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41. 发明专利

JP2009203547A Galvanized steel sheet and manufacturing method therefor 有权
标题翻译：钢化钢板及其制造方法
公开(公告)号：JP2009203547A
公开(公告)日：2009-09-10
申请号：JP2008319131
申请日：2008-12-16
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MAKISUI YOICHI , KAJIYAMA HIROSHI , FUJITA SAKAE , YOSHIMI NAOTO , TADA MASAHIKO , MASUOKA HIROYUKI , HOSHINO KATSUYA , NAGOSHI MASAYASU
IPC分类号： C23C2/26 , C23C2/06 , C23C2/40 , C23C22/53
CPC分类号： C23C2/26 , C23C8/02 , C23C22/53
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a galvanized steel sheet, which can stably manufacture the galvanized steel sheet having superior press moldability even in a short period of time, and to provide the galvanized steel sheet having the superior press moldability. SOLUTION: This method for manufacturing the galvanized steel sheet includes: galvanizing a steel sheet; bringing the surface of the steel sheet in contact with an aqueous solution which contains zinc ions in a range of 5 to 100 g/l in terms of the concentration of the zinc ions, has a pH of 4 to 6, and has a liquid temperature of 20 to 70°C; subsequently holding the galvanized steel sheet for 1 to 60 minutes; washing the galvanized steel sheet with water; and drying the galvanized steel sheet. The solution containing zinc preferably contains, for instance, the sulfate of zinc. Thereby, an oxide layer which has an average thickness of 10 nm or more and contains zinc as a main component is formed on the surface of the steel sheet, and the problem is solved. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供即使在短时间内也可以稳定地制造具有优异的压模成型性的镀锌钢板的镀锌钢板的制造方法，并且提供具有上压机的镀锌钢板成型性。解决方案：该镀锌钢板的制造方法包括：镀锌钢板; 使锌板的表面与锌离子的浓度相对于含有5〜100g / l的锌离子的水溶液接触，pH为4〜6，具有液温 20〜70℃; 随后将镀锌钢板保持1〜60分钟; 用水冲洗镀锌钢板; 并干燥镀锌钢板。含锌的溶液优选含有例如锌的硫酸盐。由此，在钢板表面上形成平均厚度为10nm以上且含有锌为主成分的氧化物层，解决了问题。版权所有（C）2009，JPO＆INPIT

42. 发明专利

JP2009174047A Galvanized steel sheet, and method for producing the same 有权
标题翻译：优质钢板及其制造方法
公开(公告)号：JP2009174047A
公开(公告)日：2009-08-06
申请号：JP2008319132
申请日：2008-12-16
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MAKISUI YOICHI , KAJIYAMA HIROSHI , FUJITA SAKAE , YOSHIMI NAOTO , TADA MASAHIKO , OTSUKA SHINJI , MASUOKA HIROYUKI , HOSHINO KATSUYA
IPC分类号： C23C28/00 , C23C22/06
CPC分类号： C23C22/50 , C23C2/06 , C23C2/20 , C23C2/26 , C23C22/53 , C25D5/48 , Y10T428/265
摘要： PROBLEM TO BE SOLVED: To provide a production method by which a galvanized steel sheet having excellent press formability can be stably produced in a space saving way even under the production condition of high speed, and to provide a galvanized steel sheet having excellent press formability. SOLUTION: The surface of a steel sheet is contacted with an aqueous solution comprising zinc in the range of 1 to 100 g/l in terms of a zinc ions concentration, is next contacted with an aqueous solution of pH 6 to 14, and is thereafter water-washed or dried. As the solution comprising zinc, e.g., a solution comprising the sulfate of zinc can be given. In this way, an oxide layer having the average thickness of ≥10 nm and essentially comprising zinc can be formed on the surface of the steel sheet. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种即使在高速生产条件下也能以节省空间的方式稳定地制造具有优异的压制成形性的镀锌钢板的制造方法，并且提供具有优异的镀锌钢板冲压成型性。解决方案：将钢板的表面与锌离子浓度为1〜100g / l的含锌水溶液接触，接着与pH6〜14的水溶液接触，然后水洗或干燥。由于可以提供包含锌的溶液，例如包含锌硫酸盐的溶液。以这种方式，可以在钢板的表面上形成平均厚度≥10nm并且基本上包含锌的氧化物层。版权所有（C）2009，JPO＆INPIT

43. 发明专利

JP2008285706A Galvannealed steel sheet 有权
标题翻译： GALVANNEALED钢板
公开(公告)号：JP2008285706A
公开(公告)日：2008-11-27
申请号：JP2007130055
申请日：2007-05-16
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NAGOSHI MASAYASU , TANIMOTO WATARU , MASUOKA HIROYUKI , YOSHIMI NAOTO
IPC分类号： C23C2/26 , C23C2/28 , C23C22/06 , C23C28/00
摘要： PROBLEM TO BE SOLVED: To provide a galvannealed steel sheet having excellent press formability.
SOLUTION: The galvannealed steel sheet has an Fe-Zn alloy plating phase at least on one side of the steel sheet, also, the Fe-Zn alloy plating phase has a flat part at the plating face, and oxides essentially consisting of Zn are formed on the surface in the flat part at the average thickness of 10 to 200 nm. Further, particulate-shaped oxides with the average particle diameters of 5 to 500 nm are present at the surface of the plating phase other than the flat part. By the existence of the oxides also at the surface of the plating phase other than the flat part, its friction coefficient and sliding resistance can be reduced even under the condition where facial pressure is high.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异压制成形性的合金化热浸镀锌钢板。解决方案：合金化热浸镀锌钢板在钢板的至少一侧具有Fe-Zn合金镀层相，Fe-Zn合金镀层相在电镀面上具有平坦部分，氧化物基本上由在平坦部分的表面上以10〜200nm的平均厚度形成Zn。此外，平坦粒径为5〜500nm的颗粒状氧化物存在于平坦部以外的电镀相的表面。通过在除了平坦部分之外的电镀阶段的表面存在氧化物，即使在面部压力高的条件下，其摩擦系数和滑动阻力也可以降低。版权所有（C）2009，JPO＆INPIT

44. 发明专利

JP2008184619A Galvannealed steel sheet 有权
标题翻译： GALVANNEALED钢板
公开(公告)号：JP2008184619A
公开(公告)日：2008-08-14
申请号：JP2007016288
申请日：2007-01-26
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NAGOSHI MASAYASU , TANIMOTO WATARU , MASUOKA HIROYUKI , TAIRA SHOICHIRO
IPC分类号： C23C2/06 , C23C22/48 , C23C22/53 , C23C22/82
摘要： PROBLEM TO BE SOLVED: To provide a galvannealed steel sheet which has excellent press formability. SOLUTION: The galvannealed steel sheet has a Fe-Zn alloy plated phase at least on one side. Furthermore, the Fe-Zn alloy plated phase makes particles containing Sn mainly existing in a metallic state as an essential component coexist with an oxide containing Zn as an essential component, in the surface. Furthermore, a deposition amount of Sn is 0.05 g/m2 or more and the average film thickness of the oxide containing Zn as the essential component is 10 nm or more. Thereby, the steel sheet shows excellent slidability when having been press-formed under harsh conditions. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种压制成型性优异的合金化热浸镀锌钢板。解决方案：合金化热浸镀锌钢板至少在一侧具有镀覆Fe-Zn合金的相。此外，Fe-Zn合金镀层使表面含有主要以金属状态存在的主要成分的Sn的主要成分与含有Zn作为必需成分的氧化物共存。此外，Sn的沉积量为0.05g / m 2以上，以Zn为必须成分的氧化物的平均膜厚为10nm以上。因此，当在恶劣条件下进行压制时，钢板表现出优异的滑动性。版权所有（C）2008，JPO＆INPIT

45. 发明专利

JP2008184618A Process for producing hot dip galvannealed steel sheet 有权
标题翻译：生产热镀锌钢板的工艺
公开(公告)号：JP2008184618A
公开(公告)日：2008-08-14
申请号：JP2007016282
申请日：2007-01-26
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： MASUOKA HIROYUKI , YOSHIMI NAOTO , NAGOSHI MASAYASU , TANIMOTO WATARU
IPC分类号： C23C2/26 , C23C2/06 , C23C2/28 , C23C2/40 , C23C28/00
摘要： PROBLEM TO BE SOLVED: To provide a process for producing hot dip galvannealed steel sheet having excellent press formability even for a material having high forming load and easy to generate die galling. SOLUTION: The process for producing the hot dip galvannealed steel sheet comprises depositing a Zn-based oxide layer having a thickness of ≥10 nm on the surface of a galvanized steel sheet by subjecting a steel sheet to hot dip galvanizing and to galvannealing by heating, after temper rolling, bringing the resulting steel sheet into contact with an acid solution, after completing the contact, allowing the steel sheet to stand for 1 to 120 s, and rinsing the steel sheet allowed to stand with water, wherein Sn ions are incorporated in the acid solution. Thus, the oxide layer having a mean thickness of ≥10 nm and containing, as essential components, Zn and metal particles mainly comprising Sn is deposited on the surface of the galvanized steel sheet. The acid solution preferably contains at least one kind of sulfate, nitrate, chloride and phosphate of Sn so that the Sn ion concentration is within a range of 0.1 to 50 g/l. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：即使对于具有高成形载荷的材料并且易于产生模具磨损，也提供具有优异的压制成形性的热浸镀锌合金化钢板的方法。解决方案：制备热浸镀锌合金化钢板的方法包括：通过对钢板进行热浸镀锌和镀锌合金，在镀锌钢板的表面上沉积厚度≥10nm的Zn基氧化物层通过加热，在回火轧制之后，使得到的钢板与酸溶液接触，接触完成后，使钢板静置1〜120秒，并用水漂洗钢板，其中Sn离子并入酸溶液中。因此，平均厚度≥10nm并含有作为必要成分的Zn和主要包含Sn的金属颗粒的氧化物层沉积在镀锌钢板的表面上。酸溶液优选含有Sn的至少一种硫酸盐，硝酸盐，氯化物和磷酸盐，使得Sn离子浓度在0.1至50g / l的范围内。版权所有（C）2008，JPO＆INPIT

46. 发明专利

JP2007138231A Hot dip galvannealed steel sheet manufacturing method, and hot dip galvannealed steel sheet 有权
标题翻译：热镀锌钢板制造方法和热镀锌钢板
公开(公告)号：JP2007138231A
公开(公告)日：2007-06-07
申请号：JP2005332244
申请日：2005-11-17
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： MASUOKA HIROYUKI , TAIRA SHOICHIRO , NAGOSHI MASAYASU , SUGIMOTO YOSHIHARU
IPC分类号： C23C2/26 , C23C2/06 , C23C2/28
摘要： PROBLEM TO BE SOLVED: To provide a hot dip galvannealed steel sheet manufacturing method of a hot dip galvannealed steel sheet having excellent press-forming property even for a material such as a high-strength hot dip galvannealed steel sheet having high forming load and easy to generate die galling, and the hot dip galvannealed steel sheet. SOLUTION: A steel sheet is subjected to the hot dip galvanizing, and further galvannealing by the heating, and brought into contact with an acid solution after temper rolling. After completing the contact, the steel sheet is naturally left for 1-30 seconds, and rinsed with water. When depositing a Zn-based oxide layer of the thickness of ≥10 nm on the surface of the galvanized steel sheet, Zr ions are contained in the acid solution. Thus, the oxide layer having the mean thickness of ≥10 nm and containing Zn and Zr as essential components is deposited on the surface of the galvanized steel sheet. The acid solution preferably contains at least one kind of sulfate, nitrate, chloride and phosphate of Zr with the Zr ion concentration in a range of 0.1-50 g/l. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供即使对于具有高成形载荷的高强度热浸镀锌钢板的材料也具有优异的压制成形性的热浸镀锌合金化热镀锌钢板的热浸镀锌合金化热镀锌钢板的制造方法并容易产生模具磨损，以及热浸镀锌钢板。解决方案：将钢板进行热浸镀锌，再进行加热合金化，并在回火后与酸液接触。完成接触后，钢板自然放置1-30秒，并用水冲洗。当在镀锌钢板表面上沉积厚度≥10nm的Zn基氧化物层时，在酸性溶液中含有Zr离子。因此，平均厚度≥10nm并含有Zn和Zr作为必要成分的氧化物层沉积在镀锌钢板的表面上。酸溶液优选含有Zr离子浓度在0.1-50g / l范围内的至少一种Zr的硫酸盐，硝酸盐，氯化物和磷酸盐。版权所有（C）2007，JPO＆INPIT

47. 发明专利

JP2007119872A Method for producing galvannealed steel sheet and galvannealed steel sheet 有权
标题翻译：生产钢化钢板和钢铁钢板的方法
公开(公告)号：JP2007119872A
公开(公告)日：2007-05-17
申请号：JP2005315638
申请日：2005-10-31
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OTSUKA SHINJI , TAIRA SHOICHIRO , SUGIMOTO YOSHIHARU , NAKAJIMA SEIJI , MASUOKA HIROYUKI , TANIMOTO WATARU
IPC分类号： C23C2/06 , C23C2/26 , C23C2/28
摘要： PROBLEM TO BE SOLVED: To provide a method for stably producing a galvannealed steel sheet having excellent slidability upon press forming, and exhibiting satisfactory degreasing properties in alkaline degreasing treatment performed before chemical conversion treatment, and to provide the galvannealed steel sheet.
SOLUTION: A steel sheet is galvanized, is galvannealed by a heating treatment, is subjected to skinpass rolling, and is made in contact with an acid solution. After the completion of the contact, the steel sheet is let to alone for 1 to 30 sec, and is washed with water, thus a Zn based oxide layer of ≥10 nm is formed on the surface of the galvanized steel sheet. Thus, the galvannealed steel sheet in which the average thickness of the oxide layer in the surface layer of the flat part in the plated steel sheet is ≥10 nm, and also, the oxide layer comprises Zn and P as essential components can be obtained. Further, the concentration of P in the acid solution is preferably 0.05 to 0.8 mol/l.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决问题的方法：提供一种稳定地制造在压制成形时具有优异的滑动性的合金化热浸镀锌钢板的方法，并且在化学转化处理之前进行的碱性脱脂处理中表现出令人满意的脱脂性能，并提供合金化热浸镀锌钢板。解决方案：将钢板镀锌，通过加热处理进行合金化热浸镀，进行表皮轧制，并与酸溶液接触。接触完成后，将钢板单独1〜30秒，用水洗涤，在镀锌钢板表面上形成≥10nm的Zn基氧化物层。因此，可以获得其中镀覆钢板中的平坦部分的表面层中的氧化物层的平均厚度为≥10nm的合金化热镀锌钢板，并且还可以获得包含Zn和P作为必要组分的氧化物层。此外，P在酸溶液中的浓度优选为0.05〜0.8mol / l。版权所有（C）2007，JPO＆INPIT

48. 发明专利

JP2007016268A Method for manufacturing steel sheet to be excellently degreased, and the steel sheet 有权
标题翻译：制造钢板的方法要好转，钢板
公开(公告)号：JP2007016268A
公开(公告)日：2007-01-25
申请号：JP2005197494
申请日：2005-07-06
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： OTSUKA SHINJI , NAKAJIMA SEIJI , TAIRA SHOICHIRO , SUGIMOTO YOSHIHARU , MASUOKA HIROYUKI
IPC分类号： C23C22/07 , B32B15/01 , C23C22/50 , C23C28/00
摘要： PROBLEM TO BE SOLVED: To provide a method for stably manufacturing a steel sheet which is satisfactorily degreased in an alkaline degreasing treatment that is conducted before chemical conversion treatment, and is satisfactorily chemical-conversion-treated, and to provide the steel sheet.
SOLUTION: This method for manufacturing the steel sheet to be excellently degreased comprises the steps of: making a steel sheet contact with an aqueous solution containing P; and applying oil to the surface. The manufacturing method also comprises the steps of: plating a steel sheet with a Ni-based metal, or making a steel sheet contact with an aqueous solution containing a S compound in an amount of 1 to 1,000 ppm by S concentration; and making the treated sheet contact with the aqueous solution containing P. It is preferable that the aqueous solution containing P contains 0.5 to 5,000 ppm P and has a pH of 4.0 to 12.0.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：待解决的问题：提供一种在化学转化处理之前进行的碱性脱脂处理中稳定地制造令人满意地脱脂的钢板的方法，并且进行了令人满意的化学转化处理，并且提供钢板。解决方案：用于制造钢板的脱脂方法包括以下步骤：使钢板与含有P的水溶液接触; 并向表面涂油。该制造方法还包括以下步骤：用Ni系金属电镀钢板，或使钢板与S浓度为1〜1000ppm的S化合物的水溶液接触; 并且将处理过的片材与含有P的水溶液接触。优选含有P的水溶液含有0.5〜5,000ppm P，pH为4.0〜12.0。版权所有（C）2007，JPO＆INPIT

49. 发明专利

JP2009079291A Galvanized steel sheet 有权
标题翻译：钢化钢板
公开(公告)号：JP2009079291A
公开(公告)日：2009-04-16
申请号：JP2008181082
申请日：2008-07-11
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： MAKISUI YOICHI , KAJIYAMA HIROSHI , FUJITA SAKAE , YOSHIMI NAOTO , TADA MASAHIKO , OTSUKA SHINJI , MASUOKA HIROYUKI , HOSHINO KATSUYA , NAGOSHI MASAYASU , TANIMOTO WATARU , FUJIMOTO KYOKO
IPC分类号： C23C2/06 , C23C2/26
CPC分类号： A61F13/511 , A61F13/5116 , A61F13/51305 , A61F13/51401 , C23C2/26 , C23C22/53 , Y10T428/12611 , Y10T428/12785 , Y10T428/12792 , Y10T428/12799 , Y10T428/265
摘要： PROBLEM TO BE SOLVED: To provide a galvanized steel sheet which is excellent in sliding properties during press molding.
SOLUTION: An oxide layer having a crystalline 3Zn(OH)
2 *ZnSO
4 *xH
2 O is formed on a plating surface, and the oxide layer has a thickness of not less than 10 nm. Specifically, the crystalline oxide layer is composed of 3Zn(OH)
2 *ZnSO
4 *3-5H
2 O.
COPYRIGHT: (C)2009,JPO&INPIT

50. 发明专利

JP2008285705A Galvannealed steel sheet 有权
标题翻译： GALVANNEALED钢板
公开(公告)号：JP2008285705A
公开(公告)日：2008-11-27
申请号：JP2007130054
申请日：2007-05-16
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NAGOSHI MASAYASU , TANIMOTO WATARU , MASUOKA HIROYUKI , TAIRA SHOICHIRO , SUGIMOTO YOSHIHARU
IPC分类号： C23C2/06 , C23C2/26 , C23C2/28 , C23C22/06 , C23C28/00
摘要： PROBLEM TO BE SOLVED: To provide a galvannealed steel sheet having excellent press formability.
SOLUTION: The galvannealed steel sheet has an Fe-Zn alloy plating phase at least on one side of the steel sheet, also, the Fe-Zn alloy plating phase has a flat part at the plating face, and oxides essentially consisting of Zn and comprising Zr in 0.01 to 0.4 by an atomic ratio of Zr/Zn are formed on the surface in the flat part at the average thickness of 10 to 200 nm. For example, in the case of a galvannealed steel sheet in which an oxidizing layer essentially consisting of Zn and comprising Zr in 0.05 by a Zr/Zn ratio is formed by 27.6 nm, its friction coefficient on a pressing load of 400 kgf and a pressing load of 1,500 kgf at a sample temperature of 25°C (room temperature) are 0.128 and 0.098, respectively.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异压制成形性的合金化热浸镀锌钢板。解决方案：合金化热浸镀锌钢板在钢板的至少一侧具有Fe-Zn合金镀层相，Fe-Zn合金镀层相在电镀面上具有平坦部分，氧化物基本上由在平坦部分的表面上以10〜200nm的平均厚度形成Zn并且以Zr / Zn的原子比计含有0.01〜0.4的Zr。例如，在通过27.6nm形成由Zr / Zn比为0.05的Zr主要由Zn构成的含有Zr的氧化层的合金化热镀锌钢板的情况下，其压力负载的摩擦系数为400kgf，在25℃的样品温度（室温）下的负荷为1500kgf，分别为0.128和0.098。版权所有（C）2009，JPO＆INPIT

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