hot rolling, cold rolling, primary recrystallization annealing and finish annealing, so as to produce a grain oriented silicon steel sheet, the surface of the steel sheet after the final cold rolling is subjected to etching treatment, so as to form linear grooves satisfying prescribed conditions, and, in the subsequent primary recrystallization annealing, the heating rate in the temperature range of 500 to 750°C at the steel sheet temperature is made higher at the linear groove part compared with the part other than the linear grooves. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供即使在应力消除退火之后也能够稳定地获得低铁损而不降低铁损的晶粒取向硅钢板的制造方法。解决方案：当将用于晶粒取向硅钢板的钢水作为起始原料时，进行热轧，冷轧，一次再结晶退火和最终退火的一系列阶段，以产生晶粒取向硅钢板，对最终冷轧后的钢板表面进行蚀刻处理，形成满足规定条件的直线状槽，在后续的一次再结晶退火中，在与线性槽以外的部分相比，在钢板温度下的500〜750℃的直线槽部分高。版权所有（C）2007，JPO＆INPIT

43. 发明专利

JP2006274405A Method for manufacturing grain-oriented electromagnetic steel sheet causing high magnetic-flux density 审中-公开
标题翻译：制造高磁导率密度的面向导电电磁钢板的方法
公开(公告)号：JP2006274405A
公开(公告)日：2006-10-12
申请号：JP2005098471
申请日：2005-03-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NAKANISHI TADASHI , ARAGAKI YUKIHIRO , TAKAMIYA TOSHITO
IPC分类号： C21D9/46 , B21B3/02 , C22C38/00 , C22C38/18 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To prevent adhesion between steel sheets at the end of a final-finish-annealed coil, which becomes a problem in the manufacture of a grain-oriented electromagnetic steel sheet containing Cr.
SOLUTION: In a process of placing a coil of a cold-rolled sheet containing, by mass%, 2.5-4.5% Si, 0.01-0.50% Cr and an inhibitor-forming element such that an axis of the coil stands straight and subjecting it to final finish annealing including purification treatment at 1,100°C or higher for three hours or longer, this manufacturing method comprises: controlling a dew point of an atmosphere in a temperature range of 900°C or higher during the final finish annealing to 20°C or lower; controlling a heating rate in a temperature range of 900°C or higher to 15°C/h or lower; and making a region having no secondary recrystallization exist in a 1 mm or inner area from the side end in a sheet width direction, at least in one place in a longitudinal direction of the coil which has been final-finish-annealed.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了防止在最终退火线圈末端的钢板之间的粘合，这在含有Cr的晶粒取向电磁钢板的制造中成为问题。解决方案：在将含有质量％的2.5-4.5％的Si，0.01-0.50％的Cr和抑制剂形成元件的冷轧板的线圈放置成使得线圈的轴线直立的过程中并进行包括1100℃以上的净化处理3小时以上的最终成品退火，该制造方法包括：将最终成品退火时在900℃以上的温度范围内的气氛的露点控制为 20℃以下; 控制在900℃以上至15℃/ h以下的温度范围内的加热速度; 并且在片材宽度方向上的侧端的1mm或内部区域中，至少沿着已经最终退火的线圈的纵向的一个位置，形成没有二次再结晶的区域。版权所有（C）2007，JPO＆INPIT

44. 发明专利

JP2005163122A Method for manufacturing grain-oriented magnetic steel plate of high magnetic flux density 审中-公开
标题翻译：制造高磁导率密度的面向导向磁性钢板的方法
公开(公告)号：JP2005163122A
公开(公告)日：2005-06-23
申请号：JP2003404675
申请日：2003-12-03
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NAKANISHI TADASHI , WATANABE MAKOTO , TAKAMIYA TOSHITO
IPC分类号： C21D8/12 , C21D9/00 , C22C38/00 , C22C38/34 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a technology for consistently manufacturing an excellent electromagnetic material having very low iron loss and high magnetic flux density which is capable of preventing adhesion at a lower end of a coil after the final finish annealing in manufacturing a grain-oriented magnetic steel plate containing Cr.
SOLUTION: In a grain-oriented magnetic steel plate manufacturing method comprising a series of steps of heating and hot-rolling a steel slab containing, by mass, 2.5-4.5% Si, 0.01-0.50% Cr and inhibitor-forming elements; decarburizing annealing a steel plate after the steel slab is rolled to a final thickness through one or two or more cold rolling including the annealing, coiling the steel plate in a coil with annealing separating agent coated on the surface of the steel plate; and performing the final finish annealing of the coil including purification at the temperature of ≥ 1,100°C for at least three hours in a reducing atmosphere with the axis of the coil upright, the tension when coiling the steel plate into the coil is set to be ≥ 69 MPa, the dew point of the atmosphere in the temperature range of ≥ 900°C of the final finish annealing is set to be ≤ 20°C, and the temperature-rise rate in the temperature range of ≥ 900°C is set to be ≤ 15°C/h.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于一贯地制造具有非常低的铁损和高磁通密度的优异电磁材料的技术，其能够防止在制造中的最终成品退火之后的线圈的下端处的粘附含Cr的晶粒取向磁钢板。解决方案：在一种晶粒取向磁钢板的制造方法中，包括以下步骤：对含有2.5-4.5％Si，0.01-0.50％Cr和抑制剂形成元素的钢坯进行加热和热轧 ; 通过一次或两次或多次冷轧（包括退火）将钢坯轧制至最终厚度，对钢板进行退火退火，将钢板卷绕在具有涂覆在钢板表面上的退火分离剂的线圈中; 并且在线圈的轴线的还原气氛中，在≥1100℃的温度下进行至少3小时的净化，进行线圈的最终成品退火，将钢板卷绕到线圈中时的张力设定为 ≥69MPa时，最终退火温度范围≥900℃的气氛露点设定为≤20℃，设定温度范围≥900℃的升温速度 ≤15℃/ h。版权所有（C）2005，JPO＆NCIPI

45. 发明专利

JP2004353054A Production method for grain-oriented magnetic steel sheet with good magnetic properties and film properties 有权
公开(公告)号：JP2004353054A
公开(公告)日：2004-12-16
申请号：JP2003153989
申请日：2003-05-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： WATANABE MAKOTO , TAKAMIYA TOSHITO , MURAKI MINEO , NAKANISHI TADASHI
IPC分类号： C23C22/00 , C21D9/46 , H01F1/16 , H01F1/18
CPC分类号： Y02P10/212
摘要： PROBLEM TO BE SOLVED: To stabilize and improve the magnetic properties and film properties of a grain-oriented magnetic steel sheet by rationalizing magnesia used as the main agent of an annealing separating agent by utilizing an evaluation method mentioned in a specific literature. SOLUTION: The grain-oriented magnetic steel sheet is produced by subjecting a steel slab containing 2.0-4.0 mass% Si to the following steps: a hot rolling step; a cold rolling step or a plurality of cold rolling steps with process annealing steps introduced therebetween, to give a steel sheet with a final thickness; a primary re-crystallization annealing step; a step for coating the surface of the steel sheet with an anneal separating agent; and a final finish annealing step. The anneal separating agent contains, as the main component, magnesia having an activity distribution with an expected value μ(A) of 3.4-3.7 and a standard deviation σ(A) of 2.0-2.6. COPYRIGHT: (C)2005,JPO&NCIPI

46. 发明专利

JP2004068084A Non-grain-oriented electromagnetic steel sheet with high magnetic-flux density for rotating machine, and member for rotating machine 有权
公开(公告)号：JP2004068084A
公开(公告)日：2004-03-04
申请号：JP2002229251
申请日：2002-08-06
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NAKANISHI TADASHI , TAKAMIYA TOSHITO , KONO MASAKI
IPC分类号： B21B3/02 , C21D8/12 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/60 , H01F1/16 , H02K1/02
CPC分类号： C22C38/004 , C21D8/12 , C21D2211/004 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/12 , C22C38/60 , H01F1/16 , H02K1/02
摘要： PROBLEM TO BE SOLVED: To provide a non-grain-oriented electromagnetic steel sheet with high magnetic-flux density, which gives high magnetic-flux density and high strength to a rotor material, and high magnetic-flux density and low core loss to a stator material, even though the rotor material and the stator material are simultaneously collected from the same steel sheet, and to provide a member for a rotating machine made thereof. SOLUTION: The non-grain-oriented electromagnetic steel sheet with high magnetic-flux density for the rotating machine comprises, by mass ratio, 0.1-1.2% Si, 0.005-0.30% Mn, each limited amount of 0.0050% or less C (including zero), 0.0004% or less sol.Al (including zero) and 0.0030% or less N (including zero), and the balance Fe with unavoidable impurities; and has ductile non-metallic inclusions as to inhibit grain growth dispersed in the steel sheet at a number density of 1,000 pieces/cm 2 or less (including zero), wherein the ductile non-metallic inclusions as to inhibit the grain growth mean inclusions having a length of 3×D to 9×D, when a mean diameter of recrystallized particles in the finally annealed steel sheet is defined as D. COPYRIGHT: (C)2004,JPO

47. 发明专利

JP2019094571A 方向性電磁鋼板およびその製造方法审中-公开
公开(公告)号：JP2019094571A
公开(公告)日：2019-06-20
申请号：JP2019024684
申请日：2019-02-14
申请人： JFE STEEL CORP
发明人： WATANABE MAKOTO , TAKAMIYA TOSHITO , TERAJIMA TAKASHI , SUEHIRO RYUICHI , YOSHIZAKI SOICHIRO
IPC分类号： C22C38/00 , C21D8/12 , C21D9/46 , C22C38/04 , C22C38/60 , C23C22/00 , C23C22/78
摘要：【課題】磁気特性に優れるだけでなく、歪取焼鈍後の被膜特性にも優れる方向性電磁鋼板を提供するとともに、その製造方法を提案する。【解決手段】mass%でC:0.03〜0.08%、Si:2.5〜4.5%およびMn:0.03〜0.30%を含有する鋼素材を熱間圧延して熱延板とし、冷間圧延し、一次再結晶焼鈍を兼ねた脱炭焼鈍を施した後、鋼板表面に焼鈍分離剤を塗布し、仕上焼鈍する一連の工程からなる方向性電磁鋼板の製造方法において、上記最終板厚とする冷間圧延から脱炭焼鈍までの間において、鋼板表面に平均粒径が70nm以下の金属粒子を25個/μm2以上析出させることによって、フォルステライト質下地被膜表面をEPMAでマッピング分析したときのO強度の標準偏差が平均値の0.15以下である方向性電磁鋼板を得る。【選択図】図1

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