专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明专利

JP2010126771A Method for manufacturing steel 有权
标题翻译：制造钢的方法
公开(公告)号：JP2010126771A
公开(公告)日：2010-06-10
申请号：JP2008303355
申请日：2008-11-28
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAMADA KATSUMI , JODAI TETSUSHI , NORO HISATO , YOKOTA TAKESHI , ISHIDA TOMOHARU , ARAGAKI YUKIHIRO , TAKAMIYA TOSHITO
IPC分类号： C21D9/46 , C21D8/00 , G01N33/20 , G05B19/418
CPC分类号： Y02P80/40
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a steel, with which the suitable feedback or feedforward can be performed according to various cases by quickly finding the manufacturing conditions to be corrected for maintaining target characteristics. SOLUTION: In the manufactured steel, one or more pieces of information on composition of a precipitation and/or inclusion, information on size of the precipitation and/or the inclusion and information on solid-solution quantity of noticed elements, are obtained. In the case when at least one among the pieces of obtained information is out of a prescribed range, at least one of the manufacturing conditions in which one or more among the composition of the precipitation and/or the inclusion, the size of the precipitation and/or the inclusion and the solid-solution quantity of the noticed elements, is corrected. Then, the steel is manufactured with the corrected manufacturing condition. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造钢的方法，通过快速找到要修正的制造条件以保持目标特性，根据各种情况可以进行合适的反馈或前馈。
解决方案：在制造钢中，获得关于沉淀和/或夹杂物的组成的一个或多个信息，关于沉淀尺寸和/或包含物的信息以及关于注意元素的固溶量的信息。在所获得的信息中的至少一个超出规定范围的情况下，在沉淀和/或夹杂物的组成和沉淀的大小中的一个或多个的制造条件和 /或注意元素的夹杂物和固溶体量被校正。然后，用修正的制造条件制造钢。版权所有（C）2010，JPO＆INPIT

22. 发明专利

JP2009167475A High-strength steel sheet and producing method thereof 有权
标题翻译：高强度钢板及其生产方法
公开(公告)号：JP2009167475A
公开(公告)日：2009-07-30
申请号：JP2008007525
申请日：2008-01-17
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： NAKAGAWA KOICHI , YOKOTA TAKESHI , SETO KAZUHIRO , JODAI TETSUSHI , YAMADA KATSUMI
IPC分类号： C22C38/00 , B21B3/00 , C21D9/46 , C22C38/14 , C22C38/38
摘要： PROBLEM TO BE SOLVED: To provide a high-strength steel sheet excellent in the extension and a stretch-flange characteristic after processing, and a producing method thereof. SOLUTION: This steel sheet has a composition composed by mass% of 0.08-0.20% C, 0.2-1.0% Si, 0.5-2.5% Mn, ≤0.04% P, ≤0.005% S, ≤0.05% Al, 0.07-0.20% Ti, 0.05-0.80% V and the balance Fe with inevitable impurities. Then, the metallurgical structure is 60-95% ferrite in the volume occupancy ratio and a second phase is martensite. Further, Ti contained in the precipitating material having COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种加工后的延伸性和拉伸凸缘特性优异的高强度钢板及其制造方法。解决方案：该钢板具有质量％为0.08-0.20％C，0.2-1.0％Si，0.5-2.5％Mn，≤0.04％P，≤0.005％S，≤0.05％Al，0.07 -0.20％Ti，0.05-0.80％V，余量为Fe与不可避免的杂质。然后，冶金结构体积占有率为60-95％铁素体，第二相为马氏体。此外，包含在<20nm尺寸的沉淀材料中的Ti为450-1800质量ppm，V为350-7200质量ppm。版权所有（C）2009，JPO＆INPIT

23. 发明专利

JP2015008634A 微生物試料の観察方法有权
标题翻译： MICROORGANISM样本观察方法
公开(公告)号：JP2015008634A
公开(公告)日：2015-01-19
申请号：JP2013133893
申请日：2013-06-26
申请人： Jfeスチール株式会社 , Jfe Steel Corp
发明人： HAMADA ETSUO , YAMADA KATSUMI
IPC分类号： C12Q1/04
摘要：【課題】微生物試料を煩雑な前処理をすることなく容易に観察する方法を提供する。【解決手段】ショットキー型電子銃を有する環境制御型走査電子顕微鏡を用いて、飽和水蒸気圧下、0℃〜5℃の温度範囲で、加速電圧2kV以上5kV以下、作動距離5mm以上8mm以下の条件で、微生物試料を観察する。【選択図】なし
摘要翻译：要解决的问题：提供一种在不需要复杂的预处理的情况下容易地观察微生物样品的方法。解决方案：使用具有肖特基型电子枪的环境控制扫描电子显微镜，在以下条件下观察微生物样品：在饱和蒸汽压，在0℃-5℃的温度范围内，加速电压为2kV以上5kV以下，操作距离为5mm以上8mm以下。

24. 发明专利

JP2013227611A High strength steel excellent in ssc resistance and method of manufacturing the same 有权
标题翻译：抗高强度高强度钢及其制造方法
公开(公告)号：JP2013227611A
公开(公告)日：2013-11-07
申请号：JP2012099769
申请日：2012-04-25
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAMADA KATSUMI , TANAKA YUJI , ISHIGURO YASUHIDE , EGUCHI KENICHIRO
IPC分类号： C22C38/00 , C21D8/02 , C22C38/32 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive high strength steel that stably combines high strength of at least YS:120 ksi class and SSC excellent resistance.SOLUTION: A steel includes, by mass, 0.25-0.35% of C; 0.10-0.30% of Si; at most 0.80% of Mn; at most 0.010% of P; at most 0.003% of S; 0.003-0.1% of Al; at most 0.0040% of N; 0.5-0.7% of Cr; 0.5-1.0% of Mo; 0.05-0.8% of Cu; 0.015-0.030% of Ti; 0.005-0.025% of Nb; 0.05-0.10% of V; and 0.0005-0.0015% of B, and includes: a composition that contains P, Ti and N, which are regulated to satisfy P/Ti*
摘要翻译：要解决的问题：提供一种廉价的高强度钢，其稳定地结合至少YS：120ksi等级的高强度和SSC优异的耐性。解决方案：钢包含质量为0.25-0.35％的C; 0.10-0.30％的Si; 至多0.80％的锰; 至多0.010％的P; 最多0.003％的S; 0.003-0.1％的Al; 最多0.0040％的N; 0.5-0.7％的Cr; 0.5-1.0％的Mo; 0.05-0.8％的Cu; 0.015-0.030％Ti; 0.005-0.025％的Nb; 0.05-0.10％V; 和0.0005-0.0015％的B，并且包括：调节为满足P / Ti * <1.6（其中，Ti *为（有效Ti量）= Ti-3.4×N）的P，Ti和N的组合物） ; 以及由老γ粒子的平均粒径为12μm以下的回火马氏体相构成的结构。

25. 发明专利

JP2013148580A Sample observation method 有权
标题翻译：样本观察方法
公开(公告)号：JP2013148580A
公开(公告)日：2013-08-01
申请号：JP2012279929
申请日：2012-12-21
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： SUEYOSHI HITOSHI , YAMADA KATSUMI , SATO KAORU , NAKAMICHI JIRO
IPC分类号： G01N23/225 , H01J37/20 , H01J37/28
摘要： PROBLEM TO BE SOLVED: To provide a sample observation method capable of accurately observing a macroscopic dispersion state of a sample comprising a material having a dual-phase structure in which a second phase is dispersed in a parent phase, in terms of a specific phase of the second phase that affects quality of the material.SOLUTION: Provided is a sample observation method for observing, for a sample having a dual-phase structure in which a second phase having a minute internal structure is dispersed in a parent phase, a state of the second phase having a minute internal structure. The sample observation method includes a dispersion state observation step of obtaining a reflection electron image of the sample under the condition where an accelerating voltage is 7kV or more and a capturing angle is 60° or more by using a scanning electron microscope, and observing a dispersion state of the second phase having a minute internal structure.
摘要翻译：要解决的问题：提供一种样品观察方法，其能够精确地观察包含具有第二相分散在母相中的具有双相结构的材料的样品的宏观分散状态，影响材料质量的第二相。解决方案：提供了一种用于观察具有其中具有微小内部结构的第二相分散在母相中的双相结构的样品的样品观察方法，第二阶段具有微小的内部结构。样品观察方法包括：利用扫描型电子显微镜，在加速电压为7kV以上，拍摄角度为60°以上的条件下求出样品的反射电子像的色散状态观察步骤，第二相的状态具有微小的内部结构。

26. 发明专利

JP2013127093A Method of manufacturing high strength steel sheet having superior phosphate treatability 审中-公开
标题翻译：制造具有优越磷酸盐可处理性的高强度钢板的方法
公开(公告)号：JP2013127093A
公开(公告)日：2013-06-27
申请号：JP2011276736
申请日：2011-12-19
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： HAMADA ETSUO , YAMADA KATSUMI
IPC分类号： C23G1/08 , C21D9/46 , C22C38/00 , C22C38/06 , C25D5/26 , C25D5/36 , C25D9/10
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a high strength steel sheet, the method capable of obtaining a superior phosphate treatability, even when having a high amount of Si content.SOLUTION: A method is provided for manufacturing a high strength steel sheet, having a superior phosphate treatability. The method is characterized by removing a steel sheet surface after annealing of ≥0.1 g/mby pickling using a nonoxidizing acid.
摘要翻译：待解决的问题：为了提供高强度钢板的制造方法，即使具有高含量的Si含量，也能够获得优异的磷酸盐处理性的方法。解决方案：提供一种具有优异的磷酸盐处理性的制造高强度钢板的方法。该方法的特征在于通过使用非氧化酸进行酸洗除去退火后的钢板表面≥0.1g/ m 2 SP SP =“POST”> 2 。版权所有（C）2013，JPO＆INPIT

27. 发明专利

JP2013076125A Steel for machine structural use excellent in strength and toughness and method for producing the same 有权
标题翻译：用于机械结构的钢在强度和韧性方面的使用和生产方法
公开(公告)号：JP2013076125A
公开(公告)日：2013-04-25
申请号：JP2011216295
申请日：2011-09-30
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAMADA KATSUMI , SUEYOSHI HITOSHI , SHINPO YUKIO
IPC分类号： C22C38/00 , C21D1/18 , C21D6/00 , C22C38/32 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a steel for machine structural use having excellent toughness.SOLUTION: The steel stock is used as a raw material, which includes, in mass%, 0.18-0.30% of C, 0.10-0.30% of Si, 0.10-0.40% of Mn, 0.015% or less of P, 0.003% or less of S, 0.0040% or less of N, 0.005-0.015% of Ti, 0.13-0.40% of Mo, 0.0005-0.0020% of B, 0.8-1.2% of Cu, and 0.15-0.40% of Cr, wherein Cr and Mn are contained such that Cr (mass%)/Mn (mass%) is more than 0.94, and Mo and B are contained such that Mo (mass%)/B (mass%) is more than 17.5. The raw material is heated to the highest achieving temperature in the range of 900-1,000°C at a heating rate of at least 30°C/s as hardening treatment, maintained for at least 5 seconds, quenched, maintained at a tempering temperature in the range of 480-550°C for at least 30 minutes as tempering treatment, and then air-cooled.
摘要翻译：要解决的问题：提供具有优异韧性的机械结构用钢。钢材以原料为原料，以质量％计，C：0.18〜0.30％，Si：0.10〜0.30％，Mn：0.10〜0.40％，P：0.015％以下， 0.003％以下的N，0.0040％以下的N，0.005-0.015％的Ti，0.13-0.40％的Mo，0.0005-0.0020％的B，0.8-1.2％的Cu和0.15-0.40％的Cr，含有Cr和Mn，Cr（质量％）/ Mn（质量％）大于0.94，Mo和B的含量使得Mo（质量％）/ B（质量％）大于17.5。将原料在900-1,000℃的范围内以至少30℃/ s的加热速率加热至最高达到的温度，作为硬化处理，保持至少5秒钟，淬火，保持在回火温度 480-550℃的范围至少30分钟作为回火处理，然后风冷。版权所有（C）2013，JPO＆INPIT

28. 发明专利

JP2012172238A High strength alloyed hot-dip galvanized hot-rolled steel sheet and method for producing the same 有权
标题翻译：高强度合金热镀锌热轧钢板及其制造方法
公开(公告)号：JP2012172238A
公开(公告)日：2012-09-10
申请号：JP2011037937
申请日：2011-02-24
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： NAKAMICHI JIRO , YAMADA KATSUMI , FUNAKAWA YOSHIMASA
IPC分类号： C22C38/00 , C21D9/46 , C22C38/14 , C22C38/32 , C23C2/06 , C23C2/28 , C23C2/40
摘要： PROBLEM TO BE SOLVED: To provide a high strength alloyed hot-dip galvanized hot-rolled steel sheet excellent in bendability and plating property and having a TS of ≥1,180 MPa, and to provide a method for producing the same.SOLUTION: The high strength alloyed hot-dip galvanized hot-rolled steel sheet has a composition containing, by mass, 0.15-0.25% of C, ≤0.4% of Si, ≤1.0% of Mn, ≤0.03% of P, ≤0.01% of S, ≤0.07% of Al, ≤0.01% of N, ≤0.035% of Ti, and 0.6-1.0% of V, with the balance comprising Fe and inevitable impurities, and has a microstructure in which the area ratio of ferrite phase (F-phase) occupying in the whole matrix is ≥95%, and VC is precipitated in the F-phase, and further the ratio of the number of VCs each having a size less than 10 nm to the total number of VCs is ≥90%, and the amount of V dissolved as a solid solution in steel is ≤0.20 mass%, wherein the size of the VC is the average value of the sizes of VCs each represented by 2×L (L: length of one side of square plate), in the square plate-like VCs observed from [001] orientation of the F-phase as the matrix with a TEM.
摘要翻译：要解决的问题：提供弯曲性和电镀性优异且TS≥1,180MPa的高强度合金化热浸镀锌热轧钢板，并提供其制造方法。解决方案：高强度合金化热浸镀锌热轧钢板具有质量分数为0.15〜0.25％的C，≤0.4％的Si，≤1.0％的Mn，≤0.03％的P ，≤0.01％的S，≤0.07％的Al，≤0.01％的N，≤0.035％的Ti和0.6-1.0％的V，余量包含Fe和不可避免的杂质，并且具有这样的微结构占整个基体的铁素体相（F相）的比例为≥95％，VC在F相中析出，另外，各尺寸小于10nm的VC数与总数的比例的VC≥90％，作为固溶体溶解的V的量为≤0.20质量％，其中VC的大小是VC的尺寸的平均值，各自由2

29. 发明专利

JP2012126928A High-tensile strength fire-resistant steel for structure 有权
标题翻译：用于结构的高强度耐火钢
公开(公告)号：JP2012126928A
公开(公告)日：2012-07-05
申请号：JP2010276703
申请日：2010-12-13
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAMADA KATSUMI , SHINPO YUKIO
IPC分类号： C22C38/00 , C22C38/32
摘要： PROBLEM TO BE SOLVED: To provide a high-tensile strength fire-resistant steel for a structure which is excellent in high-temperature strength and toughness, in which tensile strength is ≥420 MPa, yield strength at 700°C is ≥50% of the yield strength at room temperature and the Charpy absorbed energy of a base material at -40°C is ≥300 J.SOLUTION: The high-tensile strength fire-resistant steel for a structure comprises, by mass, ≤0.003% C, 0.02 to 0.05% Si, ≤0.10% Al, 0.01 to 1.00% Mn, ≤0.010% P, ≤0.003% S, 0.60 to 1.50% Cr, 0.10 to 0.25% Nb, 0.005 to 0.02% Ti, 0.0005 to 0.0020% B, ≤0.004% N and the balance being Fe and inevitable impurities.
摘要翻译：待解决的问题：为了提供一种抗拉强度≥420MPa的高温强度和韧性优异的结构的高抗拉强度耐火钢，700℃下的屈服强度≥ 室温下的屈服强度的50％以及-40℃的基材的夏比吸收能量为≥300J。解决方案：用于结构的高抗拉强度耐火钢， ≤0.003％C，0.02〜0.05％Si，≤0.10％Al，0.01〜1.00％Mn，≤0.010％P，≤0.003％S，0.60〜1.50％Cr，0.10〜0.25％Nb，0.005〜0.02％Ti， 0.0005〜0.0020％B，≤0.004％N，余量为Fe和不可避免的杂质。版权所有（C）2012，JPO＆INPIT

30. 发明专利

JP2011195946A High strength cold-rolled steel sheet excellent in surface appearance and having stable bh characteristic and method of producing the same 有权
标题翻译：高强度冷轧钢板表面外观优异且具有稳定的BH特性及其生产方法
公开(公告)号：JP2011195946A
公开(公告)日：2011-10-06
申请号：JP2010067256
申请日：2010-03-24
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAMADA KATSUMI , YAMASHITA TAKAKO , NAGOSHI MASAYASU , SUGIHARA REIKO
IPC分类号： C21D9/46 , B21B3/00 , C22C38/00 , C22C38/14
摘要： PROBLEM TO BE SOLVED: To provide a high strength cold-rolled steel sheet excellent in surface appearance and having a stable BH (Bake Hardening) characteristic obtained by using Nb-added extra-low carbon steel having a component system nearly the same as that of an IF (Interstitial Free) steel type; and to provide a method of producing the high strength cold-rolled steel sheet.SOLUTION: In the method of producing the high strength cold-rolled steel sheet, a slab having component composition containing, by mass%, 0.002-0.005% C, 0.4-0.6% Si+Al, 0.005-0.05% Mn, ≤0.005% P, ≤0.010% S, 0.035-0.065% Nb, 0.014-0.020% Ti, 0.0005-0.0010% B, ≤0.004% N and the balance Fe with inevitable impurities, is heated to 1,100-1,200°C for ≥30 min, wound at 500°C to
摘要翻译：要解决的问题：提供一种表面外观优异且具有稳定的BH（烘烤硬化）特性的高强度冷轧钢板，该特性是通过使用Nb添加的超低碳钢，其成分体系与 IF（间隙自由）钢型; 并提供一种高强度冷轧钢板的制造方法。在高强度冷轧钢板的制造方法中，具有以质量％计含有0.002-0.005％C，0.4 -0.6％Si + Al，0.005-0.05％Mn，≤0.005％P，≤0.010％S，0.035-0.065％Nb，0.014-0.020％Ti，0.0005-0.0010％B，≤0.004％N，余量为Fe 不可避免的杂质被加热到1100-1200℃≥30分钟，在奥氏体相范围内热轧后在500℃至<600℃下卷绕，以平均升温速度加热至至少750℃ 冷轧后的连续退火处理为≤2℃/秒，在冷却至少650℃，平均冷却速度为20℃/秒至<30℃/秒后进行退火，保持较少在820-850°C超过60秒。

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