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1. 发明授权

US09044920B2 High strength galvanized steel sheet exhibiting excellent fatigue property 有权
标题翻译：表现出优异的疲劳性能的高强度镀锌钢板
公开(公告)号：US09044920B2
公开(公告)日：2015-06-02
申请号：US13876659
申请日：2011-09-28
申请人： Nobusuke Kariya , Hayato Saito , Takeshi Yokota , Yusuke Fushiwaki
发明人： Nobusuke Kariya , Hayato Saito , Takeshi Yokota , Yusuke Fushiwaki
IPC分类号： B32B15/18 , C23C2/02 , C21D8/04 , C21D9/48 , C21D9/56 , C22C38/00 , C22C38/02 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/38 , C22C38/60 , C23C2/06 , C23C2/28 , C21D8/02
CPC分类号： B32B15/18 , C21D8/0226 , C21D8/0436 , C21D8/0473 , C21D9/48 , C21D9/561 , C21D2211/005 , C21D2211/008 , C22C38/001 , C22C38/02 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/38 , C22C38/60 , C23C2/02 , C23C2/06 , C23C2/26 , C23C2/28 , C23C2/40 , Y10T428/12611 , Y10T428/12618 , Y10T428/1266 , Y10T428/12667
摘要： A high strength galvanized steel sheet having tensile strength of 590MPa or more which is excellent in fatigue property in punching work, and a manufacturing method thereof are provided. The microstructure includes a ferrite phase having an average grain diameter of 15 μm or less and an area fraction of 60% or more and a martensite phase having an area fraction of 5 to 40%, and an amount of one or more kinds of oxide selected from a group consisting of Fe, Si, Mn, Al, P, Nb, and Ti generated on a surface layer portion of the steel sheet within 100 μm in a steel-sheet-side depth direction from a surface of a base steel sheet directly below a galvanized layer is less than 0.060 g/m2 per one-side surface of the steel sheet.
摘要翻译：提供一种拉伸强度为590MPa以上的冲压加工疲劳性优异的高强度镀锌钢板及其制造方法。微观结构包括平均粒径为15μm以下，面积分率为60％以上的铁素体相，面积分数为5〜40％的马氏体相和选择的一种以上的氧化物的量从钢基板表面直接在钢板侧深度方向上在钢板表面层上产生的由Fe，Si，Mn，Al，P，Nb，Ti组成的组中，在镀锌层以下，钢板的单面表面小于0.060g / m 2。

2. 发明申请

US20130280551A1 HIGH STRENGTH GALVANIZED STEEL SHEET EXHIBITING EXCELLENT FATIGUE PROPERTY AND METHOD FOR MANUFACTURING THE SAME 有权
标题翻译：展示优质疲劳性能的高强度钢化板及其制造方法
公开(公告)号：US20130280551A1
公开(公告)日：2013-10-24
申请号：US13876659
申请日：2011-09-28
申请人： Nobusuke Kariya , Hayato Saito , Takeshi Yokota , Yusuke Fushiwaki
发明人： Nobusuke Kariya , Hayato Saito , Takeshi Yokota , Yusuke Fushiwaki
IPC分类号： B32B15/18 , C23C2/02
CPC分类号： B32B15/18 , C21D8/0226 , C21D8/0436 , C21D8/0473 , C21D9/48 , C21D9/561 , C21D2211/005 , C21D2211/008 , C22C38/001 , C22C38/02 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/38 , C22C38/60 , C23C2/02 , C23C2/06 , C23C2/26 , C23C2/28 , C23C2/40 , Y10T428/12611 , Y10T428/12618 , Y10T428/1266 , Y10T428/12667
摘要： A high strength galvanized steel sheet having tensile strength of 590 MPa or more which is excellent in fatigue property in punching work, and a manufacturing method thereof are provided. The microstructure includes a ferrite phase having an average grain diameter of 15 μm or less and an area fraction of 60% or more and a martensite phase having an area fraction of 5 to 40%, and an amount of one or more kinds of oxide selected from a group consisting of Fe, Si, Mn, Al, P, Nb, and Ti generated on a surface layer portion of the steel sheet within 100 μm in a steel-sheet-side depth direction from a surface of a base steel sheet directly below a galvanized layer is less than 0.060 g/m2 per one-side surface of the steel sheet.
摘要翻译：提供了一种拉伸强度为590MPa以上的冲压加工疲劳性优异的高强度镀锌钢板及其制造方法。微观结构包括平均粒径为15μm以下，面积分率为60％以上的铁素体相，面积分数为5〜40％的马氏体相和选择的一种或多种氧化物的量从在钢板侧深度方向上从钢基板表面直接在钢板表面层上产生的由Fe，Si，Mn，Al，P，Nb和Ti组成的组中，在镀锌层以下，钢板的单面表面小于0.060g / m 2。

3. 发明申请

US20130032253A1 HIGH-STRENGTH GALVANIZED STEEL SHEET HAVING EXCELLENT FORMABILITY AND METHOD FOR MANUFACTURING THE SAME 审中-公开
标题翻译：具有优异可塑性的高强度钢化板及其制造方法
公开(公告)号：US20130032253A1
公开(公告)日：2013-02-07
申请号：US13641509
申请日：2011-04-15
申请人： Nobusuke Kariya , Hayato Saito , Takeshi Yokota
发明人： Nobusuke Kariya , Hayato Saito , Takeshi Yokota
IPC分类号： B32B15/01 , C21D8/02 , C23C2/02
CPC分类号： C23C2/06 , B32B15/013 , C21D1/09 , C21D8/0226 , C21D8/0236 , C21D9/46 , C21D2211/005 , C21D2211/008 , C21D2261/00 , C22C38/001 , C22C38/008 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/20 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/38 , C22C38/46 , C22C38/58 , C23C2/28
摘要： A galvanized steel sheet having excellent formability is provided including steel having a composition which contains, on a percent by mass basis, 0.03% to 0.15% of C, less than 0.5% of Si, 1.0% to 2.5% of Mn, 0.05% or less of P, 0.01% or less of S, 0.05% or less of Al, 0.0050% or less of N, 0.05% to 0.8% of Cr, 0.01% to 0.1% of V, and the balance being Fe and inevitable impurities; and a zinc plating film on a surface of a steel sheet, and wherein a microstructure of the steel contains ferrite having an average grain diameter of 15 μm or less and 5% to 40% of martensite in an area ratio, and the ratio of martensite having an aspect ratio of less than 3.0 to all the martensite is more than 95% in area ratio.
摘要翻译：提供具有优异成形性的镀锌钢板，其包括具有以质量％计含有0.03％至0.15％的C，小于0.5％的Si，1.0％至2.5％的Mn，0.05％或较少的P，0.01％以下的S，0.05％以下的Al，0.0050％以下的N，0.05〜0.8％的Cr，0.01〜0.1％的V，余量是Fe和不可避免的杂质; 以及钢板表面的镀锌膜，其特征在于，所述钢的微观组织含有平均粒径为15μm以下的铁素体和面积比为5〜40％的马氏体，并且所述马氏体的比例所有马氏体的长宽比小于3.0的面积比大于95％。

4. 发明申请

US20090308504A1 STEEL SHEET EXCELLENT IN FINE BLANKING PERFORMANCE AND MANUFACTURING METHOD OF THE SAME 审中-公开
标题翻译：优异的细腻性能及其制造方法的钢板
公开(公告)号：US20090308504A1
公开(公告)日：2009-12-17
申请号：US12159017
申请日：2007-01-29
申请人： Nobusuke Kariya , Takeshi Yokota , Nobuyuki Nakamura , Kazuhiro Seto
发明人： Nobusuke Kariya , Takeshi Yokota , Nobuyuki Nakamura , Kazuhiro Seto
IPC分类号： C21D8/02 , C22C38/18 , C22C38/08 , C22C38/00
CPC分类号： C22C38/02 , C22C38/04 , C22C38/22
摘要： A steel sheet excellent in FB performance and also excellent in fabrication performance after FB working and a manufacturing method of the same are provided. The steel sheet is a steel sheet having a composition containing from 0.1 to 0.5% of C, not more than 0.5% of Si and from 0.2 to 1.5% of Mn in terms of % by mass, with P and S being adjusted at proper ranges and having a structure having a ferrite having an average grain size of more than 10 μm and less than 20 μm and a cementite present in the ferrite grain having an average particle size of from 0.3 to 1.5 μm. In this way, the steel sheet becomes a steel sheet excellent in FB performance, mold life and performance (side bend elongation) after FB working.
摘要翻译：提供FB性能优异且FB加工后的制造性能优异的钢板及其制造方法。该钢板是具有以质量％计含有C：0.1〜0.5％，Si：0.5％以下，Mn：0.2〜1.5％的组成的钢板，P和S为适当范围并且具有平均粒度大于10μm且小于20μm的铁素体和平均粒径为0.3〜1.5μm的铁素体晶粒中存在的渗碳体的结构。这样，钢板成为FB加工后FB性能，模具寿命和性能（侧弯伸长率）优异的钢板。

5. 发明申请

US20090173415A1 Steel Sheet Excellent In Fine Blanking Performance and Manufacturing Method of the Same 审中-公开
标题翻译：钢板优良的精细冲裁性能及其制造方法
公开(公告)号：US20090173415A1
公开(公告)日：2009-07-09
申请号：US12159010
申请日：2007-01-29
申请人： Kazuhiro Seto , Takeshi Yokota , Nobuyuki Nakamura , Nobusuke Kariya
发明人： Kazuhiro Seto , Takeshi Yokota , Nobuyuki Nakamura , Nobusuke Kariya
IPC分类号： C21D8/02 , C22C38/00 , C22C38/08
CPC分类号： C21D1/18 , C21D2211/005 , C22C38/02 , C22C38/04
摘要： A steel sheet excellent in FB performance-and also excellent in fabrication performance after FB working and a manufacturing method of the same are provided. The steel sheet is a steel sheet having a composition containing from 0.1 to 0.5% of C, not more than 0.5% of Si and from 0.2 to 1.5% of Mn in terms of % by mass, with P and S being adjusted at proper ranges, and having a structure in which a ferrite has an average grain size of from 1 to 10 μm, cementite has a spheroidization ratio of 80% or more, and of the cementite, an amount Sgb of ferrite intergranular cementite which is defined by the following expression (1): Sgb(%)={Son/(Son+Sin)}×100 (wherein Son represents a total occupied area of cementite present on the ferrite grain boundary of the cementite present per unit area; and Snin represents a total occupied area of cementite present in a ferrite grain of the cementite present per unit area) is 40% or more. In this way, the steel sheet becomes a steel sheet excellent in FB performance, mold life and performance after FB working.
摘要翻译：提供FB性能优异的钢板以及FB加工后的制造性能优异的制造方法及其制造方法。该钢板是具有以质量％计含有C：0.1〜0.5％，Si：0.5％以下，Mn：0.2〜1.5％的组成的钢板，P和S为适当范围并且具有铁素体的平均粒径为1〜10μm的结构，渗碳体的球化率为80％以上，渗碳体为铁素体晶间渗碳体的量Sgb，其由下述定义表达式（1）：Sgb（％）= {Son /（Son + Sin）}×100（其中Son表示存在于每单位面积的渗碳体的铁素体晶界上存在的渗碳体的总占据面积; Snin表示总占用面积存在于每单位面积的渗碳体的铁素体晶粒中的渗碳体的面积为40％以上。这样，钢板成为FB工作后FB性能，模具寿命和性能优异的钢板。

6. 发明授权

US09200352B2 High strength galvannealed steel sheet with excellent appearance and method for manufacturing the same 有权
标题翻译：具有优异外观的高强度合金化热镀锌钢板及其制造方法
公开(公告)号：US09200352B2
公开(公告)日：2015-12-01
申请号：US13057331
申请日：2009-07-28
申请人： Hayato Saito , Hiromi Yoshida , Takeshi Yokota , Yasushi Tanaka
发明人： Hayato Saito , Hiromi Yoshida , Takeshi Yokota , Yasushi Tanaka
IPC分类号： B32B15/01 , B32B15/00 , C23C2/00 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/16 , C22C38/60 , C21D8/04 , C22C38/14 , C23C2/02 , C23C2/06 , C23C2/28
CPC分类号： C22C38/02 , C21D8/0405 , C21D2211/005 , C22C38/001 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/14 , C22C38/16 , C23C2/02 , C23C2/06 , C23C2/28
摘要： A high strength galvanized steel sheet with excellent appearance that does not have non-uniformity of coating or coating defects or allow linear defects to occur after press forming includes a steel sheet having a ferrite single-phase structure and having a composition containing 0.0005% to 0.0040% by mass of C; 0.1% to 1.0% by mass of Si; 1.0% to 2.5% by mass of Mn; 0.01% to 0.20% by mass of P; 0.015% by mass of less of S; 0.01% to 0.10% by mass of Al; 0.0005% to 0.0070% by mass of N; 0.010% to 0.080% by mass of Ti; 0.0005% to 0.0020% by mass of B; 0.05% to 0.50% by mass of Cu; 0.03% to 0.50% by mass of Ni; and the balance of Fe and incidental impurities.
摘要翻译：具有优异外观的高强度镀锌钢板，其不具有涂层或涂层缺陷的不均匀性或者在压制成形后可能发生线性缺陷包括具有铁素体单相结构且组成为0.0005％至0.0040的钢板质量％C; 0.1〜1.0质量％的Si; 1.0质量％〜2.5质量％的Mn; 0.01〜0.20质量％的P; 0.015质量％以下的S; 0.01〜0.10质量％的Al; 0.0005〜0.0070质量％的N; 0.010〜0.080质量％的Ti; 0.0005〜0.0020质量％的B; 0.05〜0.50质量％的Cu; 0.03质量％〜0.50质量％的Ni; 余量为Fe和杂质。

7. 发明申请

US20110290383A1 HIGH STRENGTH COLD ROLLED STEEL SHEET EXCELLENT IN WELDABILITY AND METHOD FOR MANUFACTURING THE SAME 审中-公开
标题翻译：焊接性优异的高强度冷轧钢板及其制造方法
公开(公告)号：US20110290383A1
公开(公告)日：2011-12-01
申请号：US13057573
申请日：2009-07-24
申请人： Hiromi Yoshida , Hayato Saito , Takeshi Yokota , Yasushi Tanaka
发明人： Hiromi Yoshida , Hayato Saito , Takeshi Yokota , Yasushi Tanaka
IPC分类号： C21D8/02 , C22C38/08 , C22C38/60 , C22C38/16 , C22C38/04
CPC分类号： C22C38/60 , C21D6/005 , C21D9/46 , C21D2211/005 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/08 , C22C38/14 , C22C38/16
摘要： A high strength cold rolled steel sheet excellent in weldability and has a TS of 440 MPa or more includes a composition including C: 0.0005 to 0.005%, Si: 0.1 to 1.0%, Mn: 1 to 2.5%, P: 0.01 to 0.2%, S: 0.015% or less, sol. Al: 0.05% or less, N: 0.007% or less, Ti: 0.01 to 0.1%, B: 0.0005 to 0.0020%, Cu: 0.05 to 0.5%, and Ni: 0.03 to 0.5% by mass with the balance Fe and incidental impurities; and a microstructure constituted by a ferrite single phase.
摘要翻译：焊接性优异且TS为440MPa以上的高强度冷轧钢板包括C：0.0005〜0.005％，Si：0.1〜1.0％，Mn：1〜2.5％，P：0.01〜0.2％，S：0.015％以下，溶胶。 Al：0.05％以下，N：0.007％以下，Ti：0.01〜0.1％，B：0.0005〜0.0020％，Cu：0.05〜0.5％，Ni：0.03〜0.5质量％，余量为Fe，杂质; 和由铁素体单相构成的微结构。

8. 发明申请

US20110139316A1 HIGH STRENGTH GALVANNEALED STEEL SHEET WITH EXCELLENT APPEARANCE AND METHOD FOR MANUFACTURING THE SAME 有权
标题翻译：具有优异外观的高强度钢化钢板及其制造方法
公开(公告)号：US20110139316A1
公开(公告)日：2011-06-16
申请号：US13057331
申请日：2009-07-28
申请人： Hayato Saito , Hiromi Yoshida , Takeshi Yokota , Yasushi Tanaka
发明人： Hayato Saito , Hiromi Yoshida , Takeshi Yokota , Yasushi Tanaka
IPC分类号： C23C2/02 , B32B15/01 , C21D8/02
CPC分类号： C22C38/02 , C21D8/0405 , C21D2211/005 , C22C38/001 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/14 , C22C38/16 , C23C2/02 , C23C2/06 , C23C2/28
摘要： A high strength galvanized steel sheet with excellent appearance that does not have non-uniformity of coating or coating defects or allow linear defects to occur after press forming includes a steel sheet having a ferrite single-phase structure and having a composition containing 0.0005% to 0.0040% by mass of C; 0.1% to 1.0% by mass of Si; 1.0% to 2.5% by mass of Mn; 0.01% to 0.20% by mass of P; 0.015% by mass of less of S; 0.01% to 0.10% by mass of Al; 0.0005% to 0.0070% by mass of N; 0.010% to 0.080% by mass of Ti; 0.0005% to 0.0020% by mass of B; 0.05% to 0.50% by mass of Cu; 0.03% to 0.50% by mass of Ni; and the balance of Fe and incidental impurities.
摘要翻译：具有优异外观的高强度镀锌钢板，其不具有涂层或涂层缺陷的不均匀性或者在压制成形后可能发生线性缺陷包括具有铁素体单相结构且组成为0.0005％至0.0040的钢板质量％C; 0.1〜1.0质量％的Si; 1.0质量％〜2.5质量％的Mn; 0.01〜0.20质量％的P; 0.015质量％以下的S; 0.01〜0.10质量％的Al; 0.0005〜0.0070质量％的N; 0.010〜0.080质量％的Ti; 0.0005〜0.0020质量％的B; 0.05〜0.50质量％的Cu; 0.03质量％〜0.50质量％的Ni; 余量为Fe和杂质。

9. 发明申请

US20120221324A1 Document Processing Apparatus 审中-公开
标题翻译：文件处理装置
公开(公告)号：US20120221324A1
公开(公告)日：2012-08-30
申请号：US13397497
申请日：2012-02-15
申请人： Kimiyoshi Machii , Kaoru Kawabata , Takeshi Yokota , Yoshiyuki Kobayashi , Masakazu Fujio
发明人： Kimiyoshi Machii , Kaoru Kawabata , Takeshi Yokota , Yoshiyuki Kobayashi , Masakazu Fujio
IPC分类号： G06F17/27
CPC分类号： G06F17/2785 , G06F16/3344
摘要： In a text document processing apparatus, there is provided standard knowledge network data composed of networked phrases having strong mutual relation to each other, the phrases being selected from a knowledge field including contents of a text document to be examined. In addition, there is provided a document knowledge preparing function that prepares knowledge network data of the document to be examined, the knowledge network data being composed of networked phrases having strong mutual relation to each other, the phrases being selected from the text document. Further, a processing unit that checks a specified word constituting the knowledge network data of the document to be examined and a standard knowledge network data, and in a case when information of phrases which are networked to the specified word are different from each other, outputs difference information including information of the specified word.
摘要翻译：在文本文档处理装置中，提供由彼此之间具有强相互关系的网络短语组成的标准知识网络数据，该短语从包括要检查的文本文档的内容的知识字段中选择。此外，提供了一种准备要检查的文档的知识网络数据的文档知识准备功能，知识网络数据由彼此之间具有强相互关系的网络短语组成，短语从文本文档中选择。此外，检查构成待检查文档的知识网络数据的特定单词和标准知识网络数据的处理单元，并且在与指定单词联网的短语的信息彼此不同的情况下，输出差异信息包括指定字的信息。

10. 发明申请

US20110271733A1 METHOD FOR MANUFACTURING HIGH STRENGTH HOT ROLLED STEEL SHEET 有权
标题翻译：制造高强度热轧钢板的方法
公开(公告)号：US20110271733A1
公开(公告)日：2011-11-10
申请号：US12674281
申请日：2008-08-20
申请人： Takeshi Yokota , Kazuhiro Seto , Satoshi Ueoka , Nobuo Nishiura , Yoichi Tominaga
发明人： Takeshi Yokota , Kazuhiro Seto , Satoshi Ueoka , Nobuo Nishiura , Yoichi Tominaga
IPC分类号： B21D31/00
CPC分类号： C22C38/02 , C21D1/20 , C21D8/0426 , C21D8/0463 , C21D9/48 , C21D2211/002 , C21D2211/005 , C22C38/04
摘要： A method for manufacturing a high strength hot rolled steel sheet includes heating a slab to a temperature in the range of 1150 to 1300° C.; hot rolling the slab with a finishing rolling temperature being in the range of 800 to 1000° C.; cooling the steel sheet at a mean cooling rate of 30° C./s or higher to a cooling termination temperature in the range of 525 to 625° C.; suspending cooling for a time period in the range of 3 to 10 seconds; cooling the steel sheet in such a manner that cooling of the steel sheet is nucleate boiling; and coiling the steel sheet at a temperature in the range of 400 to 550° C.
摘要翻译：制造高强度热轧钢板的方法包括将板坯加热到1150-1300℃的温度范围内。热轧板坯，精轧温度在800〜1000℃的范围内。以30℃/ s以上的平均冷却速度将钢板冷却至525〜625℃的冷却终止温度。暂停冷却一段时间在3到10秒的范围内; 以钢板的冷却成核沸腾的方式冷却钢板; 并在400〜550℃的范围内卷取钢板。

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