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1. 发明专利

JP2007308771A Method for manufacturing high-strength steel sheet superior in shape freezability 审中-公开
标题翻译：用于制造高强度钢板的形状方法
公开(公告)号：JP2007308771A
公开(公告)日：2007-11-29
申请号：JP2006139781
申请日：2006-05-19
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SUGIYAMA MASAAKI , IKEMATSU YOICHI , UENISHI AKIHIRO , SUGIURA NATSUKO
IPC分类号： C22C38/00 , B21B3/00 , C21D9/46 , C22C38/38 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a high-strength steel sheet which has a ferrite structure of ≥60%, has a tensile strength of 500 MPa or more, can stably reduce an amount of spring back after having been formed, and is superior in shape freezability.
SOLUTION: In a high-strength steel sheet containing a ferrite structure of ≥60% and having a tensile strength of 500 MPa or more, the high-strength steel sheet superior in shape freezability has a structure in which two or more dislocation cell structures each lined up in one direction intersect with each other in a deformed region after the steel sheet has been deformed with a strain of 20% or more, and contains ferrite crystal grains of ≥50%.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决问题的方案为了提供具有≥60％的铁素体结构的抗拉强度为500MPa以上的高强度钢板，能够稳定地减少形成后的回弹量，具有优异的形状可熔性。解决方案：在具有≥60％的铁素体结构并且拉伸强度为500MPa以上的高强度钢板中，形状可熔性优异的高强度钢板具有两个以上的位错在钢板已经变形20％以上的变形后，在一个方向上排列的单元结构在变形区域相交，并且含有≥50％的铁素体晶粒。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2007263738A Evaluation method of processing/hardening characteristics of ferrite steel sheet 有权
标题翻译：铁素体钢板加工/硬化特性评价方法
公开(公告)号：JP2007263738A
公开(公告)日：2007-10-11
申请号：JP2006089080
申请日：2006-03-28
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： IKEMATSU YOICHI , SUGIYAMA MASAAKI , UENISHI AKIHIRO , SUGIURA NATSUKO
IPC分类号： G01N23/04
摘要： PROBLEM TO BE SOLVED: To provide a method capable of accurately evaluating the processing/curing characteristics of a high strength ferrite steel sheet with a tensile strength of 400 MPa or above.
SOLUTION: After the presence ratio of ferrite crystal particles comprising a displacement cell structure, wherein displacement cells having the same directionality are arranged, is measured in the region receiving plastic deformation of the molded ferrite steel sheet, the processing/hardening characteristics of the ferrite steel sheet are evaluated on the basis of the presence ratio of the ferrite crystal particles.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够精确评价拉伸强度为400MPa以上的高强度铁素体钢板的加工/固化特性的方法。解决方案：在模制的铁素体钢板的塑性变形区域中测量包括具有相同方向性的位移单元的位移单元结构的铁素体晶体颗粒的存在比，加工/硬化特性基于铁素体晶粒的存在比来评价铁素体钢板。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007031840A Hot-rolled steel sheet excellent in paint-baking hardenability and resistance to natural aging and its production method 有权
标题翻译：热轧钢板优良的耐腐蚀性和耐天然老化及其生产方法
公开(公告)号：JP2007031840A
公开(公告)日：2007-02-08
申请号：JP2006239441
申请日：2006-09-04
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YOSHINAGA NAOKI , TAKAHASHI MANABU , SUGIURA NATSUKO , MIYASAKA AKIHIRO , SUGIYAMA MASAAKI
IPC分类号： C22C38/00 , C21D9/46 , C22C38/12 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide hot-rolled steel sheet which has a good paint-baking hardenability and resistance to natural aging. SOLUTION: The hot-rolled steel sheet comprises, by mass, 0.0001-0.20% C, ≤2.0% Si, ≤3.0% Mn, ≤0.15% P, ≤0.015% S, ≤0.20% Al, 0.001-0.10% N, at least one element chosen from Cr, Mo and V, and the balance being Fe and unavoidable impurities, wherein the relations: 0.52Al/N COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有良好的油漆烘烤淬透性和耐自然老化性的热轧钢板。解决方案：热轧钢板按质量计包含：0.0001-0.20％C，≤2.0％Si，≤3.0％Mn，≤0.15％P，≤0.015％S，≤0.20％Al，0.001-0.10 ％N，选自Cr，Mo和V中的至少一种元素，余量为Fe和不可避免的杂质，其中关系：0.52Al / N <10，Cr≤2.5％，Mo≤1.0％，V≤0.1％和（Cr + 3.5Mo + 39V）≥0.1。钢板在BH170下具有≥45MPa的强度，在施加2％的拉伸变形，然后在170℃下进行20分钟的热处理，并且在BH160两者下的强度为≥35MPa的强度下评价施加2％的拉伸变形，然后在160℃下进行10分钟的热处理，然后在施加2％拉伸变形，然后在150℃下热处理10分钟后评价BH150，并且屈服点在100℃下进行热处理1小时后进行拉伸试验时的伸长率≤0.6％。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006249561A High strength extrafine steel wire having excellent ductility 有权
标题翻译：具有优异强度的高强度钢丝绳
公开(公告)号：JP2006249561A
公开(公告)日：2006-09-21
申请号：JP2005071814
申请日：2005-03-14
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TAKAHASHI ATSUSHI , TARUI TOSHIZO , SUGIYAMA MASAAKI , TASHIRO HITOSHI
IPC分类号： C22C38/00 , C22C38/58
CPC分类号： D07B1/066 , D07B2205/3042 , D07B2205/3057 , D07B2801/10
摘要： PROBLEM TO BE SOLVED: To provide a high strength steel wire having extremely excellent tensile strength and ductility. SOLUTION: In the high strength steel wire having excellent ductility, the average width of planar ferrite is ≤15 nm, and also, the average C concentration in the central part of the ferrite is ≤0.2 mass%. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有非常优异的拉伸强度和延展性的高强度钢丝。解决方案：在延展性优良的高强度钢丝中，平面铁素体的平均宽度≤15nm，铁素体中心部的平均C浓度≤0.2质量％。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2005036271A Strain age hardening type steel excellent in cold non-aging property, and its production method 审中-公开
标题翻译：应变年限硬化型钢优于冷轧非金属材料及其生产方法
公开(公告)号：JP2005036271A
公开(公告)日：2005-02-10
申请号：JP2003199409
申请日：2003-07-18
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MARUYAMA NAOKI , SENUMA TAKEHIDE , SUGIYAMA MASAAKI
IPC分类号： C23C2/02 , C21D9/46 , C22C38/00 , C22C38/16 , C22C38/60 , C23C2/06 , C23C2/28
摘要： PROBLEM TO BE SOLVED: To provide strain age hardening type steel combining a BH (Bake Hardening) quantity of ≥40 MPa and cold non-aging properties, and to provide its production method.
SOLUTION: The strain age hardening type steel excellent in cold non-aging properties has a composition comprising, by mass, ≤0.1% C, ≤1.0% Si, 0.1 to 3.0% Mn, ≤0.1% P, ≤0.1% S, 0.6 to 3.0% Cu, 0.1 to 3.0% Ni, ≤0.02% Al and 0.0015 to 0.018% N, satisfying the relation of N/Al>0.55, and further comprising solid solution N and solid solution C by 0.0015 to 0.0080% in total, and the balance Fe with inevitable impurities. Further, the area of Cu precipitates and Fe boundaries in a ferritic structure is ≥1[μm
2 /μm
3 ] per unit volume, the area ratio of the ferritic phase is ≥85%, and the variation in yield point elongation ΔYP-El by aging at 100°C for 1 hr is ≤0.6%.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供应变时效硬化型钢，结合BH（烘烤硬化）量≥40MPa和冷非老化性能，并提供其制造方法。解决方案：冷非老化性优异的应变时效硬化型钢具有以质量计≤0.1％C，≤1.0％Si，0.1〜3.0％Mn，≤0.1％P，≤0.1％的组成， S，0.6〜3.0％的Cu，0.1〜3.0％的Ni，≤0.02％的Al和0.0015〜0.018％的N，满足N / Al> 0.55的关系，进一步包括固溶体N和固溶体C为0.0015〜0.0080％总计，余量为Fe与不可避免的杂质。此外，铁素体结构中的Cu析出物和Fe边界的面积为每单位体积的≥1[μm 2 /μm 3 ]，铁素体相的面积比为 ≥85％，通过在100℃下老化1小时，屈服点伸长率ΔYP-E1的变化为≤0.6％。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2009266586A Local area temperature measuring device for focused ion-beam device, and temperature measuring method in local area 有权
标题翻译：用于聚焦离子束装置的本地区域温度测量装置和局部区域的温度测量方法
公开(公告)号：JP2009266586A
公开(公告)日：2009-11-12
申请号：JP2008114346
申请日：2008-04-24
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SUGIYAMA MASAAKI
IPC分类号： H01J37/317 , G01K1/14
摘要： PROBLEM TO BE SOLVED: To provide a local area temperature measuring device for a focused ion-beam device and a temperature measuring method in a local area capable of accurately measuring the temperature in a microscopic region adjoining to a measuring eyesight.
SOLUTION: The local area temperature measuring device for a focused ion-beam device is equipped at least with a contact-type temperature measuring unit capable of being mounted to and dismounted from the focused ion-beam device having a beam-assist depositional function, and mounted on the extremity of a holder in the local area temperature measuring device; an insulating guide to protect the contact-type temperature measuring unit; and a fine drive controller to expose the contact-type temperature measuring unit from the insulating guide. Further, the method is also provided for measuring the temperature in the local area using the local area temperature measuring device for the focused ion-beam device.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够精确测量与测量视力相邻的微观区域中的温度的局部区域中的聚焦离子束装置的局部区域温度测量装置和温度测量方法。解决方案：用于聚焦离子束装置的局部区域温度测量装置至少装备有接触式温度测量单元，其能够被安装到具有束辅助沉积的聚焦离子束装置和从其中拆卸功能，并安装在局部温度测量装置的支架的末端; 绝缘导向器，用于保护接触式温度测量单元; 以及精细驱动控制器，以使接触型温度测量单元从绝缘引导件露出。此外，还提供了使用用于聚焦离子束装置的局部区域温度测量装置来测量局部区域中的温度的方法。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2006317379A Cause judging method of surface appearance abnormality of hot dip galvanized steel sheet 审中-公开
标题翻译：引起热镀锌钢板表面外观异常的判断方法
公开(公告)号：JP2006317379A
公开(公告)日：2006-11-24
申请号：JP2005142336
申请日：2005-05-16
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KONDO HIROYUKI , SUGIYAMA MASAAKI
IPC分类号： G01N21/63 , C23C2/06 , C23C2/26
摘要： PROBLEM TO BE SOLVED: To provide an evaluation method having resolving power and sensitivity sufficient to evaluate the extremely slightly difference of the concentration of a component in the depth direction and face direction up to the matrix interface of a steel sheet from the surface of a plating layer and capable of rapidly and certainly specifying the cause of the local surface appearance abnormality in a hot dip galvanized steel sheet.
SOLUTION: Each of the visually observed appearance abnormal part and appearance normal part on the surface of the hot dip galvanized steel sheet is irradiated with a pulse laser at least at one analyzing point and an emission spectrum is subjected to spectroscopic analysis at every pulse with respect to each analyzing point to respectively measure the emission intensity of a plating principal component and the emission intensity of the principal component of the steel sheet. The data related to the plating thickness obtained from the pulse time series profile of the emission intensity of the plating principal component is compared with the data related to the concentration distribution in a depth direction of the component at every analyzing point to judge the cause of the appearance abnormality on the surface of the hot dip galvanized steel sheet.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有分辨力和灵敏度的评估方法，该评估方法足以评估从表面到钢板的深度方向和面方向上的组分的浓度与钢板的基质界面的极小的差异的镀层，并且能够迅速且确定地指定热浸镀锌钢板中的局部表面外观异常的原因。
解决方案：至少在一个分析点，用脉冲激光照射热浸镀锌钢板表面上的每个视觉观察到的外观异常部分和外观正常部分，并且每个发射光谱在每个分析点进行光谱分析相对于各分析点的脉冲，分别测定镀层主成分的发光强度和钢板的主要成分的发光强度。将与电镀主成分的发光强度的脉冲时间序列曲线获得的电镀厚度相关的数据与在每个分析点处的部件的深度方向上的浓度分布相关的数据进行比较，以判断热浸镀锌钢板表面出现异常现象。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2004307984A Cold rolled steel sheet with excellent coating/baking hardenability and natural aging resistance, and its manufacturing method 有权
公开(公告)号：JP2004307984A
公开(公告)日：2004-11-04
申请号：JP2003106786
申请日：2003-04-10
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SUGIYAMA MASAAKI , TAKAHASHI ATSUSHI , SAWADA HIDEAKI , TANIGUCHI YUICHI
IPC分类号： C21D9/46 , C22C38/00 , C22C38/14
摘要： PROBLEM TO BE SOLVED: To provide a cold rolled steel sheet having excellent coating/baking hardenability and natural aging resistance, and also to provide its manufacturing method.
SOLUTION: The cold rolled steel sheet excellent in coating/baking hardenability and natural aging resistance has a composition which consists of 0.001 to 0.01% C, 0.01 to 2% Mn, 0.005 to 0.1% Si, 0.001 to 0.1% P, 0.001 to 0.03% S, 0.01 to 0.1% Al, 0.001 to 0.01% N, 0.001 to 0.1% Ti and the balance Fe with inevitable impurities and in which respective contents of C, Ti and N satisfy 0.002 16 to 1×10
18 pieces/cm
3 and the maximum length of the precipitates is 5 to 10 nm.
COPYRIGHT: (C)2005,JPO&NCIPI

9. 发明专利

JP2003321728A High tensile strength steel for welding having excellent toughness in ultrahigh heat input weld heat affected zone and production method thereof 审中-公开
标题翻译：用于焊接超高压输入焊接加热区域的高强度钢的高强度钢及其生产方法
公开(公告)号：JP2003321728A
公开(公告)日：2003-11-14
申请号：JP2002125530
申请日：2002-04-26
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SHIGESATO GENICHI , SUGIYAMA MASAAKI , KOJIMA AKIHIKO , UEMORI RYUJI
IPC分类号： C21C7/04 , C22C38/00 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide high tensile strength steel for welding which has excellent toughness in an ultrahigh heat input, weld heat affected zone, and to provide a production method thereof.
SOLUTION: The high tensile strength steel for welding having excellent toughness in an ultrahigh heat input, weld heat affected zone has a composition containing, by mass, 0.04 to 0.2% C, 0.02 to 0.4% Si, 0.6 to 2% Mn, ≤0.02% P, 0.001 to 0.008% S, 0.0005 to 0.01% Al, 0.005 to 0.025% Ti, 0.0005 to 0.01% Ca, 0.0001 to 0.01% Mg, 0.002 to 0.008% N and 0.0005 to 0.008% O, and the balance Fe with inevitable impurities. The particles of TiN with a particle diameter of 0.01 to 0.5 μm and including Mg-containing oxides are present by ≥10,000 pieces/mm
2 , and the particles of Mn sulfide with a particle diameter of 0.1 to 10 μm and including 1 to 49 atomic % Ca are contained by 10 to 400 pieces/mm
2 .
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供在超高输入，焊接热影响区域中具有优异韧性的用于焊接的高抗拉强度钢，并提供其制造方法。解决方案：在超高热输入，焊接热影响区具有优异的韧性的高强度焊接用高强度钢，其组成含有质量为0.04〜0.2％的C，0.02〜0.4％的Si，0.6〜2％的Mn ，≤0.02％P，0.001〜0.008％S，0.0005〜0.01％的Al，0.005〜0.025％的Ti，0.0005〜0.01％的Ca，0.0001〜0.01％的Mg，0.002〜0.008％的N和0.0005〜0.008％的O，平衡Fe与不可避免的杂质。粒径为0.01〜0.5μm，含有Mg的氧化物的TiN粒子以≥10,000个/ mm 2的比例存在，并且粒径为0.1〜10的Mn硫化物粒子并且包含1至49原子％的Ca含有10至400个/ mm 2 / SP。版权所有（C）2004，JPO

10. 发明专利

JP2003003236A Cold rolled steel sheet for deep drawing having excellent denting resistance 有权
标题翻译：用于具有优异耐污性的深冲的冷轧钢板
公开(公告)号：JP2003003236A
公开(公告)日：2003-01-08
申请号：JP2001190148
申请日：2001-06-22
申请人： National Institute For Materials Science , Nippon Steel Corp , 新日本製鐵株式会社 , 独立行政法人物質・材料研究機構
发明人： SUGIYAMA MASAAKI , OKADA MORIHIRO , SENUMA TAKEHIDE , KUSUMI KAZUHISA , HOUNO KAZUHIRO , PIN DEHAI
IPC分类号： C22C38/00 , C22C38/28
摘要： PROBLEM TO BE SOLVED: To provide a steel sheet for deep drawing, which has excellent denting resistance. SOLUTION: In the cold rolled steel sheet for deep drawing having excellent denting resistance, the surface layer part to a depth of
摘要翻译：要解决的问题：提供具有优异耐凹陷性的深拉伸钢板。解决方案：在具有优异耐凹陷性的深拉深冷轧钢板中，从表面到板厚度的<20％深度的表面层部分具有以质量计含有<= 0.005％C，0.005〜 0.1％N，0.05〜1.5％Mn，0.01〜1％Si，0.001〜0.1％，≤0.005％S，0.005〜0.2％Al，0.02〜0.4％Ti和0.005〜0.2％Cr，余量为Fe 不可避免的杂质，此外，由Ti，Cr和N组成的平面析出物分散在表层部分。优选地，平面析出物的长轴的直径为2〜30nm，其厚度为长轴的直径的0.1〜0.5倍。

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