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    Method of producing cold-rolled steel sheet
    1.
    发明授权
    Method of producing cold-rolled steel sheet 有权
    生产冷轧钢板的方法

    公开(公告)号：US08257517B2

    公开(公告)日：2012-09-04

    申请号：US13046869

    申请日：2011-03-14

    申请人： Toshirou Tomida ,  Norio Imai ,  Mitsuru Yoshida ,  Kaori Kawano ,  Masayuki Wakita ,  Tamotsu Toki ,  Masanori Yasuyama ,  Hitomi Nishibata

    发明人： Toshirou Tomida ,  Norio Imai ,  Mitsuru Yoshida ,  Kaori Kawano ,  Masayuki Wakita ,  Tamotsu Toki ,  Masanori Yasuyama ,  Hitomi Nishibata

    IPC分类号： C21D8/02 ,  C21D9/46

    CPC分类号： C23C2/40 ,  B32B15/012 ,  B32B15/013 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0263 ,  C21D8/0405 ,  C21D8/0463 ,  C21D9/46 ,  C21D9/50 ,  C21D2201/03 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/009 ,  C22C18/04 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C23C2/06 ,  C23C2/28

    摘要： A steel sheet excellent in mechanical strength, workability and thermal stability and suited for use as a raw material in such fields of manufacturing automobiles, household electric appliances and machine structures and of constructing buildings, and a manufacturing method thereof are provided.The steel sheet is a hot-rolled steel sheet of carbon steel or low-alloy steel, the main phase of which is ferrite, and is characterized in that the average ferrite crystal grain diameter D (μm) at the depth of ¼ of the sheet thickness from the steel sheet surface satisfies the relations respectively defined by the formulas (1) and (2) given below and the increase rate X (μm/min) in average ferrite crystal grain diameter at 700° C. at the depth of ¼ of the sheet thickness from the steel sheet surface and said average crystal grain diameter D (μm) satisfy the relation defined by the formula (3) given below: 1.2≦D≦7  formula (1) D≦2.7+5000/(5+350·C+40·Mn)2  formula (2) D·X≦0.1  formula (3) wherein C and Mn represent the contents (in % by mass) of the respective elements in the steel.

    摘要翻译： 提供了机械强度，可加工性和热稳定性优异且适用于制造汽车，家用电器和机器结构以及建筑物的领域中的原料的钢板及其制造方法。 该钢板是碳素钢或低合金钢的热轧钢板，其主相是铁素体，其特征在于，在片材的1/4深度处的平均铁素体晶粒直径D（μm） 从钢板表面的厚度满足下面给出的式（1）和（2）所定义的关系，并且在700℃的平均铁素体晶粒直径的增加速率X（μm/ min）在深度为1/4 钢板表面的平均厚度和所述平均晶粒直径D（μm）满足以下公式（3）所定义的关系：1.2＆nlE; D＆nlE; 7式（1）D＆nlE; 2.7 + 5000 /（5+ 350·C + 40·Mn）2式（2）D·X＆nlE; 0.1式（3）其中C和Mn表示钢中各元素的含量（质量％）。

    Method of producing hot-rolled steel sheet
    4.
    发明授权
    Method of producing hot-rolled steel sheet 有权
    生产热轧钢板的方法

    公开(公告)号：US07879164B2

    公开(公告)日：2011-02-01

    申请号：US12768253

    申请日：2010-04-27

    申请人： Toshirou Tomida ,  Norio Imai ,  Mitsuru Yoshida ,  Kaori Kawano ,  Masayuki Wakita ,  Tamotsu Toki ,  Masanori Yasuyama ,  Hitomi Nishibata

    发明人： Toshirou Tomida ,  Norio Imai ,  Mitsuru Yoshida ,  Kaori Kawano ,  Masayuki Wakita ,  Tamotsu Toki ,  Masanori Yasuyama ,  Hitomi Nishibata

    IPC分类号： C21D8/02 ,  C21D9/46

    CPC分类号： C23C2/40 ,  B32B15/012 ,  B32B15/013 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0263 ,  C21D8/0405 ,  C21D8/0463 ,  C21D9/46 ,  C21D9/50 ,  C21D2201/03 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/009 ,  C22C18/04 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C23C2/06 ,  C23C2/28

    摘要： A steel sheet excellent in mechanical strength, workability and thermal stability and suited for use as a raw material in such fields of manufacturing automobiles, household electric appliances, machine structures, and of constructing buildings, and a manufacturing method thereof is provided. The steel sheet is a hot-rolled steel sheet of a carbon steel or low-alloy steel, the main phase of which is ferrite, and is characterized in that the average ferrite crystal grain diameter D(μm) at the depth of ¼ of the sheet thickness from the steel sheet surface satisfies the relations respectively defined by formulas (1) and (2) given below and the increase rate X (μm/min) in average ferrite crystal grain diameter at 700° C. at the depth of ¼ of the sheet thickness from the steel sheet surface and said average crystal grain diameter D(μm) satisfy the relation defined by the formula (3) given below: 1.2≦D≦7  formula (1) D≦2.7+5000/(5+350·C+40·Mn)2  formula (2) D·X≦0.1  formula (3) wherein C and Mn represent the content (in % by mass) of the respective elements in the steel.

    摘要翻译： 本发明提供一种机械强度，加工性，热稳定性优异且适用于制造汽车，家用电器，机器结构，建筑物等领域的原料的钢板及其制造方法。 该钢板是碳素钢或低合金钢的热轧钢板，其主相是铁素体，其特征在于，深度为1/4的平均铁素体晶粒直径D（μm） 从钢板表面的板厚满足下述式（1）和（2）所定义的关系，并且在700℃的平均铁素体晶粒直径的增加速度X（μm/ min）在深度为1/4 钢板表面的平均厚度和所述平均晶粒直径D（μm）满足以下公式（3）所定义的关系：1.2＆nlE; D＆nlE; 7式（1）D＆nlE; 2.7 + 5000 /（5+ 350·C + 40·Mn）2式（2）D·X＆nlE; 0.1式（3）其中，C和Mn表示钢中各元素的含量（质量％）。

    Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof
    5.
    发明申请
    Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof 有权
    热轧钢板和冷轧钢板及其制造方法

    公开(公告)号：US20080202639A1

    公开(公告)日：2008-08-28

    申请号：US12068045

    申请日：2008-02-01

    申请人： Toshirou Tomida ,  Norio Imai ,  Mitsuru Yoshida ,  Kaori Kawano ,  Masayuki Wakita ,  Tamotsu Toki ,  Masanori Yasuyama ,  Hitomi Nishibata

    发明人： Toshirou Tomida ,  Norio Imai ,  Mitsuru Yoshida ,  Kaori Kawano ,  Masayuki Wakita ,  Tamotsu Toki ,  Masanori Yasuyama ,  Hitomi Nishibata

    IPC分类号： C21D8/04 ,  C22C38/04 ,  C21D11/00 ,  C22C38/18

    CPC分类号： C23C2/40 ,  B32B15/012 ,  B32B15/013 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0263 ,  C21D8/0405 ,  C21D8/0463 ,  C21D9/46 ,  C21D9/50 ,  C21D2201/03 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/009 ,  C22C18/04 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C23C2/06 ,  C23C2/28

    摘要： A steel sheet excellent in mechanical strength, workability and thermal stability and suited for use as a raw material in such fields of manufacturing automobiles, household electric appliances and machine structures and of constructing buildings, and a manufacturing method thereof. are provided.The steel sheet is a hot-rolled steel sheet of carbon steel or low-alloy steel, the main phase of which is ferrite, and is characterized in that the average ferrite crystal grain diameter D (μm) at the depth of ¼ of the sheet thickness from the steel sheet surface satisfies the relations respectively defined by the formulas (1) and (2) given below and the increase rate X (μm/min) in average ferrite crystal grain diameter at 700° C. at the depth of ¼ of the sheet thickness from the steel sheet surface and said average crystal grain diameter D (μm) satisfy the relation defined by the formula (3) given below: 1.2≦D≦7   formula (1) D≦2.7+5000/(5+350·C+40·Mn)2   formula (2) D·X≦0.1   formula (3) wherein C and Mn represent the contents (in % by mass) of the respective elements in the steel.

    摘要翻译： 机械强度，加工性，热稳定性优异的钢板，适用于制造汽车，家用电器和机器结构以及建筑物的领域的原材料及其制造方法。 被提供。 钢板是碳素钢或低合金钢的热轧钢板，其主相是铁素体，其特征在于，在片材的1/4深度处的平均铁素体晶粒直径D（母体） 从钢板表面的厚度满足下面给出的式（1）和（2）所定义的关系，并且在700℃的平均铁素体晶粒直径的增加速率X（mum / min）在深度为1/4 来自钢板表面的板厚和所述平均晶粒直径D（母）满足以下给出的公式（3）所定义的关系：<？in-line-formula description =“In-line Formulas”end =“lead “？> 1.2 <= D <= 7公式（1）<？in-line-formula description =”In-line Formulas“end =”tail“？> <？in-line-formula description =”在线公式 “end =”lead“？> D <= 2.7 + 5000 /（5 + 350.C + 40.Mn）2式（2）<？in-line-formula description =”In- 行公式“end =”tail“？> <？in-line-formula description =”In-line Formulas“end =”lea d“？> DX <= 0.1式（3）<？in-line-formula description =”In-line formula“end =”tail“？>其中C和Mn表示各自的内容（以质量％计） 钢中的元素。

    METHOD OF PRODUCING COLD-ROLLED STEEL SHEET
    6.
    发明申请
    METHOD OF PRODUCING COLD-ROLLED STEEL SHEET 有权
    生产冷轧钢板的方法

    公开(公告)号：US20110162760A1

    公开(公告)日：2011-07-07

    申请号：US13046869

    申请日：2011-03-14

    申请人： Toshirou TOMIDA ,  Norio Imai ,  Mitsuru Yoshida ,  Kaori Kawano ,  Masayuki Wakita ,  Tamotsu Toki ,  Masanori Yasuyama ,  Hitomi Nishibata

    发明人： Toshirou TOMIDA ,  Norio Imai ,  Mitsuru Yoshida ,  Kaori Kawano ,  Masayuki Wakita ,  Tamotsu Toki ,  Masanori Yasuyama ,  Hitomi Nishibata

    IPC分类号： C21D8/02 ,  C21D11/00 ,  C21D6/00

    CPC分类号： C23C2/40 ,  B32B15/012 ,  B32B15/013 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0263 ,  C21D8/0405 ,  C21D8/0463 ,  C21D9/46 ,  C21D9/50 ,  C21D2201/03 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/009 ,  C22C18/04 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C23C2/06 ,  C23C2/28

    摘要： A steel sheet excellent in mechanical strength, workability and thermal stability and suited for use as a raw material in such fields of manufacturing automobiles, household electric appliances and machine structures and of constructing buildings, and a manufacturing method thereof are provided.The steel sheet is a hot-rolled steel sheet of carbon steel or low-alloy steel, the main phase of which is ferrite, and is characterized in that the average ferrite crystal grain diameter D (μm) at the depth of ¼ of the sheet thickness from the steel sheet surface satisfies the relations respectively defined by the formulas (1) and (2) given below and the increase rate X (μm/min) in average ferrite crystal grain diameter at 700° C. at the depth of ¼ of the sheet thickness from the steel sheet surface and said average crystal grain diameter D (μm) satisfy the relation defined by the formula (3) given below: 1.2≦D≦7  formula (1) D≦2.7+5000/(5+350·C+40·Mn)2  formula (2) D·X≦0.1  formula (3) wherein C and Mn represent the contents (in % by mass) of the respective elements in the steel.

    摘要翻译： 提供了机械强度，可加工性和热稳定性优异且适用于制造汽车，家用电器和机器结构以及建筑物的领域中的原料的钢板及其制造方法。 该钢板是碳素钢或低合金钢的热轧钢板，其主相是铁素体，其特征在于，在片材的1/4深度处的平均铁素体晶粒直径D（μm） 从钢板表面的厚度满足下面给出的式（1）和（2）所定义的关系，并且在700℃的平均铁素体晶粒直径的增加速率X（μm/ min）在深度为1/4 钢板表面的平均厚度和所述平均晶粒直径D（μm）满足以下公式（3）所定义的关系：1.2＆nlE; D＆nlE; 7式（1）D＆nlE; 2.7 + 5000 /（5+ 350·C + 40·Mn）2式（2）D·X＆nlE; 0.1式（3）其中C和Mn表示钢中各元素的含量（质量％）。

    WELDING QUALITY CLASSIFICATION APPARATUS
    10.
    发明申请
    WELDING QUALITY CLASSIFICATION APPARATUS 审中-公开
    焊接质量分类装置

    公开(公告)号：US20130248505A1

    公开(公告)日：2013-09-26

    申请号：US13878917

    申请日：2011-10-12

    申请人： Kazunori Anayama ,  Toshiyuki Suzuma ,  Hitomi Nishibata ,  Hiroki Fujimoto ,  Kiyoyuki Fukui ,  Masato Uchihara

    发明人： Kazunori Anayama ,  Toshiyuki Suzuma ,  Hitomi Nishibata ,  Hiroki Fujimoto ,  Kiyoyuki Fukui ,  Masato Uchihara

    IPC分类号： B23K9/095

    CPC分类号： B23K9/095 ,  B23K11/115 ,  B23K31/125

    摘要： The welding quality classification apparatus relating to the present invention is an apparatus, wherein a data point indicating feature information of a welded joint to be classified whose welding quality is unknown is mapped to a point in a mapping space which has a dimensional number higher than the number of the features constituting the feature information, and the welding quality of a welded joint to be classified is classified based on which of regions of two welding qualities, which are formed by separating the mapping space with a decision boundary, contains the mapped point, and wherein a discriminant function is determined by adopting a weight which minimizes the sum of the classification error corresponding to classification accuracy of a training dataset and a regularization term having a positive correlation with the dimensional number of the discriminant function as weight for each feature constituting the discriminant function indicating the decision boundary.

    摘要翻译： 关于本发明的焊接质量分类装置是一种装置，其中指示焊接质量未知的待分类的焊接接头的特征信息的数据点被映射到具有高于 基于通过将映射空间与判定边界分离而形成的两个焊接质量的区域中的哪一个包含映射点来分类构成特征信息的特征的数量和待分类的焊接接头的焊接质量， 并且其中通过采用最小化对应于训练数据集的分类精度的分类误差和与判别函数的维数成正相关的正则化项的正则化项的权重作为构成每个特征的每个特征的权重来确定判别函数 判别函数表示决策边界。