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1. 发明专利

JP2009270191A Cold rolled steel sheet having excellent deep drawability and method for producing the same 有权
标题翻译：具有优异深度可拉伸性的冷轧钢板及其制造方法
公开(公告)号：JP2009270191A
公开(公告)日：2009-11-19
申请号：JP2009005003
申请日：2009-01-13
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMAGUCHI YUKIKO , SUGIURA NATSUKO , TAKAHASHI ATSUSHI
IPC分类号： C22C38/00 , B21B1/22 , B21B1/26 , B21B3/00 , C21D9/48 , C22C38/14 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a cold rolled steel sheet having excellent deep drawability which is suitable for, in particular, a product such as automotive parts and cans requiring severe control in plane anisotropy, to provide a hot rolled steel sheet as the material thereof, and to provide methods for producing them.
SOLUTION: The cold rolled steel sheet having excellent deep drawability has a composition containing, by mass, >0.005% to 0.020% C and 0.05 to 1.0% Mn, and containing Ti so as to satisfy (4×C+0.035)≤Ti≤(4×C+0.15), wherein the content of Si is limited to ≤0.5%, P to ≤0.1%, S to ≤0.015%, Al to ≤0.5% and N to ≤0.01%, and the balance iron with inevitable impurities, and wherein the X-ray random strength ratio (A) in the {111} orientation and the X-ray random strength ratio (B) in the {111} orientation in the central part of the sheet thickness direction are ≥5, and also, the absolute value |(A)-(B)| in a difference between (A) and (B) is ≤4.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决问题的方案为了提供一种适用于特别是需要严格控制平面各向异性的汽车部件和罐等的产品，具有优良的深冲性的冷轧钢板，以提供热轧钢板作为并提供其制造方法。解决方案：具有优异的深冲性的冷轧钢板具有以质量计含有0.005％至0.020％的C和0.05至1.0％的Mn并且含有Ti以满足（4×C + 0.035） ≤Ti≤（4×C + 0.15），其中Si的含量限制在≤0.5％，P≤0.1％，S至≤0.015％，Al≤0.5％，N≤0.01％铁不可避免的杂质，其中ä111} <112>取向中的X射线随机强度比（A）和ä111} <110>取向中的X射线随机强度比（B）板厚方向为≥5，（A）和（B）之间的绝对值¾（A） - （B）¾为≤4。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2008261029A High-strength hot-rolled steel sheet superior in punching workability, and manufacturing method thereof 有权
标题翻译：高强度热轧钢板超级冲压加工性能及其制造方法
公开(公告)号：JP2008261029A
公开(公告)日：2008-10-30
申请号：JP2007105732
申请日：2007-04-13
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMAGUCHI YUKIKO , TAKAHASHI ATSUSHI , OKAMOTO TSUTOMU
IPC分类号： C22C38/00 , C21D9/46 , C22C38/14
摘要： PROBLEM TO BE SOLVED: To provide a high strength steel sheet which has superior features in punching workability severely required mainly as automobile parts and a high tensile strength of 690 MPa or higher.
SOLUTION: The high-strength hot-rolled steel plate superior in punching workability is characterised by containing, in mass%, 0.01-0.2% of C, 0.01-1.5% of Si, 0.25-3% of Mn; and furthermore containing either of one kind or two kinds or more selected from the group consisting of 0.03-0.2% of Ti, 0.01-0.2% of Nb, 0.01-0.2% of V, 0.01-0.2% of Mo and balance Fe with inevitable impurities; and showing that the segregation amount of C to large angle grain boundaries is 4-10 atms/nm
2 .
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种主要作为汽车部件和690MPa以上的高抗拉强度严格要求的冲压加工性优异的高强度钢板。解决方案：冲压加工性优异的高强度热轧钢板的特征在于以质量％计含有C 0.01-0.2％，Si：0.01〜1.5％，Mn：0.25〜3％并且还含有从0.03-0.2％的Ti，0.01-0.2％的Nb，0.01-0.2％的V，0.01-0.2％的Mo和余量的Fe中选出的一种或两种或更多种之一，不可避免的杂质; 并且表明C与大角度晶界的分离量为4-10atms / nm 2 。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2007262496A High-strength extra-fine steel wire superior in ductility 有权
标题翻译：高强度超细钢丝电缆
公开(公告)号：JP2007262496A
公开(公告)日：2007-10-11
申请号：JP2006089219
申请日：2006-03-28
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TAKAHASHI ATSUSHI , TARUI TOSHIZO , SUGIYAMA MASAAKI
IPC分类号： C22C38/00 , C21D8/06 , C22C38/04 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a high-strength extra-fine steel wire which has as high strength as 4,000 MPa or higher by tensile strength, and as superior ductility as 40% or higher by a draw ratio.
SOLUTION: The high-strength extra-fine steel wire superior in ductility has a tensile strength of 4,000 MPa or higher and is formed of a pearlite structure. In each pearlite colony composing the above pearlite structure, an average space between pearlite lamellae is within a range of 4 to 1 by a ratio of the maximal value to the minimal value.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：通过拉伸强度提供具有4,000MPa以上的高强度的高强度的超细钢丝，并且通过拉伸比提供优异的延展性为40％以上。
解决方案：延展性优异的高强度超细钢丝的拉伸强度为4000MPa以上，由珠光体组织形成。在构成上述珠光体组织的每个珠光体组织中，通过最大值与最小值的比例，珠光体薄片之间的平均间隔在4比1的范围内。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2011162822A Pearlite rail having superior wear resistance and method for manufacturing the same 有权
标题翻译：具有超级耐磨性的PEARLITE RAIL及其制造方法
公开(公告)号：JP2011162822A
公开(公告)日：2011-08-25
申请号：JP2010025572
申请日：2010-02-08
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TAKAHASHI ATSUSHI , UEDA MASAHARU , KOBAYASHI YUKIKO
IPC分类号： C22C38/00 , C21D8/00 , C21D9/04 , C22C38/16 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a pearlite rail for simultaneously improving the wear resistant and ductility of the head in a rail used in a heavy burden railway.
SOLUTION: The pearlite rail having excellent wear resistance and ductility is characterized in that in a steel rail comprising, by mass, 0.65 to 1.20% C and 0.3 to 2.0% Cu, and the balance Fe with inevitable impurities, the content of solid solution Cu in the ferrite phase of a pearlite structure is ≤0.25%, and the hardness of the top of head part is ≥340 Hv.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种珠光体轨道，用于同时提高头部在用于重载铁路的轨道中的耐磨性和延展性。解决方案：具有优异的耐磨性和延展性的珠光体钢轨的特征在于，在含有质量为0.65〜1.20％的C和0.3〜2.0％的Cu，余量为Fe与不可避免的杂质的钢轨中，珠光体结构的铁素体相中的固溶Cu为0.25％以下，头部的顶部硬度≥340Hv。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2008266726A High strength hot rolled steel sheet with excellent blankability, and its manufacturing method 有权
标题翻译：高强度高强度高强度热轧钢板及其制造方法
公开(公告)号：JP2008266726A
公开(公告)日：2008-11-06
申请号：JP2007111563
申请日：2007-04-20
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YAMAGUCHI YUKIKO , TAKAHASHI ATSUSHI , OTSUKA KAZUYA
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 excellent in blankability, which combines excellent stretch-flangeability with ductility and particularly has high strength of ≥690 MPa tensile strength and further can prevent damage of an end face with certainty even in the case where blanking is performed under extremely severe conditions and also to provide its manufacturing method.
SOLUTION: The steel sheet has a composition consisting of, by mass, 0.010 to 0.200% C, 0.01 to 1.50% Si, 0.25 to 3.00% Mn, 0.0002 to 0.0030% B, P in an amount limited to ≤0.05%, one or more kinds among 0.03 to 0.20% Ti, 0.01 to 0.20% Nb, 0.01 to 0.20% V and 0.01 to 0.20% Mo, and the balance Fe with inevitable impurities. In this steel sheet, the sum of an amount of segregation of C and an amount of segregation of B to high angle grain boundaries of ferrite is made to 4 to 10 atms/nm
2 .
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供优异的可拉伸性，优异的拉伸凸缘性和延展性，特别是具有≥690MPa拉伸强度的高强度的高强度热轧钢板，并且还可以防止端面的损伤即使在非常恶劣的条件下进行冲裁的情况下也是确定的，并且还提供其制造方法。钢板的组成为：质量分数为0.010〜0.200％，Si：0.01〜1.50％，Mn：0.25〜3.00％，B：0.0002〜0.0030％，P：0.05％以下的P：，0.03〜0.20％的Ti，0.01〜0.20％的Nb，0.01〜0.20％的V和0.01〜0.20％的Mo中的一种或多种，余量为Fe和不可避免的杂质。在该钢板中，将C的偏析量与B与铁素体的高角度晶界的偏析量的总和设为4〜10atms / nm 2 。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2008261815A Crystal orientation determination device 有权
标题翻译：水晶方位测定装置
公开(公告)号：JP2008261815A
公开(公告)日：2008-10-30
申请号：JP2007106456
申请日：2007-04-13
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KAWAKAMI KAZUTO , TAKAHASHI ATSUSHI , YAMAGUCHI YUKIKO
IPC分类号： G01N27/62
摘要： PROBLEM TO BE SOLVED: To provide a device for easily determining a crystal orientation and a grain boundary angle of an FIM sample even by a less-informed and unexperienced worker, and to provide a device for determining a crystal orientation even for a sample difficult to determine orientation conventionally because a crystal grain size is small.
SOLUTION: The crystal orientation determination device comprises at least an image data fetching means of a field-ion microscope (FIM) image with respect to the crystal grain in a measured sample, a means for rotating a logical crystal orientation pole of an object crystal grain to correspond to a specific crystal orientation pole in the fetched FIM image, a means for determining crystal orientation poles l, m, n of the specific crystal orientation poles from a result of rotating operation, and a means for superimposing and displaying the FIM image and the determined crystal orientation poles l, m, n.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于容易地确定FIM样品的晶体取向和晶界角度的装置，即使是由不太了解和不经验的工作者，并且提供一种用于确定晶体取向的装置，即使对于通常，样品难以确定取向，因为晶粒尺寸小。解决方案：晶体取向确定装置至少包括相对于测量样品中的晶粒的场离子显微镜（FIM）图像的图像数据获取装置，用于旋转测量样本中的晶体取向极的装置物体晶粒对应于取出的FIM图像中的特定晶体取向极，用于从旋转操作的结果确定特定晶体取向极的晶体取向极l，m，n的装置，以及用于叠加和显示 FIM图像和确定的晶体取向极点l，m，n。版权所有（C）2009，JPO＆INPIT

7. 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

8. 发明专利

JP2012012658A Baked hardening hot-rolled steel sheet excellent in burring properties and method for manufacturing the same 有权
标题翻译：烘干硬化热轧钢板及其制造方法
公开(公告)号：JP2012012658A
公开(公告)日：2012-01-19
申请号：JP2010149936
申请日：2010-06-30
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： YOKOI TATSUO , IWAO YUSUKE , TAKAHASHI ATSUSHI , HAJI JUNJI , KONO OSAMU
IPC分类号： C22C38/00 , B21B3/00 , C21D9/46 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a baked hardening hot-rolled steel sheet having tensile strength of 370 to 490 MPa class and excellent in burring properties, and a method for manufacturing the same.SOLUTION: The steel sheet includes components in a predetermined range, satisfies mathematical expression (1) and mathematical expression (2), and includes Fe and unavoidable impurities as the balance. Pro-eutectoid ferrite accounts for 90 area% or more of the microstructure and the balance is the low-temperature transformation phase, the average crystal grain size is 5 to 12 μm and at the same time, the grain boundary occupation rate of cementite the aspect ratio of which is 4.5 or more is 25% or less, the dissolved C concentration in the crystal grain of the microstructure is 0.002 to 0.02%, the average grain size of the precipitate comprising TiC is 1.5 to 3 nm and at the same time, its density is 1×10to 5×10pieces/cm, and the average dislocation density is 10to 10cm.
摘要翻译：待解决的问题：提供拉伸强度为370〜490MPa等级并且具有优异的翻边性能的烘烤硬化热轧钢板及其制造方法。钢板包括预定范围的组分，满足数学式（1）和数学式（2），并且包括Fe和不可避免的杂质作为余量。共析铁素体占组织的90面积％以上，平衡为低温相变相，平均晶粒尺寸为5〜12μm，同时，渗碳体的晶界占有率为比例为4.5以上的组成为25％以下，微观结构的晶粒中溶解的C浓度为0.002〜0.02％，由TiC构成的析出物的平均粒径为1.5〜3nm，同时，其密度为1×10 16 至5×10 17 件/ cm 3 < SP>，平均位错密度为10 11 cm - 2 < / SP>。版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2011026690A Low alloy type high-strength hot-rolled steel sheet, and method for producing the same 有权
标题翻译：低合金型高强度热轧钢板及其制造方法
公开(公告)号：JP2011026690A
公开(公告)日：2011-02-10
申请号：JP2009176596
申请日：2009-07-29
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： KOBAYASHI YUKIKO , TAKAHASHI ATSUSHI , YOKOI TATSUO
IPC分类号： C22C38/00 , C21D9/46 , C22C38/14 , C22C38/16
摘要： PROBLEM TO BE SOLVED: To provide a hot-rolled steel sheet which has a strength of ≥540 MPa and excellent workability and is used for automotive parts or the like, and to provide a method for producing the same. SOLUTION: The low alloy type high-strength hot-rolled steel sheet having a tensile strength of 540 to 650 MPa or more has a composition comprising, by mass, 0.02 to 0.08% C, 0.01 to 1.50% Si and 0.1 to 1.5% Mn, and further comprising 0.03 to 0.06% Ti, and in which Ti/C also satisfies 0.375 to 1.6, and the content of P is limited to ≤0.1%, the content of S is limited to ≤0.005%, the content of Al is limited to ≤0.5% and the content of N is limited to ≤0.009%, and the balance Fe with inevitable impurities, and the average diameter of TiC precipitates is 0.8 to 3 nm, and the average number density is ≥1×10 17 pieces/cm 3 . COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：提供一种强度≥540MPa，加工性优异，用于汽车部件等的热轧钢板，并提供其制造方法。解决方案：拉伸强度为540〜650MPa以上的低合金型高强度热轧钢板，其组成为：质量分数为0.02〜0.08％，Si：0.01〜1.50％，Si：0.1〜 1.5％Mn，进一步含有0.03〜0.06％的Ti，其中Ti / C也满足0.375〜1.6，P含量限制在0.1％以下，S含量限制在≤0.005％以下，含量的Al限制为≤0.5％，N的含量限制在≤0.009％，余量为Fe与不可避免的杂质，TiC析出物的平均直径为0.8〜3nm，平均密度≥1× 10 17 个/ cm 3 。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2008262879A Atom probe device 有权
标题翻译：原子探针装置
公开(公告)号：JP2008262879A
公开(公告)日：2008-10-30
申请号：JP2007106450
申请日：2007-04-13
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： TAKAHASHI ATSUSHI , KAWAKAMI KAZUTO , YAMAGUCHI YUKIKO
IPC分类号： H01J37/285
摘要： PROBLEM TO BE SOLVED: To improve a function of an atom probe device capable of investigating an atom structure in a very minute region by directly measuring atoms one by one.
SOLUTION: This invention provides this atom probe device characterized by including: an electric field ion microscope device; an electric field ion microscope image introduction device introducing an electric field ion microscope image imaged by the electric field ion microscope device; and an electric field ion microscope image analyzer analyzing the introduced electric field ion microscope image.
COPYRIGHT: (C)2009,JPO&INPIT

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