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1. 发明专利

JP2010168655A Stainless steel having excellent oil stain resistance and reduced fingerprint visibility 有权
标题翻译：不锈钢具有优异的耐油性和降低手指的可见性
公开(公告)号：JP2010168655A
公开(公告)日：2010-08-05
申请号：JP2009290119
申请日：2009-12-22
申请人： Aichi Steel Works Ltd , 愛知製鋼株式会社
发明人： KUBOTA KAZUMASA , KURIHARA NARIAKI
IPC分类号： C25F3/24 , B24C1/00 , B24C1/04 , C25F3/16
摘要： PROBLEM TO BE SOLVED: To provide a stainless steel which has a pure surface free from a surface covering layer such as a coating on the surface, wherein the pure surface is excellent in both oil stain resistance and reduced fingerprint visibility. SOLUTION: The stainless steel has the pure surface free from the formation of a surface covering layer such as a coating, wherein the surface roughness of the pure surface has the value obtained by dividing a shortwave length roughness (Ra1) as the arithmetic average roughness of a roughness curve in which a wavelength zone is defined by λc contour curve filter=0.025 mm and a λs contour curve filter=2.5 μm, by a length of short wave (RSm1) as the average length of a roughness curve element in the same roughness curve is ≤0.0030, and also, a long wavelength roughness (Ra2) as the arithmetic average roughness of a roughness curve in which a wavelength zone is defined by a λc contour curve filter=0.8 mm and a λs contour curve filter=2.5 μm is ≥0.5 μm. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种不含表面覆盖层的纯表面的表面的不锈钢，其中纯表面具有优异的耐油污性和降低的指纹可视性。解决方案：不锈钢具有没有形成诸如涂层的表面覆盖层的纯表面，其中纯表面的表面粗糙度具有通过将短波长度粗糙度（Ra1）除以算术获得的值，作为算术粗糙度曲线的平均粗糙度，其中波长区域由λc轮廓曲线滤波器= 0.025mm和λs轮廓曲线滤波器=2.5μm定义，以短波长（RSm1）作为粗糙度曲线元素的平均长度相同的粗糙度曲线为≤0.0030，并且作为波长区域由λc轮廓曲线滤波器= 0.8mm定义的粗糙度曲线的算术平均粗糙度的长波长粗糙度（Ra2），λs轮廓曲线滤波器= 2.5μm≥0.5μm。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2010133017A B-added austenitic stainless cast steel having excellent hot workability, and method for producing the same 审中-公开
标题翻译：具有优异热效率的B添加奥氏体不锈钢铸钢及其制造方法
公开(公告)号：JP2010133017A
公开(公告)日：2010-06-17
申请号：JP2009248153
申请日：2009-10-28
申请人： Aichi Steel Works Ltd , 愛知製鋼株式会社
发明人： KUBOTA KAZUMASA
IPC分类号： C22C38/00 , B22F3/115 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a B-added austenitic stainless cast steel which has excellent hot workability, and to provide a method for producing the same.
SOLUTION: The B-added austenitic stainless cast steel comprises B by 0.50 to 1.50 mass% to the total 100 mass% of all elements, the grain size number of proeutectic austenite is ≥7.0, and also, the containing ratio Y(%) of an eutectic structure composed of boride and eutectic austenite has a relation shown by Y≤45.45×C
B (wherein, C denotes the content (mass%) of B comprised in the B-added austenitic stainless cast steel).
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：待解决的问题：提供一种具有优异的热加工性的B添加奥氏体不锈钢铸钢，并提供其制造方法。＆lt; P＆gt;解决方案：B添加奥氏体不锈钢铸造钢包括所有元素的总计100质量％为0.50〜1.50质量％的B，前共晶奥氏体的晶粒数为≥7.0，还含有比例Y ％）由硼化物和共晶奥氏体组成的共晶组织具有Y≤45.45×C B 的关系（其中，C表示B添加奥氏体中所含的B的含量（质量％）不锈钢铸钢）。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2008274386A Surface-treated stainless steel excellent in design characteristics and corrosion resistance and method for producing the same 有权
标题翻译：表面处理不锈钢优良的设计特性和耐腐蚀性及其生产方法
公开(公告)号：JP2008274386A
公开(公告)日：2008-11-13
申请号：JP2007122359
申请日：2007-05-07
申请人： Aichi Steel Works Ltd , 愛知製鋼株式会社
发明人： KUBOTA KAZUMASA , GOTO MANKEI
IPC分类号： C25F3/24 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a surface-treated stainless steel whose corrosion resistance can be markedly improved by electropolishing its surface without deteriorating its design. SOLUTION: The stainless steel excellent in design characteristics and corrosion resistance is obtained by conducting a surface treatment on the surface of an austenitic stainless steel from which scale has been removed after rolling and solution heat treatment. Its surface achieves a surface undulation having a roughness Ra of ≥1.8 μm formed by design characteristics improvement treatment and acquires a passive film having a markedly high Cr content compared to a base metal by an electropolishing treatment and a passivation treatment. The area of Cu-enriched regions observed in pitting parts after a pitting potential measurement test is 0.1 μm 2 per 1.0 cm 2 measured area. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种表面处理的不锈钢，其耐腐蚀性可以通过电抛光其表面而显着改善，而不会使其设计恶化。解决方案：通过对在轧制和固溶热处理后除去氧化皮的奥氏体不锈钢的表面进行表面处理，可以获得优异的设计特性和耐腐蚀性的不锈钢。其表面通过设计特征改进处理形成具有≥1.8μm的粗糙度Ra的表面起伏，并且通过电抛光处理和钝化处理获得与贱金属相比具有显着高的Cr含量的钝化膜。点蚀电位测定试验后，点蚀部分观察到的富Cu区域的面积为每1.0 cm 2测量面积0.1μm 2 。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2005008969A Martensitic stainless steel for high-strength electromagnetic parts 审中-公开
标题翻译：用于高强度电磁部件的马氏体不锈钢
公开(公告)号：JP2005008969A
公开(公告)日：2005-01-13
申请号：JP2003176235
申请日：2003-06-20
申请人： Aichi Steel Works Ltd , 愛知製鋼株式会社
发明人： NAKAGAWA HIDEKI , YOKOTA HIROSHI , KUBOTA KAZUMASA
IPC分类号： C22C38/00 , C22C38/22 , H01F1/14
摘要： PROBLEM TO BE SOLVED: To provide a martensitic stainless steel suitable for high-strength electromagnetic parts which are required to have both of high strength and superior magnetic properties. SOLUTION: The martensitic stainless steel for the high-strength electromagnetic parts comprises, by weight ratio, 0.15-0.45% C, 1.50-3.00% Si, 1.00% or less Mn, 9.0-14.0% Cr, 1.50% or less Mo, and the balance Fe with unavoidable impurities; and includes 10% or less retained austenite, after having been quenched and tempered. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供适用于要求具有高强度和优异磁性能的高强度电磁部件的马氏体不锈钢。解决方案：用于高强度电磁部件的马氏体系不锈钢按重量比包含0.15-0.45％C，1.50-3.00％Si，1.00％以下Mn，9.0-14.0％Cr，1.50％以下 Mo，余量为Fe与不可避免的杂质; 并且在淬火和回火之后包括10％或更少的残余奥氏体。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2014114471A Austenitic stainless steel for high-pressure hydrogen 有权
标题翻译：用于高压氢的奥氏体不锈钢
公开(公告)号：JP2014114471A
公开(公告)日：2014-06-26
申请号：JP2012268309
申请日：2012-12-07
申请人： Aichi Steel Works Ltd , 愛知製鋼株式会社
发明人： KUBOTA KAZUMASA , WATANABE YOSHINORI
IPC分类号： C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide an austenitic stainless steel for high-pressure hydrogen, which does not contain Mo, is inexpensive, and shows low hydrogen embrittlement sensitivity even at -40°C.SOLUTION: The austenitic stainless steel for high-pressure hydrogen includes: by mass%, 0.06% or less C, 1.0% or less Si, 1.7% or less Mn, 0.040% or less P, 0.030% or less S, 8.0% to 13.5% Ni, 16.5% to 20.0% Cr, 0.05% to 0.09% N, and the balance being Fe and unavoidable impurities; and satisfies an expression 1: 3.7Ni+2.5Mn-1.6Cr-0.9Si+266N-33>0.
摘要翻译：要解决的问题：为了提供不含Mo的高压氢的奥氏体不锈钢，价格低廉，即使在-40℃下也显示出低的氢脆性敏感性。解决方案：用于高压氢的奥氏体不锈钢包括：质量％，0.06％以下C，1.0％以下Si，1.7％以下Mn，0.040％以下P，0.030％以下S，8.0％〜13.5％Ni，16.5％〜20.0％Cr， 0.05〜0.09％N，余量为Fe和不可避免的杂质; 满足表达式1：3.7Ni + 2.5Mn-1.6Cr-0.9Si + 266N-33> 0。

6. 发明专利

JP2005164403A Magnetostrictive stress sensor 审中-公开
标题翻译：磁感应应变传感器
公开(公告)号：JP2005164403A
公开(公告)日：2005-06-23
申请号：JP2003403989
申请日：2003-12-03
申请人： Aichi Steel Works Ltd , 愛知製鋼株式会社
发明人： KUBOTA KAZUMASA , NAKAGAWA HIDEKI , YOKOTA HIROSHI
IPC分类号： G01L1/00 , G01L1/12
摘要： PROBLEM TO BE SOLVED: To provide a magnetostrictive stress sensor enabling to measure stress with high precision even when using under environments in which disturbance such as temperature fluctuation or external magnetic field exists. SOLUTION: The magnetostrictive stress sensor, in which an exciting coil 2, to which an exciting current is supplied from an AC power source 5, is provided near a stress receiving part formed using a soft magnetic material 1, is to detect variation of magnetic flux density generated corresponding to changes in magnetic permeability of the soft magnetic material which are caused by applying a stress thereto using a magnet sensor 4 enabling to output signals proportional to the magnetic flux density. The magnetostrictive stress sensor uses a magnet sensor which can output a signal that is proportional to the magnetic flux density without no delay when the magnetic flux density changes as the magnet sensor 4, and comprises a circuit which adds a signal proportional to the amount of the exciting current in the exciting coil to the output signal of the magnet sensor, and/or a circuit which subtracts the output from the magnet sensor according to a reference signal consisting of the amplitude of the exciting current in the exciting coil. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种即使在存在诸如温度波动或外部磁场等干扰的环境下使用时也能够以高精度测量应力的磁致伸缩应力传感器。解决方案：在使用软磁性材料1形成的应力接收部附近设置有从交流电源5供给励磁电流的励磁线圈2的磁致伸缩应力传感器，用于检测变形使用能够输出与磁通密度成比例的信号的磁体传感器4，对应于由施加应力而产生的软磁性材料的磁导率的变化而产生的磁通密度。磁致伸缩应力传感器使用磁传感器，当磁通量密度随着磁传感器4的变化而能够输出与磁通密度成比例的信号而没有延迟，并且包括一个电路，该电路将与励磁线圈中的励磁电流到磁体传感器的输出信号，和/或根据由励磁线圈中的励磁电流的振幅组成的参考信号从磁体传感器中减去输出的电路。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2013213239A Pickling method of stainless steel 有权
标题翻译：不锈钢切割方法
公开(公告)号：JP2013213239A
公开(公告)日：2013-10-17
申请号：JP2012083050
申请日：2012-03-30
申请人： Aichi Steel Works Ltd , 愛知製鋼株式会社
发明人： KUBOTA KAZUMASA , KURIHARA NARIAKI
IPC分类号： C23G1/08 , C23G1/36
摘要： PROBLEM TO BE SOLVED: To provide a pickling method for removing scales generated on a surface of stainless steel by using an acid liquid based on hydrochloric acid and for generating white color without smut adhesion.SOLUTION: A pickling method of stainless steel uses a nitrogen-less and fluorine-less mixed acid liquid comprising hydrochloric acid and hydrogen peroxide, and performs: a new liquid pickling step of performing pickling treatment by using a new liquid of the acid liquid; and a treated liquid pickling step of performing the treated liquid pickling step at least once by using the treated acid liquid which is the acid liquid after used for the pickling treatment in the new liquid pickling step.
摘要翻译：要解决的问题：提供一种通过使用基于盐酸的酸性液体除去不锈钢表面产生的鳞片并产生白色而没有污迹附着的酸洗方法。解决方案：不锈钢的酸洗方法使用氮 - 包含盐酸和过氧化氢的少量无氟混合酸性液体，并且执行：通过使用酸液的新液体进行酸洗处理的新的液体酸洗步骤; 以及处理液体酸洗步骤，通过使用在新的液体酸洗步骤中用于酸洗处理后的酸性液体处理的酸性液体进行至少一次处理的液体酸洗步骤。

8. 发明专利

JP2006241532A Ferritic stainless steel having excellent corrosion resistance and ductility, and its production method 有权
标题翻译：具有优异耐腐蚀性和耐腐蚀性的不锈钢及其生产方法
公开(公告)号：JP2006241532A
公开(公告)日：2006-09-14
申请号：JP2005059911
申请日：2005-03-04
申请人： Aichi Steel Works Ltd , 愛知製鋼株式会社
发明人： KUBOTA KAZUMASA , NAKAGAWA HIDEKI
IPC分类号： C22C38/00 , C21D8/02 , C21D8/06 , C22C38/48
摘要： PROBLEM TO BE SOLVED: To enable heat treatment of Mo-containing 18% Cr-based stainless steel undergoing ingot making by refining and having a large wall thickness in the shape in its hot working by solid solution heat treatment equipment for austenitic stainless steel without degrading ductility, and to improve corrosion resistance as well at the same time.
SOLUTION: The ferritic stainless steel having excellent corrosion resistance and ductility contains, by mass%, ≤0.0200% C, 0.70 to 1.00 Si, ≤0.050% Mn, ≤0.040% P, ≤0.025% S, ≤0.60% Cu, ≤0.60% Ni, 17.50% to 20.0 Cr, 0.50 to 1.30% Mo, ≤0.0200% N, ≤0.56% Nb, ≤0.0100% O, ≤0.30% diffusive hydrogen, has (C+N)/Nb:≤0.085, and contains the balance Fe and inevitable impurities, wherein the high ductility can be secured after the heat treatment of heating the steel to a high temperature (1,010 to 1,150°C), then cooling the steel with water.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：待解决的问题：为了使通过精炼进行铸锭制造的含Mo 18％Cr基不锈钢的热处理，并且通过用于奥氏体不锈钢的固溶热处理设备在其热加工中具有大的壁厚形状钢不会降解延展性，同时也提高耐腐蚀性。解决方案：具有优异的耐腐蚀性和延展性的铁素体不锈钢以质量％计含有≤0.0200％C，0.70〜1.00Si，≤0.050％Mn，≤0.040％P，≤0.025％S，≤0.60％Cu ，≤0.60％Ni，17.50％〜20.0Cr，0.50〜1.30％Mo，≤0.0200％N，≤0.56％Nb，≤0.0100％O，≤0.30％扩散氢具有（C + N）/ Nb：≤0.085 ，并且含有余量Fe和不可避免的杂质，其中在将钢加热到高温（1,010至1150℃）的热处理之后可以确保高延展性，然后用水冷却钢。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2005347430A Magnetic core material for ac 审中-公开
标题翻译：电磁芯材
公开(公告)号：JP2005347430A
公开(公告)日：2005-12-15
申请号：JP2004163975
申请日：2004-06-02
申请人： Aichi Steel Works Ltd , 愛知製鋼株式会社
发明人： KUBOTA KAZUMASA , NAKAGAWA HIDEKI , USUI MAKOTO , HANAI YOSHIYASU
IPC分类号： B22D27/04 , C22C33/04 , C22C38/00 , H01F1/14
摘要： PROBLEM TO BE SOLVED: To provide a magnetic core material for AC having high saturation magnetization, unlimited magnetization direction, low iron loss, and excellent shape flexibility. SOLUTION: This magnetic core material consists of a structure wherein a metal ferromagnetic substance phase consisting of Fe-Si or Fe-Co is separated by a semiconductor phase consisting of FeS. The manufacture thereof is carried out by the casting in a mold with a predetermined shape after the dissolution. At that time, cooling is performed on the condition that the cooling rate of the surface layer is ≤10°C/sec so that FeS crystallizes out like a network to be able to obtain the magnetic core material consisting of the structure wherein the metal ferromagnetic substance phase is separated. More preferably, magnetic annealing is carried out after the cooling. As a result, the magnetic core material with a smaller iron loss can be obtained. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有高饱和磁化强度，无限磁化方向，低铁损和优异形状柔性的AC磁芯材料。解决方案：该磁芯材料由其中由Fe-Si或Fe-Co组成的金属铁磁物质相被由FeS组成的半导体相分离的结构组成。其制造通过在溶解后具有预定形状的模具中的铸造来进行。此时，在表面层的冷却速度≤10℃/秒的条件下进行冷却，使得FeS像网络一样结晶，从而能够获得由以下结构组成的磁芯材料，其中金属铁磁性物质相分离。更优选地，在冷却之后进行磁性退火。结果，可以获得铁损较小的磁芯材料。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2005008971A Martensitic stainless steel for shaft material in torque sensor 审中-公开
标题翻译：用于扭矩传感器轴承的马氏体不锈钢
公开(公告)号：JP2005008971A
公开(公告)日：2005-01-13
申请号：JP2003176847
申请日：2003-06-20
申请人： Aichi Steel Works Ltd , Aisin Seiki Co Ltd , Toyota Central Res & Dev Lab Inc , アイシン精機株式会社 , 愛知製鋼株式会社 , 株式会社豊田中央研究所
发明人： NAKAGAWA HIDEKI , YOKOTA HIROSHI , KUBOTA KAZUMASA , ITOU ATSUNAO , KATO YOSHIO
IPC分类号： G01L3/10 , C22C38/00 , C22C38/34
摘要： PROBLEM TO BE SOLVED: To provide a martensitic stainless steel which stably shows superior performance for a long period and is suitable for a shaft material in a torque sensor.
SOLUTION: The martensitic stainless steel for the torque sensor comprises, by weight ratio, 0.35-0.45% C, 1.80-2.50% Si, 0.60% or less Mn, 10.0-12.0% Cr, 0.70-1.30% Mo and the balance Fe with unavoidable impurities; has hardness of Hv 300 to 400 after having been quenched and tempered; and includes 5% or less retained austenite.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种马氏体不锈钢，其长期稳定地表现出优异的性能，并且适用于扭矩传感器中的轴材料。解决方案：用于扭矩传感器的马氏体不锈钢包括重量比为0.35-0.45％C，1.80-2.50％Si，0.60％或更低的Mn，10.0-12.0％的Cr，0.70-1.30％的Mo和平衡Fe与不可避免的杂质; 淬火回火后的硬度Hv为300〜400; 并且包括5％以下的残留奥氏体。版权所有（C）2005，JPO＆NCIPI

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