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11. 发明专利

JPH1025553A GAIN ORIGINATED SILICON STEEL SHEET FOR GAUGE EXCELLENT IN LOW MAGNETIC FIELD CHARACTERISTICS AND ITS PRODUCTION 失效
公开(公告)号：JPH1025553A
公开(公告)日：1998-01-27
申请号：JP18221196
申请日：1996-07-11
申请人： NIPPON STEEL CORP , NITTETSU PLANT DESIGNING CORP
发明人： MOGI TAKASHI , YAMAZAKI KOJI , KITAGAWA HISAKAZU , NAKAMURA YOSHIO , KUROKI KATSURO , TANAKA OSAMU
IPC分类号： C21D8/12 , C22C38/00 , C22C38/02 , H01F1/16
摘要： PROBLEM TO BE SOLVED: To improve the magnetic characteristics in a low magnetic field of a steel sheet by prescribing the grain diameter of the secondarily recrystallized grains. SOLUTION: According to experiment, by regulating the average diameter of the secondarily recrystallized grains to the range of 5 to 12mm, good magnetic characteristics can be obtd. In the case of less than 5mm, crystal grains deviated from the 111} orientation are largely contained, and they exert undesirable effect. Then, the magnetic wall distance is made narrow as the aforesaid secondarily recrystallized grain diameter is made small. Furthermore, in the case the magnetic flux density is high, the magnetic wall distance is made narrow. Thus, since it is necessary to refine the secondarily recrystallized grain diameter by narrowing the magnetic wall distance, the magnetic wall distance is regulated to 0.2 to 0.8mm, and even in this case, since good magnetic characteristics can not be obtd. in the case of low magnetic flux density, the magnetic flux density is regulated to 1.88(T) or above.

12. 发明专利

JPH0941038A METHOD FOR MEASURING SIZE OF PRIMARILY RECRYSTALLIZED GRAIN OF SILICON STEEL SHEET 失效
公开(公告)号：JPH0941038A
公开(公告)日：1997-02-10
申请号：JP19770995
申请日：1995-08-02
申请人： NIPPON STEEL CORP
发明人： MOGI TAKASHI , YOSHITOMI YASUNARI , ONO MASAO
IPC分类号： C21D8/12
摘要： PROBLEM TO BE SOLVED: To solve the dispersion of core loss value and to improve measuring accuracy, at the time of measuring the size of primarily recrystallized grains based on core loss value measured by applying a magnetic field to a silicon steel sheet, by removing a nitrided layer on the surface of the steel sheet and measuring the core loss value. SOLUTION: Before the start of secondary recrystallization in final-finish annealing after hot rolling, as to the measurement of core loss value in a primarily recrystallized sheet subjected to nitriding treatment, the surface layer to 20μm from the surface of the steel sheet is removed by using a means such as grinding. This is because that the nitrogen content in the sheet width direction of the nitrided steel sheet varies to the average nitrogen content in the whole body, also, the sheet thickness distribution of the nitrogen content is not similar in the sheet width direction, the nitrogen content in the surface layer varies, and this difference causes the dispersion of the measured value of core loss, so the surface layer of the steel sheet in which nitriding variation is present is removed. Moreover, this measuring method is applicable to any parameter measurement related to secondary recrystallizing phenomenohs such as the average grain size, the ratio of coarsened grains and the distribution of the grain size.

13. 发明专利

JPH0867913A SILICON STEEL SHEET SMALL IN CORE LOSS, ITS PRODUCTION AND ITS USING METHOD 失效
公开(公告)号：JPH0867913A
公开(公告)日：1996-03-12
申请号：JP23583994
申请日：1994-08-24
申请人： NIPPON STEEL CORP
发明人： MASUI HIROAKI , MIZOGAMI MASAHITO , MOGI TAKASHI , MATSUO MASAO
IPC分类号： C21D8/12 , C22C38/00 , C22C38/02 , H01F1/16
摘要： PURPOSE: To attain the reduction of core loss by introducing local defects into a grain-oriented silicon steel sheet and generating the residual stress of components in the vertical direction of the face of the steel sheet. CONSTITUTION: A grain-oriented silicon steel sheet contg., by weight, 1 to 7% Si is used, and in the case the [100] bearing (the longitudinal direction of the steel sheet) in the 110}(001) structure is defined as X and the vertical [010] and [001] bearings respectively as Y and Z directions, local defects having the residual stress of components in the vertical direction of the face of the steel sheet in which strain elastic energy Ex, Ey and Ez generated on each main axis thereof satisfy Ex =6MPa. Moreover, as for the introduction of defects, a means in which magnetic energy is applyed to strain elastic energy is a preferable method, and moreover, mechanical methods, energy irradiating methods and electrical and chemical methods can be adopted.

14. 发明专利

JPH07191121A CONTINUOUS MAGNETIC STRAIN MEASURING METHOD AND EQUIPMENT 失效
公开(公告)号：JPH07191121A
公开(公告)日：1995-07-28
申请号：JP33167693
申请日：1993-12-27
申请人： NIPPON STEEL CORP
发明人： MOGI TAKASHI , MIZOGAMI MASAHITO
IPC分类号： G01B11/04 , G01N27/72 , G01R33/18
摘要： PURPOSE:To quantitatively, quickly and conveniently measure magnetic strain all over the length of a magnetic steel plate by applying an alternating magnetic field to the magnetic steel plate during running and injecting a light flux perpendicular to the direction of applying a magnetic field. CONSTITUTION:A magnetic flux is applied from an exciting coil 1 through a core 2 to a sample to be measured. The sample is held down at both ends by a pinch roll 3, prohibited from up-and-down vibration and exposed to laser light irradiated with a laser head 4 fixed upward. The magnetic strain of raw material is previously measured and the amplitude of a steel plate to the raw material is then measured with a measuring instrument. In this case, mechanical measuring conditions such as the tension of the steel plate, a distance between terminals and the thickness of the steel plate are defined to measure magnetic strain as the vibration amplitude of the steel plate. Continuous measurements are made at a constant flux density and a constant steel plate running speed so as to measure the distribution of magnetic strain in the longitudinal direction.

15. 发明专利

JPH06174814A METHOD AND DEVICE FOR MEASURING MAGNETIC STRAIN 失效
公开(公告)号：JPH06174814A
公开(公告)日：1994-06-24
申请号：JP32690092
申请日：1992-12-07
申请人： NIPPON STEEL CORP
发明人： MOGI TAKASHI , YABUMOTO MASAO
IPC分类号： G01R33/18
摘要： PURPOSE:To provide a method and device for measuring magnetic strain with quantitative property and rapidness, which is used for product quality control. CONSTITUTION:A reflecting plate 3 is stuck to a material to be measured and a vibration meter is set up using laser to apply light flux thereto from the normal direction and the slant direction of the plane. The opposite side of a measurement area is fixed to be kept from vibration. The vibration components of signals obtained from the vibration meter as a result of magnetic strain is taken out by a signal processor 7 to evaluate the magnetic strain. Measurement can be made several ten time faster than usual, without altering precision.

16. 发明专利

JPH05222490A GRAIN ORIENTED SILICON STEEL CONTAINING SUPER HIGH 失效
公开(公告)号：JPH05222490A
公开(公告)日：1993-08-31
申请号：JP2948192
申请日：1992-02-17
申请人： NIPPON STEEL CORP
发明人： HONMA HODAKA , MOGI TAKASHI , SUGA YOZO , NOZAWA TADAO
IPC分类号： C22C38/00 , C22C38/02
摘要： PURPOSE:To obtain grain oriented silicon steel sheet where the space factor is high, and the core loss is extremely low and which has low magnetstriction and contains super-high silicon by providing grooves which are approximately normal to the rolling direction at periodic intervals in the steel sheet containing the specified silicon. CONSTITUTION:Grooves are provided at periodic intervals in the direction which is normal or inclined by max. 20 deg. from the normal direction relative to the rolling direction to the steel sheet which contains by weight, 4.0-8.0% Si and inevitable impurities, and the balance substantial impurities. These grooves can be formed by etching or the like, and it is preferable to set the width to be 50mum-1mm, the depth to be 10mum or over, and the interval to be 2-100mm. The insulting film is provided to the steel sheet surface as required. These grooves improve the core loss characteristic by giving the refined magnetic domain effect. This allows the grain oriented silicon steel plate containing super-high silicon and having high space factor, low core loss and low magnetostriction to be obtained.

17. 发明专利

JP2011168824A Method for producing non-oriented silicon steel sheet 有权
标题翻译：生产非导电硅钢板的方法
公开(公告)号：JP2011168824A
公开(公告)日：2011-09-01
申请号：JP2010032542
申请日：2010-02-17
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SHIMAZU TAKAHIDE , HONMA HODAKA , KUROSAKI YOSUKE , MOGI TAKASHI , KOSUGE KENJI , WAKIZAKA TAKEAKI
IPC分类号： C21D9/46 , C21D8/12 , C22C38/00 , C22C38/34
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a non-oriented silicon steel sheet with which the deterioration of pickling property can be restrained. SOLUTION: The method for producing the non-oriented silicon steel sheet includes: a process for continuously annealing a hot-rolled plate composed, by mass, of ≤0.006% C, 0.3-5% Cr, 1-4% Si, 0.4-3% Al, ≤1.5% Mn, ≤0.003% S, ≤0.003% N and the balance Fe with inevitable impurities; a process for pickling the annealed hot-rolled plate; a process for making a cold-rolled sheet by cold-rolling the pickled hot-rolled plate; and a process for recrystallize-annealing the cold-rolled sheet. In the process for annealing the hot-rolled plate, the annealing temperature is controlled to be 900-1,150°C, the atmosphere is controlled to be mainly N 2 , the dew point is controlled to be ≤50°C and the O 2 content is controlled to be ≤1 vol.%. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：提供一种可以抑制酸洗性劣化的非取向硅钢板的制造方法。解决方案：用于制造无取向硅钢板的方法包括：将质量为≤0.006％C，0.3-5％Cr，1-4％Si组成的热轧板连续退火的方法，0.4-3％Al，≤1.5％Mn，≤0.003％S，≤0.003％N，余量为Fe与不可避免的杂质; 对退火的热轧板进行酸洗的方法; 通过冷轧酸洗的热轧板来制造冷轧板的方法; 以及对冷轧板进行再结晶退火的工序。在热轧板的退火处理中，将退火温度控制在900-1,150℃，将气氛控制为主要N 2 ，将露点控制在≤50 ℃，O 2 含量控制在≤1体积％。版权所有（C）2011，JPO＆INPIT

18. 发明专利

JP2008167635A Low-noise motor 审中-公开
标题翻译：低噪音电机
公开(公告)号：JP2008167635A
公开(公告)日：2008-07-17
申请号：JP2007000588
申请日：2007-01-05
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MOGI TAKASHI , HIRAYAMA TAKASHI , YAMAGATA MITSUHARU , YAMAMOTO TOYOKI
IPC分类号： H02K1/06
CPC分类号： Y02T10/641
摘要： PROBLEM TO BE SOLVED: To provide a low-noise motor which suppresses vibration and noise.
SOLUTION: In order to design elongation of a stator steel plate in the motor due to magnetostriction, at the same level as shrinkage of a core shape due to magnetic attraction force acting between a rotor and a stator, 0.5
摘要翻译：要解决的问题：提供抑制振动和噪声的低噪声电动机。解决方案：为了设计由于磁致伸缩引起的电动机中的定子钢板的伸长率，与由转子和定子之间的磁力引起的磁芯收缩率相同的水平，0.5 <（L / D）/λ<1.5，其中钢板的磁致伸缩为λ，外径为D，由于磁吸引力引起的定子收缩率为L.版权所有（C）2008，JPO＆INPIT

19. 发明专利

JP2005304106A Low iron loss internal rotation motor 有权
标题翻译：低铁损失内部旋转电机
公开(公告)号：JP2005304106A
公开(公告)日：2005-10-27
申请号：JP2004112412
申请日：2004-04-06
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KAWACHI TAKESHI , SUZUKI NORIYUKI , TAKEUCHI EIICHI , ABE NORITO , HIRAYAMA TAKASHI , YABUMOTO MASAO , MOGI TAKASHI
IPC分类号： H02K1/02 , H02K1/18
摘要： PROBLEM TO BE SOLVED: To prevent increase in iron loss by distributing compressive stress in the stator, being generated when the stator of a motor is secured to a case, uniformly at a low level.
SOLUTION: In the low iron loss internal rotation motor having a stator and a rotor integrated by laminating a plurality of steel plates punched into a predetermined shape where the rotor is arranged on the inside and the stator is arranged on the outside, the stator is arranged between a fixing flat plate and a case and the flat plate is secured to the case on the outside of the stator.
COPYRIGHT: (C)2006,JPO&NCIPI

20. 发明专利

JP2004327676A Electromagnetic steel sheet for laminated iron core and method for manufacturing the same 有权
公开(公告)号：JP2004327676A
公开(公告)日：2004-11-18
申请号：JP2003119619
申请日：2003-04-24
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MOGI TAKASHI , SAWANO KIYOSHI
IPC分类号： H01F1/18 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To obtain a laminated iron core wherein bond strength between sheets is higher than in the conventional model, peeling does not occur after annealing for removing strain, and perfect insulation performance is assured.
SOLUTION: The ceramic material mainly comprises R
2 O-B
2 O
3 -SiO
2 with R
2 O accounting for ≤45%, and the liquid phase in the ceramic layer accounts for 20-80% in the temperature range of 600-800°C, and ≤20 μm-thick layers are formed of the ceramic material on the surfaces of electromagnetic steel sheets. Core sheets formed by punching through the steel sheets are laminated, and drafted in the temperature range of ≥600 to ≤800°C for the integration of the core sheets by compression.
COPYRIGHT: (C)2005,JPO&NCIPI

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