专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2012026486A Leaf spring 审中-公开
标题翻译：叶子弹簧
公开(公告)号：JP2012026486A
公开(公告)日：2012-02-09
申请号：JP2010164093
申请日：2010-07-21
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HANYA KOJI , SUGIURA NATSUKO , YOSHINAGA NAOKI , SUWA YOSHIHIRO
IPC分类号： F16F1/18 , C22C38/00 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a leaf spring that can improve rigidity, while thinning a plate thickness by lower-cost manufacturing man-hours.SOLUTION: In the leaf spring having a movable plate elastically deformable so as to be bendable in a face-outside direction, related to a movable plate 21, Young's moduli in a face-inside longitudinal direction in a surface layer 31 reaching a depth of α×tfrom the surface 31a of the movable plate, and in a bottom surface 32 reaching a depth of α×tfrom the bottom surface 32a are set to be larger than 215 GPa and ≤290 GPa, and the plate thickness of the movable plate 21 is set to be 0.4 to 9 mm. (Here, α: 0.05 to 0.4, and t: the plate thickness of the movable plate).
摘要翻译：要解决的问题：提供一种能够提高刚性的板簧，同时通过低成本制造工时减薄板厚度。解决方案：在具有弹性变形的可动板的片簧中，与可移动板21有关的可向外侧方向弯曲的可动板，表面层31中的面向内纵向方向的杨氏模量达到从可动板的表面31a的深度α×t O ，并且在深度为α×t O < / SB>设定为大于215GPa，≤2GGPa，可动板21的板厚设定为0.4〜9mm。（这里，α：0.05〜0.4，t ○：可动板的板厚）。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2011195956A High strength thin steel sheet having excellent elongation and hole expansion and method for producing the same 有权
标题翻译：具有优异伸长率和孔膨胀性的高强度薄钢板及其制造方法
公开(公告)号：JP2011195956A
公开(公告)日：2011-10-06
申请号：JP2011040077
申请日：2011-02-25
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： OKAMOTO TSUTOMU , SUGIURA NATSUKO , SANO KOICHI , WAKABAYASHI CHIE , YOSHINAGA NAOKI , KAWASAKI KAORU
IPC分类号： C22C38/00 , B21B3/00 , C21D9/46 , C22C38/60 , C23C2/06 , C23C2/28
摘要： PROBLEM TO BE SOLVED: To provide a high strength thin steel sheet having excellent elongation and hole expansibility while securing its high strength, in the retained austenite steel, and to provided a method for producing the same.SOLUTION: The high strength thin steel sheet having excellent elongation and hole expansibility is characterized in that a steel sheet has a specific steel composition and has a metallic structure mainly comprising ferrite or bainite or tempered martensite, and containing 3 to 20% of a retained austenite phase, and the steel sheet has average C concentration in the austenite phase of 0.6 to 1.2% in a phase boundary in contact with the ferrite phase, the bainite phase and a martensite phase, and includes ≥50% austenite grains in which the central C concentration Cgc of the austenite phase and the concentration Cgb of the austenite grain at the grain boundary are in the range satisfying equation (1): Cgb/Cgc>1.3.
摘要翻译：要解决的问题：提供一种在残留奥氏体钢中确保其高强度而具有优异的伸长率和孔膨胀性的高强度薄钢板，并提供其制造方法。解决方案：高强度薄钢板具有优异的伸长率和孔扩展性的特征在于，钢板具有特定的钢组成，并且具有主要包含铁素体或贝氏体或回火马氏体的金属结构，并且含有3〜20％的残留奥氏体相，并且钢板的平均C 与铁素体相，贝氏体相和马氏体相接触的相边界，奥氏体相中的奥氏体相浓度为0.6〜1.2％，其中奥氏体相的中心C浓度Cgc和奥氏体相的浓度为≥50％晶界的奥氏体晶粒的Cgb在满足式（1）的范围内：Cgb / Cgc> 1.3。

3. 发明专利

JP2011184788A Steel sheet which has excellent balance in elongation and hole expansibility 审中-公开
标题翻译：在延伸和孔扩展性方面具有优异的平衡的钢板
公开(公告)号：JP2011184788A
公开(公告)日：2011-09-22
申请号：JP2010054584
申请日：2010-03-11
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MAEDA DAISUKE , OKAMOTO TSUTOMU , MATSUNO TAKASHI , YOSHINAGA NAOKI , SUGIURA NATSUKO
IPC分类号： C22C38/00 , C21D9/46 , C22C38/14
摘要： PROBLEM TO BE SOLVED: To provide a high strength hot rolled steel sheet which has a tensile strength of ≥780 MPa and has excellent elongation and hole expansibility without incorporating expensive elements therein, and a method for producing the same.
SOLUTION: In the examination regarding a method of improving the hole expansibility of a steel with a composite structure whose hole expansibility has been regarded as low one, the volume ratio of martensite is controlled to
摘要翻译：待解决的问题：提供拉伸强度≥780MPa并具有优异的伸长率和孔扩展性而不在其中包含昂贵元素的高强度热轧钢板及其制造方法。
解决方案：关于提高具有孔扩展性低的复合结构的钢的孔扩展性的方法的检查中，将马氏体的体积比控制为<10％，并且使铁素体平衡化通过Nb和Ti的析出强化，在780MPa级的强度下，在高维度上已经实现了伸长率和孔扩展性的共存。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2011089167A Composite panel having excellent stretch rigidity 有权
标题翻译：具有优异拉伸刚度的复合板
公开(公告)号：JP2011089167A
公开(公告)日：2011-05-06
申请号：JP2009243366
申请日：2009-10-22
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SUGIURA NATSUKO , KOJIMA KOJI , HANYA KOJI , YOSHINAGA NAOKI
IPC分类号： C22C38/00 , B32B15/18 , C21D9/46 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a composite panel in which two steel sheets are stuck, and which has excellent stretch rigidity.
SOLUTION: The composite panel is obtained by sticking a first steel sheet whose Young's modulus in the width direction is high with a second steel sheet in which the Young's modulus in a 55° direction to a rolling direction is high in such a manner that the rolling direction is controlled to 90°. The first steel sheet comprises one or more selected from Ti, Nb, V and B, and in which the X-ray random intensity ratio in the {211} orientation at the 1/2 sheet thickness part is ≥5, and the Young's modulus in the width direction is 225 to 290 GPa. The second steel sheet comprises >1.50 to 10.00% Al, and further comprises one or more selected from Bi, Pb, Sb and Sn, and in which the X-ray random intensity ratio in the {110} orientation in the 1/2 sheet thickness part is ≥6, and the Young's modulus in a 55° direction to the rolling direction is 225 to 290 GPa.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种其中两个钢板被卡住并且具有优异的拉伸刚度的复合板。解决方案：复合板是通过将宽度方向的杨氏模量高的第一钢板与轧制方向的55度方向的杨氏模量相对于轧制方向高的第二钢板轧制方向控制在90°。第一钢板包括选自Ti，Nb，V和B中的一种或多种，并且其中1/2板厚部分的ä211} <011>取向中的X射线随机强度比≥5，宽度方向的杨氏模量为225〜290GPa。第二钢板包含> 1.50〜10.00％的Al，并且还包含选自Bi，Pb，Sb和Sn中的一种或多种，并且其中1 /1≤0.100中的ä110} <001>取向中的X射线随机强度比， 2片厚度部分为≥6，向轧制方向55°方向的杨氏模量为225〜290GPa。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2010285657A Precipitation strengthening type dual phase cold rolled steel sheet, and method for producing the same 有权
标题翻译：降低强度类型的双相冷轧钢板及其制造方法
公开(公告)号：JP2010285657A
公开(公告)日：2010-12-24
申请号：JP2009140472
申请日：2009-06-11
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KAWADA HIROYUKI , SUGIURA NATSUKO , YOSHINAGA NAOKI
IPC分类号： C22C38/00 , B21B3/00 , C21D9/46 , C22C38/14 , C22C38/58 , C23C2/06 , C23C2/28
摘要： PROBLEM TO BE SOLVED: To provide a high strength cold rolled steel sheet having an excellent strength-ductility balance and further having excellent stretch flange formability, and to provide a method for producing the same. SOLUTION: The cold rolled steel sheet has a composition containing, by mass, 0.03 to 0.15% Ti, in which the content of Nb is limited to ≤0.03%, the content of Mo is limited to ≤0.25% and the content of V is limited to ≤0.25%, and satisfying 0.18≤6Ti+25Nb+3Mo+3V≤1.0, and also satisfying 20C+17.1N-5Ti-2.6Nb-2.5Mo-4.7V≥0.6. The Ti-based carbonitrides of 1 to 50 nm are dispersed, the area ratio of ferrite is ≥50%, the area ratio of a hard structure composed of either or both of martensite or bainite or both of them is 5 to 50%, and the total area ratio of the remaining pearlite, residual austenite and cementite is limited to ≤5%. The average grain size of the ferrite is limited to ≤20 μm, and also, the ratio of unrecrystallized ferrite occupied in the ferrite is limited to ≤25%. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供具有优异的强度 - 延展性平衡并且还具有优异的拉伸凸缘成形性的高强度冷轧钢板，并提供其制造方法。＆lt;解决方案＆gt;冷轧钢板具有以质量计含有0.03〜0.15％的Ti的组成，Nb的含量被限制为≤0.03％，Mo的含量被限制在≤0.25％，含量的V限制为≤0.25％，满足0.18≤6Ti+ 25Nb + 3Mo +3V≤1.0，并且也满足20℃+ 17.1N-5Ti-2.6Nb-2.5Mo-4.7V≥0.6。 1〜50nm的Ti系碳氮化物分散，铁素体的面积率≥50％，由马氏体或贝氏体中的任一种或两者组成的硬结构的面积比为5〜50％，剩余的珠光体，残余奥氏体和渗碳体的总面积比限制在≤5％。铁素体的平均粒径限制在≤20μm，铁素体中未再结晶的铁素体的比例限制在≤25％。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2009274571A Automobile frame member 有权
标题翻译：汽车框架会员
公开(公告)号：JP2009274571A
公开(公告)日：2009-11-26
申请号：JP2008127475
申请日：2008-05-14
申请人： Nippon Steel Corp , Toyota Motor Corp , トヨタ自動車株式会社 , 新日本製鐵株式会社
发明人： HANYA KOJI , SUGIURA NATSUKO , YOSHINAGA NAOKI , AOKI NORIHISA , HAMABE TSUTOMU , FUJIKAWA YOSHIHIRO
IPC分类号： B62D25/20 , B21B1/26 , B21B3/00 , B62D25/04 , C21D9/46 , C22C38/00 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide an automobile frame member whose elastic buckling strength is not deteriorated even when a thickness and a weight are reduced without changing a shape of the automobile frame member.
SOLUTION: In automobile frame members 1, 7, 11, 16 constituted by a plurality of plate elements a1-a8 (b1-b4, c1-c6, d1-d4), at least one plate element a1-a8 (b1-b4, c1-c6, d1-d4) is constituted by a plate material having in-plane elastic anisotropy, so as to reinforce an elastic local buckling strength in a material longitudinal direction.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：为了提供即使在不改变汽车框架构件的形状的情况下减小厚度和重量的情况下，其弹性屈曲强度也不会劣化的汽车框架构件。解决方案：在由多个板元件a1-a8（b1-b4，c1-c6，d1-d4）构成的汽车框架件1,7,11,16中至少有一个板件a1-a8（b1 -b4，c1-c6，d1-d4）由具有面内弹性各向异性的板材构成，以增强材料纵向的弹性局部屈曲强度。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2008274395A High young's modulus steel plate and process for production thereof 有权
标题翻译：高年龄钢模板及其生产工艺
公开(公告)号：JP2008274395A
公开(公告)日：2008-11-13
申请号：JP2007288960
申请日：2007-11-06
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： SUGIURA NATSUKO , MARUYAMA NAOKI , TAKAHASHI MANABU , NAKAMURA YOJI , HANYA KOJI
IPC分类号： C22C38/00 , B21B1/26 , B21B3/00 , C21D9/46 , C22C38/14 , C22C38/58 , C23C2/06
CPC分类号： C23C2/40 , C21D6/005 , C21D6/008 , C21D8/0226 , C21D8/0426 , C21D9/46 , C21D2201/05 , C22C38/02 , C22C38/04 , C22C38/12 , C22C38/14 , C23C2/06 , Y10T428/12799
摘要： PROBLEM TO BE SOLVED: To provide a steel plate with a high Young's modulus in the direction of rolling as determined by the static tensile method, and a process for production thereof. SOLUTION: The high Young's modulus steel plate has a composition containing, by mass, 0.005 to 0.200% C, 2.50% or below Si, 0.10 to 3.00% Mn, 0.0100% or below N, 0.005 to 0.100% Nb, and 0.002 to 0.150% Ti and satisfying the relationship, Ti-48/14OE>0.0005, and in which at 1/6 of the plate thickness, the sum of the X-ray random intensity ratios of ä100} and ä110} orientations is 5 or below and the sum of the maximum value of the X-ray random intensity ratios of a group of ä110} to ä110} orientations and the X-ray random intensity ratio of ä211} orientation is 5 or above. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过静态拉伸方法确定的在轧制方向上的高杨氏模量的钢板及其制造方法。解决方案：高杨氏模量钢板具有以质量计含有C：0.005〜0.200％，Si：2.50％以下，Mn：0.10〜3.00％，N：0.0100％以下，Nb：0.005〜0.100％，Nb： 0.002〜0.150％的Ti，并且满足Ti-48 / 14OE> 0.0005的关系，其中板厚的1/6，ä100} <001>和ä110}的X射线随机强度比的总和< 001>取向为5以下，并且Xa110} <111>至ä110} <112>方向的X射线随机强度比的最大值的和与ä211}的X射线随机强度比的和< 111>方向为5以上。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2008110387A Method for producing bake-hardenable cold rolled steel sheet having excellent ductility and cold aging resistance 有权
标题翻译：生产具有优异耐腐蚀性和耐高温耐久性的耐高温冷轧钢板的方法
公开(公告)号：JP2008110387A
公开(公告)日：2008-05-15
申请号：JP2006296022
申请日：2006-10-31
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KAWADA HIROYUKI , SUGIURA NATSUKO , MARUYAMA NAOKI , TAKAHASHI MANABU , SHIRAISHI TOSHIYUKI
IPC分类号： B21B1/22 , B21B13/14 , C21D9/46 , C22C38/00 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a bake-hardenable cold rolled steel sheet having excellent ductility and cold aging resistance, in which the homogeneity of the material in the sheet width direction can be secured without damaging its shape.
SOLUTION: A cold rolled steel sheet in which the total content of a solid solution C and a solid solution N is >0.0005 to 0.0050%, and having a sheet thickness of 0.3 to 2.0 mm and a sheet width of 600 to 2,000 mm is subjected to skin pass rolling at a rolling ratio of 0.1 to
摘要翻译：解决问题的方案：提供一种具有优良的延展性和耐冷时效性的可烘烤硬化性冷轧钢板的制造方法，其中能够确保板材宽度方向上的材料的均匀性而不损害其形状。解决方案：一种冷轧钢板，其中固溶C和固溶N的总含量为> 0.0005至0.0050％，板厚为0.3-2.0mm，板宽为600-2000 mm使用轧机以0.1〜0.8％的滚动比进行表皮轧制。上辊组件和下辊组件中的任一个或两者具有支撑机构，其中直径为30至300mm的工作辊由分为三个或更多个轴向的分支支承辊支撑。轧机设有：用于检测要施加到每个分割后备辊的负载的负载检测装置; 以及一个能够独立地升降分开的支承辊的轧制装置。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2008110386A Method for producing cold rolled steel sheet having excellent ductility and cold aging resistance 有权
标题翻译：生产具有优异耐腐蚀性和耐老化性的冷轧钢板的方法
公开(公告)号：JP2008110386A
公开(公告)日：2008-05-15
申请号：JP2006296021
申请日：2006-10-31
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KAWADA HIROYUKI , SUGIURA NATSUKO , MARUYAMA NAOKI , TAKAHASHI MANABU , SHIRAISHI TOSHIYUKI
IPC分类号： B21B1/22 , B21B3/00 , B21B29/00 , B21B37/00 , B21B37/56
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a cold rolled steel sheet having excellent ductility and cold aging resistance, in which the homogeneity of the material in the sheet width direction can be secured. SOLUTION: A cold rolled steel sheet in which the total of a solid solution C content and a solid solution N content is COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决问题的方案：提供一种具有优异的延展性和耐寒化性的冷轧钢板的制造方法，能够确保材料在片材宽度方向上的均匀性。＆lt;解决方案＆gt;一种冷轧钢板，其中固溶C含量和固溶N含量的总和<0.0010％，板厚为0.3-2.0mm，板宽为600-2,000mm 使用其中工作辊由分为三个或更多个轴向的分割支撑辊支撑的轧机进行以0.1至<0.8％的伸长率的表皮轧制，并且包括：负载检测装置检测要施加到每个分割后备辊的负载; 以及独立地升降每个分开的后备辊的压下装置。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2007146275A Low yield ratio type steel sheet with high young's modulus, hot-dip galvanized steel sheet, galvannealed steel sheet and steel tube, and their manufacturing method 有权
标题翻译：具有高年轻模具，热镀锌钢板，镀锌钢板和钢管的低成本比钢板及其制造方法
公开(公告)号：JP2007146275A
公开(公告)日：2007-06-14
申请号：JP2006116797
申请日：2006-04-20
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HAYASHI KUNIO , SUGIURA NATSUKO , TAKAHASHI MANABU
IPC分类号： C22C38/00 , B21B1/22 , B21B1/26 , B21B3/00 , B21C37/06 , C21D9/46 , C22C38/14 , C22C38/58 , C23C2/06
摘要： PROBLEM TO BE SOLVED: To provide a low yield ratio type steel sheet having excellent Young's modulus in a rolling direction.
SOLUTION: The steel sheet is composed of dual-phase steel, which has a composition containing respectively specified amounts of C, Si, Mn, P, S, Al, N, Mo, Nb, Ti and B and having the balance iron with inevitable impurities and also has a structure containing ferrite or bainite in the largest volume fraction and also containing martensite in 2 to 25% volume fraction. Moreover, the pole density of either or both of the {110} orientation and the {110} orientation in a layer at a depth one-eighth the thickness of the steel sheet is made to ≥10, and Young's modulus in the rolling direction is >230 GPa.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供在轧制方向上具有优异的杨氏模量的低屈服比型钢板。钢板由双相钢组成，其具有分别含有规定量的C，Si，Mn，P，S，Al，N，Mo，Nb，Ti和B并具有余量的组成铁具有不可避免的杂质，并且还具有包含最大体积分数中的铁素体或贝氏体的结构，并且还含有体积分数为2至25体积％的马氏体。此外，厚度为钢板厚度八分之一的层中的ä110} <223>取向和ä110} <111>方向中的任一个或两者的极点密度为≥10，杨氏模量轧制方向> 230GPa。版权所有（C）2007，JPO＆INPIT

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