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41. 发明专利

JP2005281787A High strength cold rolled steel sheet having excellent adhesion of coating film and workability 有权
标题翻译：高强度冷轧钢板，具有优异的涂膜和粘合性
公开(公告)号：JP2005281787A
公开(公告)日：2005-10-13
申请号：JP2004098520
申请日：2004-03-30
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： OMIYA YOSHINOBU , KAMITSUMA SHINJI , KAMURA MANABU , HASHIMOTO IKUO , NOMURA MASAHIRO
IPC分类号： C22C38/00 , C22C38/06
摘要： PROBLEM TO BE SOLVED: To provide a high strength cold rolled steel sheet having adhesion of a coating film and workability, and having a tensile strength of ≥550 MPa.
SOLUTION: The cold rolled steel sheet is composed of a steel sheet with a composite structure satisfying a prescribed composition and containing prescribed amounts of ferrite, bainite and retained austenite. In the surface of the steel sheet, (I) Mn-Si multiple oxides with a major axis of 0.01 to 5 μm in which the atomic ratio between Mn and Si (Mn/Si) is ≥0.5 are present by ≥10 pieces/100 μm
2 , and further, the coating ratio of oxides consisting mainly of Si to the surface of the steel sheet is ≤10%, and/or (II), when the cross-sections near the surface of the steel sheet are observed by 2,000 magnifications using an SEM (Scanning Electron Microscope), in optional 10 fields, cracks with a width of ≤3 μm and a depth of ≥5 μm are not present.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有涂膜粘附性和加工性，并且拉伸强度≥550MPa的高强度冷轧钢板。解决方案：冷轧钢板由具有规定组成的复合结构的钢板构成，含有规定量的铁素体，贝氏体和残余奥氏体。在钢板表面，Mn（Si / Si）的原子比≥0.5的长轴为0.01〜5μm的（I）Mn-Si多重氧化物存在≥10个/ 100个另外，主要由Si构成的氧化物与钢板的表面的比例为≤10％，和/或（II），当表面附近的截面为使用SEM（扫描电子显微镜），在可选的10个场中观察2000张放大倍率的钢板，不存在宽度≤3μm，深度≥5μm的裂纹。版权所有（C）2006，JPO＆NCIPI

42. 发明专利

JP2004211152A High-strength iron-base material with high frictional force, and manufacturing method therefor 审中-公开
公开(公告)号：JP2004211152A
公开(公告)日：2004-07-29
申请号：JP2002381839
申请日：2002-12-27
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： YAGUCHI HIROSHI , NOMURA MASAHIRO , NISHI SEIJI
IPC分类号： B22D19/00 , B22D19/14 , B22D23/00 , C22C33/04 , C22C38/00 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a high-strength iron-base material with high frictional force, which shows little decrease of frictional force even after a long period of use, and to provide a method for reliably manufacturing the iron-base material.
SOLUTION: In the iron-base material having compounds containing at least one element selected from among groups 4a and 5a elements dispersed in a matrix made of iron or a ferro-alloy, the high-strength iron-base material with the high frictional force is characterized in that the above compound is at least one compound selected from the group consisting of carbides, borides, nitrides and composite compounds thereof, and occupies 5 to 30 area% by average, and that when L is defined as the envelope circumference length of the above compounds having a maximum diameter of 2 μm or larger in a cross section of the iron-base material, and M as the real circumference length of the above compounds, an abundance ratio of the compounds having the circumference length ratio (L/M) of 0.80 or less is 50% or more by the number of pieces in the whole compounds having the maximum diameter of 2 μm or larger.
COPYRIGHT: (C)2004,JPO&NCIPI

43. 发明专利

JP2002105588A IRON BASED HIGH RIGIDITY MATERIAL AND ITS PRODUCTION METHOD 审中-公开
公开(公告)号：JP2002105588A
公开(公告)日：2002-04-10
申请号：JP2001224727
申请日：2001-07-25
申请人： KOBE STEEL LTD
发明人： NOMURA MASAHIRO , KAKO HIROSHI
IPC分类号： C22C38/00
摘要： PROBLEM TO BE SOLVED: To obtain an iron based high rigidity material having high rigidity so as to satisfy the Young's modulus of >=210 GPa and further capable of stably exhibiting excellent toughness by attaining the fine uniformization of dispersed compounds and to provide a useful method for producing the same iron based high rigidity material. SOLUTION: In a pseudo-binary phase diagram of an iron based metal and the above dispersed compounds, when the volume fraction of the compounds in the composition in which the liquidus temperature is made the lowest one is defined as X(%), the volume fraction of the above compounds occupied in the iron based high rigidity material lies in the range of (X-5) to (X+3)(%), further, the ratio of the ones with a grain size of =80% by volume fraction, also, the concentration of oxygen in the iron based high rigidity material is =110 J/cm2, and the lowest value in the above measured values is >=50% of the above average value.

44. 发明专利

JPH1062153A METHOD AND DEVICE FOR PREDICTING FERRITE LAYER DEPTH 失效
公开(公告)号：JPH1062153A
公开(公告)日：1998-03-06
申请号：JP22113896
申请日：1996-08-22
申请人： KOBE STEEL LTD
发明人： NOMURA MASAHIRO , MORIMOTO HIROYUKI
IPC分类号： G01B21/08 , G01N33/20
摘要： PROBLEM TO BE SOLVED: To estimate ferrite decarburized depth non-destructively and effectively on the basis of heating conditions and the composition of steel to heat by using a prediction function obtained from an experiment, etc., in advance or from an established formula. SOLUTION: The composition of steel to heat is inputted by a steel composition inputting part 1 such as a keyboard to a predicted function determining part 2 to select a predicted function F. At this time, in the case that the predicted function F corresponding to the composition of steel is stored in a predicted function storing part 21, the predicted function F is selected and outputted to a function transforming part 4. In the case of not stored, the predicted function F is set at a predicted function coefficient computing part 22 by predetermined computation. Next, predetermined heating conditions are set to a heating condition setting part 3 and read in by the function transforming part 4. The values of the predicted function F according to parameters are computed and outputted to a computing part 5. After predetermined computational processing, the prediction of ferrite decarburized depth is completed.

45. 发明专利

JPH03207832A HIGHLY CORROSION-RESISTANT AND HIGH STRENGTH ZR ALLOY 失效
公开(公告)号：JPH03207832A
公开(公告)日：1991-09-11
申请号：JP79390
申请日：1990-01-05
申请人： NUCLEAR FUEL IND LTD , TOKYO ELECTRIC POWER CO , KOBE STEEL LTD
发明人： FURUYA TAKEMI , GOTO MASAKAZU , ITAGAKI NOBORU , NOMURA MASAHIRO , KAWAI KIMIHISA , ABE KATSUHIRO , HARADA MAKOTO
IPC分类号： C22C16/00
摘要： PURPOSE:To obtain the high strength Zr alloy excellent in nodular corrosion resistance and mechanical characteristics by incorporating Zr with specified amounts of Sn, Fe, Cr, Ni and O or furthermore with Nb. CONSTITUTION:Zr is incorporated with, by weight,

46. 发明专利

JP2010242166A Cold rolling roll made from forged steel excellent in toughness 有权
标题翻译：冷轧钢卷由优质钢制成
公开(公告)号：JP2010242166A
公开(公告)日：2010-10-28
申请号：JP2009092190
申请日：2009-04-06
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： NOMURA MASAHIRO , YASUMOTO YASUHIKO , YAMABE DAISUKE , FUJITSUNA NORIYUKI
IPC分类号： C22C38/00 , B21B27/00 , B21B27/02 , C22C38/44
摘要： PROBLEM TO BE SOLVED: To provide a cold rolling roll made from forged steel excellent in toughness whose excellent toughness is secured even without using an expensive element such as micro alloy and without adopting a special manufacturing method, and in which a crack is not generated in rolling even under high load environment.
SOLUTION: The cold rolling roll made from forged steel contains, by mass%, C: 0.6-1.2%, Si: 0.4-0.8%, Mn: 0.4-1.0%, Ni: 0.4-1.0%, Cr: 3.0-6.0%, Mo: 0.2-0.5%, and the remainder consists of Fe and inevitable impurities, an average grain diameter of carbide dispersed in metallic structure of a surface part is 1 μm or less, and area fraction of the dispersed carbide is 5-30%.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：为了提供一种韧性优异的锻造钢的冷轧辊，即使不使用微细合金等昂贵的元素也不会采用特殊的制造方法，因此确保了优异的韧性，并且其中裂纹是即使在高负载环境下也不会产生滚动。解决方案：由锻钢制成的冷轧辊以质量％计含有C：0.6-1.2％，Si：0.4-0.8％，Mn：0.4-1.0％，Ni：0.4-1.0％，Cr：3.0 -6.0％，Mo：0.2〜0.5％，余量由Fe和不可避免的杂质组成，分散在表面部分的金属结构中的碳化物的平均粒径为1μm以下，分散的碳化物的面积率为5 -30％。版权所有（C）2011，JPO＆INPIT

47. 发明专利

JP2009166059A Solid wire for reverse-polarity carbon dioxide gas-shielded arc welding 审中-公开
标题翻译：用于反向极性二氧化碳气体保护电弧焊的固体电线
公开(公告)号：JP2009166059A
公开(公告)日：2009-07-30
申请号：JP2008004867
申请日：2008-01-11
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： ODA ATSUSHI , NOMURA MASAHIRO , TAKEDA HIROYUKI , OGAWA AKIRA , SUZUKI KEIICHI
IPC分类号： B23K35/30
摘要： PROBLEM TO BE SOLVED: To provide a solid wire for the carbon dioxide gas-shielded arc welding capable of reducing generation of spatter as much as possible even during the welding of reverse polarity with a large welding current exceeding 300A when welding a plate formed of mild steel and high-tensile steel of 490 MPa class.
SOLUTION: The solid wire for the carbon dioxide gas-shielded arc welding has a composition containing 0.005-0.15% C, 0.3-1.1% Si, 0.8-2.5% Mn, 0.10-0.35% Ti, and 0.3-1.4% in total of at least one kind of V, Nb or Zr, and the balance iron with inevitable impurities.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了在二氧化碳气体保护电弧焊接中提供实线，即使在焊接板材时焊接超过300A的大的焊接电流时，即使在极性相反的焊接期间也能尽可能地减少飞溅的产生形成490MPa级的低碳钢和高强度钢。
解决方案：二氧化碳气体保护电弧焊的实心线具有含有0.005-0.15％C，0.3-1.1％Si，0.8-2.5％Mn，0.10-0.35％Ti和0.3-1.4％总共有至少一种V，Nb或Zr，余量为铁与不可避免的杂质。版权所有（C）2009，JPO＆INPIT

48. 发明专利

JP2005290440A High strength cold rolled steel sheet having excellent adhesion of coating film and workability 有权
标题翻译：高强度冷轧钢板，具有优异的涂膜和粘合性
公开(公告)号：JP2005290440A
公开(公告)日：2005-10-20
申请号：JP2004104924
申请日：2004-03-31
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KAMITSUMA SHINJI , OMIYA YOSHINOBU , KAMURA MANABU , HASHIMOTO IKUO , NOMURA MASAHIRO
IPC分类号： C22C38/00 , C22C38/04 , C22C38/38
摘要： PROBLEM TO BE SOLVED: To provide a high strength cold rolled steel sheet having excellent adhesion of a coating film and workability, and a tensile strength of ≥390 MPa.
SOLUTION: The cold rolled steel sheet is composed of a steel sheet with a composite structure satisfying prescribed components and essentially consisting of ferrite and bainite and/or carbide, and, (I) in the surface of the steel sheet, Mn-Si multiple oxides in which the atomic ratio between Mn to Si (Mn/Si) is ≥0.5 and having a major axis of 0.01 to 5 μm are present by ≥10 pieces/100 μm
2 , and the coating ratio for the surface of the steel sheet by oxides consisting essentially of Si is ≤10%, and/or (II), when the cross-sections in the vicinity of the surface of the steel sheet is observed by 2,000 magnifications using an SEM (Scanning Electron Microscope), cracks with a width of ≤3 μm and a depth of ≥5 μm are not present in optional 10 fields.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供具有优异的涂膜密合性和加工性，抗拉强度≥390MPa的高强度冷轧钢板。解决方案：冷轧钢板由具有满足规定成分并且基本上由铁素体和贝氏体和/或碳化物组成的复合结构的钢板组成，（I）在钢板表面，Mn- 其中Mn与Si（Mn / Si）之间的原子比≥0.5且长轴为0.01至5μm的Si多重氧化物存在≥10个/100μm 2 ，并且当使用SEM观察钢板表面附近的横截面为2,000倍时，钢板表面的涂层比例基本上由Si组成的氧化物为≤10％，和/或（II）（扫描电子显微镜），可选的10个场中不存在宽度≤3μm，深度≥5μm的裂纹。版权所有（C）2006，JPO＆NCIPI

49. 发明专利

JP2005281785A High strength cold rolled steel sheet having excellent adhesion of coating film and workability 有权
标题翻译：高强度冷轧钢板，具有优异的涂膜和粘合性
公开(公告)号：JP2005281785A
公开(公告)日：2005-10-13
申请号：JP2004098431
申请日：2004-03-30
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KAMURA MANABU , OMIYA YOSHINOBU , KAMITSUMA SHINJI , HASHIMOTO IKUO , NOMURA MASAHIRO
IPC分类号： C22C38/00 , C22C38/14
摘要： PROBLEM TO BE SOLVED: To provide a high strength cold rolled steel sheet having excellent adhesion of a coating film and workability, and having a tensile strength of ≥340 MPa.
SOLUTION: The cold rolled steel sheet satisfies prescribed components and has a ferrite single phase structure. (I) In the surface of the steel sheet, Mn-Si double oxide with a major axis of 0.01 to 5μm in which the atomic ratio between Mn and Si (Mn/Si) is ≥0.5 are present by ≥10 pieces/100 μm
2 , and further, the coating ratio of the oxide essentially consisting of Si to the surface of the steel sheet is ≤10%, and/or (II), at the time when the cross-sections near the surface of the steel sheet are observed by 2,000 magnifications using an SEM (Scanning Electron Microscope), in optional 10 fields, cracks with a width of ≤ 3 μm and a depth of ≥5 μm are not present.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有优异的涂膜密合性和加工性，并且拉伸强度≥340MPa的高强度冷轧钢板。
解决方案：冷轧钢板满足规定的部件，并具有铁素体单相结构。（I）在钢板的表面，Mn和Si（Mn / Si）的原子比≥0.5的长轴为0.01〜5μm的Mn-Si双氧化物存在≥10个/100μm 另外，由Si组成的氧化物与钢板的表面的比例为≤10％和/或（II）时，横截面为使用SEM（扫描电子显微镜）在任意的10个场中观察钢板的表面为2000倍，宽度≤3μm，深度≥5μm的裂纹不存在。版权所有（C）2006，JPO＆NCIPI

50. 发明专利

JP2005274513A Aging state evaluation method for cu-containing steel product and aging treatment method using it 有权
标题翻译：用于含铜产品的老化状态评估方法和使用其的老化处理方法
公开(公告)号：JP2005274513A
公开(公告)日：2005-10-06
申请号：JP2004091763
申请日：2004-03-26
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Kobe Steel Ltd , Nippon Steel Corp , Sumitomo Metal Ind Ltd , 住友金属工業株式会社 , 新日本製鐵株式会社 , 株式会社神戸製鋼所
发明人： NOMURA MASAHIRO , YAGUCHI HIROSHI , YAMASHITA TAKAKO , FUJIOKA MASAAKI , SANO NAOYUKI
IPC分类号： G01N23/06 , C22C38/00 , C22C38/16 , G01N33/20
摘要： PROBLEM TO BE SOLVED: To provide an aging state evaluation method capable of grasping the precipitation state of a Cu-precipitate in the aging treatment process of a Cu-containing steel by use of XAFS measurement method and nondestructively confirming the propriety of aging treatment, and an aging treatment method using it.
SOLUTION: In this method for evaluating the aging state of a steel product containing 1-5 mass% of Cu, when the peak height value at 8.98 KeV in the vicinity of fluorescent X-ray spectrum K absorption edge of Cu constituting a precipitate involved in aging in the steel product, which is measured at ordinary temperature by XAFS method, is within 2.8-3.8 shown by standardized phosphor yield, it is evaluated that the aging treatment is properly performed. According to this, the aging treatment state such as hardness rise of Cu-containing steel product can be nondestructively evaluated without performing a material test such as a tensile test or hardness test which needs sample adjustment, and the propriety of the aging treatment and the quality of Cu-containing aged steel product can be easily confirmed.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够通过使用XAFS测量方法在Cu含量钢的时效处理过程中捕获Cu沉淀物的沉淀状态的老化状态评估方法，并且非破坏性地确认老化的适当性治疗和使用它的老化治疗方法。解决方案：在用于评估含有1-5质量％Cu的钢产品的老化状态的方法中，当Cu的荧光X射线光谱K吸收边缘附近的8.98KeV的峰高值构成为通过XAFS法在常温下测定的钢产品的老化沉淀在通过标准化的磷光体产率表示的2.8-3.8内，评价了适当地进行时效处理。因此，不进行诸如需要进行样品调整的拉伸试验或硬度试验等材料试验，老化处理和质量的适当性等，可以非腐蚀性地评价含铜钢产品的老化处理状态如硬度升高的含铜老化钢产品可以容易地确认。版权所有（C）2006，JPO＆NCIPI

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