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    Cold Rolled Steel Sheet Having Aging Resistance and Superior Formability, and Process for Producing the Same
    5.
    发明申请
    Cold Rolled Steel Sheet Having Aging Resistance and Superior Formability, and Process for Producing the Same 有权
    具有耐老化性和优异成型性的冷轧钢板及其制造方法

    公开(公告)号：US20090020196A1

    公开(公告)日：2009-01-22

    申请号：US10578737

    申请日：2004-11-10

    申请人： Jeong-Bong Yoon ,  Won-Ho Son ,  Ki-Bong Kang ,  Noi-Ha Cho ,  Ki-Duck Park

    发明人： Jeong-Bong Yoon ,  Won-Ho Son ,  Ki-Bong Kang ,  Noi-Ha Cho ,  Ki-Duck Park

    IPC分类号： C21D8/02 ,  C22C38/00

    CPC分类号： C22C38/004 ,  C21D8/0205 ,  C21D9/52 ,  C22C38/04

    摘要： A cold rolled steel sheet, and a method of manufacturing the same, designed to have aging resistance and excellent formability suitable for use in automobile bodies, electronic appliances, and the like. The cold rolled steel sheet comprises in weight %: 0.003% or less of C, 0.003˜0.03% of S, 0.01˜0.1% of Al, 0.02% or less of N, 0.2% or less of P, at least one of 0.03˜0.2% of Mn and 0.005˜0.2% of Cu, and a balance of Fe and other unavoidable impurities. When the steel sheet comprises one of Mn and Cu, the composition of Mn, Cu, and S satisfies at least one relationship: 0.58*Mn/S≦10 and 1≦0.5*Cu/S≦10, and when the steel sheet comprises both Mn and Cu, the composition of Mn, Cu, and S satisfies the relationship: Mn+Cu≦0.3 and 2≦0.5*(Mn+Cu)/S≦20. Participates of MnS, CuS, and (Mn, Cu)S in the steel sheet have an average size of 0.2 μm or less. Since carbon content in a solid solution state in a crystal grain is controlled by fine precipitates of MnS, CuS, or (Mn, Cu)S, the steel sheet has enhanced aging resistance and formability, and has excellent yield strength and strength-ductility.

    摘要翻译： 一种冷轧钢板及其制造方法，其设计成具有耐老化性和优异的成型性，适用于汽车车身，电子设备等。 冷轧钢板的重量％为C：0.003％以下，S：0.003〜0.03％，Al：0.01〜0.1％，N：0.02％以下，P：0.2％以下，0.03以下的至少一种 〜0.2％的Mn和0.005〜0.2％的Cu，余量为Fe等不可避免的杂质。 当钢板包含Mn和Cu中的一种时，Mn，Cu和S的组成满足至少一个关系：0.58 * Mn / S <= 10和1 <= 0.5 * Cu / S <= 10，当 钢板包含Mn和Cu，Mn，Cu和S的组成满足Mn + Cu <= 0.3和2 <= 0.5 *（Mn + Cu）/ S <= 20的关系。 MnS，CuS，（Mn，Cu）S在钢板中的平均粒径为0.2μm以下。 由于通过MnS，CuS或（Mn，Cu）S的微细析出物控制晶粒中固溶态的碳含量，因此钢板的耐老化性和成形性提高，屈服强度和强度延展性优异。

    Bake-hardenable cold rolled steel sheet having excellent formability, and method of manufacturing the same
    6.
    发明申请
    Bake-hardenable cold rolled steel sheet having excellent formability, and method of manufacturing the same 审中-公开
    具有优异成形性的可烘烤硬化性冷轧钢板及其制造方法

    公开(公告)号：US20070137739A1

    公开(公告)日：2007-06-21

    申请号：US10583701

    申请日：2004-12-21

    申请人： Jeong-Bong Yoon ,  Won-Ho Son ,  Ki-Bong Kang ,  Noi-Ha Cho

    发明人： Jeong-Bong Yoon ,  Won-Ho Son ,  Ki-Bong Kang ,  Noi-Ha Cho

    IPC分类号： C23C2/28

    CPC分类号： C21D9/46 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12 ,  C22C38/16 ,  C22C38/20

    摘要： A bake-hardenable cold rolled steel sheet, and a method of manufacturing the same, designed to have bake hardenability and excellent formability suitable for automobile bodies, and the like. The steel sheet comprises 0.003˜0.005% C, 0.003˜0.03% S, 0.01˜0.1% Al, 0.02% or less N, 0.2% or less P, 0.03˜0.2% Mn and/or 0.005˜0.2% Cu, and the balance of Fe and other unavoidable impurities in terms of weight %. When it comprises one of Mn and Cu, the composition of Mn, Cu, and S satisfies one of relationships: 0.58*Mn/S≦10 and 1≦0.5*Cu/S≦10. When it comprises both Mn and Cu, the composition satisfies the relationships: Mn+Cu≦0.3 and 2≦0.5*(Mn+Cu)/S≦20. MnS, CuS, and (Mn, Cu)S precipitates have an average size of 0.2 μm or less. The steel sheets allow the content of solid solution to be controlled by fine MnS, CuS, (Mn, Cu)S precipitates, providing improved bake hardenability, formability, yield strength, and yield strength-ductility balance.

    摘要翻译： 一种可烘烤硬化性冷轧钢板及其制造方法，其特征在于具有适于汽车车身的烘烤硬化性和优异成形性等。 该钢板包括0.003〜0.005％C，0.003〜0.03％S，0.01〜0.1％Al，0.02％以下N，0.2％以下P，0.03〜0.2％Mn和/或0.005〜0.2％Cu， 余量的Fe和其他不可避免的杂质的重量％。 当Mn，Cu和S的组成包含0.58 * Mn / S <= 10和1 <= 0.5 * Cu / S <10时，Mn，Cu和S的组成满足下列关系： 当它包括Mn和Cu时，组成满足Mn + Cu <= 0.3和2 <= 0.5 *（Mn + Cu）/ S <= 20的关系。 MnS，CuS和（Mn，Cu）S沉淀物的平均粒径为0.2μm以下。 钢板允许通过精细的MnS，CuS（（Mn，Cu）S沉淀物控制固溶体的含量，提供改善的烘烤淬透性，成形性，屈服强度和屈服强度 - 延展性平衡。

    Cold rolled steel sheet having aging resistance and superior formability, and process for producing the same
    7.
    发明授权
    Cold rolled steel sheet having aging resistance and superior formability, and process for producing the same 有权
    耐老化性和成形性优良的冷轧钢板及其制造方法

    公开(公告)号：US09297057B2

    公开(公告)日：2016-03-29

    申请号：US10578737

    申请日：2004-11-10

    申请人： Jeong-Bong Yoon ,  Won-Ho Son ,  Ki-Bong Kang ,  Noi-Ha Cho ,  Ki-Duck Park

    发明人： Jeong-Bong Yoon ,  Won-Ho Son ,  Ki-Bong Kang ,  Noi-Ha Cho ,  Ki-Duck Park

    IPC分类号： C21D8/02 ,  C22C38/00 ,  C21D9/52 ,  C22C38/04

    CPC分类号： C22C38/004 ,  C21D8/0205 ,  C21D9/52 ,  C22C38/04

    摘要： A cold rolled steel sheet, and a method of manufacturing the same, designed to have aging resistance and excellent formability suitable for use in automobile bodies, electronic appliances, and the like. The cold rolled steel sheet comprises in weight %: 0.003% or less of C, 0.003˜0.03% of S, 0.01˜0.1% of Al, 0.02% or less of N, 0.2% or less of P, at least one of 0.03˜0.2% of Mn and 0.005˜0.2% of Cu, and a balance of Fe and other unavoidable impurities. When the steel sheet comprises one of Mn and Cu, the composition of Mn, Cu, and S satisfies at least one relationship: 0.58*Mn/S≦10 and 1≦0.5*Cu/S≦10, and when the steel sheet comprises both Mn and Cu, the composition of Mn, Cu, and S satisfies the relationship: Mn+Cu≦0.3 and 2≦0.5*(Mn+Cu)/S≦20. Participates of MnS, CuS, and (Mn, Cu)S in the steel sheet have an average size of 0.2 μm or less. Since carbon content in a solid solution state in a crystal grain is controlled by fine precipitates of MnS, CuS, or (Mn, Cu)S, the steel sheet has enhanced aging resistance and formability, and has excellent yield strength and strength-ductility.

    摘要翻译： 一种冷轧钢板及其制造方法，其设计成具有耐老化性和优异的成型性，适用于汽车车身，电子设备等。 冷轧钢板的重量％为C：0.003％以下，S：0.003〜0.03％，Al：0.01〜0.1％，N：0.02％以下，P：0.2％以下，0.03以下的至少一种 〜0.2％的Mn和0.005〜0.2％的Cu，余量为Fe等不可避免的杂质。 当钢板包含Mn和Cu中的一种时，Mn，Cu和S的组成满足至少一个关系：0.58 * Mn / S＆nlE; 10和1＆nlE; 0.5 * Cu / S＆nlE; 10，当钢板包含 Mn，Cu和S的组成均满足Mn + Cu和nlE; 0.3和2＆nlE; 0.5 *（Mn + Cu）/ S＆NlE的关系; 20。 MnS，CuS，（Mn，Cu）S在钢板中的平均粒径为0.2μm以下。 由于通过MnS，CuS或（Mn，Cu）S的微细析出物控制晶粒中固溶态的碳含量，因此钢板的耐老化性和成形性提高，屈服强度和强度延展性优异。

    Method of manufacturing hot-dipped galvanized steel sheet
    8.
    发明授权
    Method of manufacturing hot-dipped galvanized steel sheet 有权
    热镀锌钢板的制造方法

    公开(公告)号：US07914851B2

    公开(公告)日：2011-03-29

    申请号：US11722759

    申请日：2005-10-31

    申请人： Sang-Heon Kim ,  Noi-Ha Cho ,  Yeong-Sool Jin

    发明人： Sang-Heon Kim ,  Noi-Ha Cho ,  Yeong-Sool Jin

    IPC分类号： B05D1/18 ,  B05D3/10

    CPC分类号： C23C2/26 ,  C23C2/003 ,  C23C2/06 ,  C23C2/16 ,  C23C2/40 ,  Y10T428/12757 ,  Y10T428/12972

    摘要： A spangle-free, hot-dip galvanized steel sheet, and a method and device for manufacturing the same. The hot-dip galvanized steel sheet is characterized in that a solidified zinc crystal of hot-dip galvanized layer has an average crystalline texture particle diameter of 10 to 88 μm and there is no solidification traces of dendrites upon observing under a microscope at a magnification of 100×. The method comprises dipping a steel sheet in a bath of a zinc-coating solution containing 0.13 to 0.3% by weight of aluminum; air-wiping the steel sheet to remove an excess of the coating solution; spraying water or an aqueous solution on the air-wiped steel sheet, using a steel sheet temperature in the range of a hot-dip galvanization temperature to 419 ° C. as a spray initiation temperature and using a steel sheet temperature in the range of 417 ° C. to 415 ° C. as a spray completion temperature; passing sprayed liquid droplets of water or aqueous solution through a mesh-like high-voltage charged electrode which is electrically charged with a high voltage of −1 to −50 kV; and allowing the electrode-passed liquid droplets to be bound to the surface of the steel sheet and hereby being served as solidification nuclei of molten zinc.

    摘要翻译： 无角度，热浸镀锌钢板及其制造方法和装置。 热浸镀锌钢板的特征在于，热浸镀锌层的固化锌结晶的平均结晶质构造粒径为10〜88μm，在显微镜下观察时不存在枝晶的凝固痕迹 100×。 该方法包括将钢板浸渍在含有0.13-0.3重量％铝的锌涂层溶液的浴中; 对钢板进行空气擦拭以除去过量的涂布液; 使用钢板温度在热浸镀锌温度〜419℃的范围内的钢板温度作为喷雾开始温度，使用钢板温度在417℃的范围内，在空气擦拭的钢板上喷雾水或水溶液 ℃至415℃作为喷雾完成温度; 通过喷射的水或水溶液的液滴通过以-1至-50kV的高电压充电的网状高压带电电极; 并且使电极通过的液滴与钢板的表面结合，从而作为熔融锌的固化核。

    Galvanized Stell-Sheet Without Spangle, Manufacturing Method Thereof and Device Used Therefor
    10.
    发明申请
    Galvanized Stell-Sheet Without Spangle, Manufacturing Method Thereof and Device Used Therefor 有权
    镀锌钢板，无角度，其制造方法及其使用的装置

    公开(公告)号：US20080206592A1

    公开(公告)日：2008-08-28

    申请号：US11722759

    申请日：2005-10-31

    申请人： Sang-Heon Kim ,  Noi-Ha Cho ,  Yeong-Sool Jin

    发明人： Sang-Heon Kim ,  Noi-Ha Cho ,  Yeong-Sool Jin

    IPC分类号： B32B15/01 ,  B05D1/18 ,  B05C3/02

    CPC分类号： C23C2/26 ,  C23C2/003 ,  C23C2/06 ,  C23C2/16 ,  C23C2/40 ,  Y10T428/12757 ,  Y10T428/12972

    摘要： A spangle-free, hot-dip galvanized steel sheet, and a method and device for manufacturing the same. The hot-dip galvanized steel sheet is characterized in that a solidified zinc crystal of hot-dip galvanized layer has an average crystalline texture particle diameter of 10 to 88 μm and there is no solidification traces of dendrites upon observing under a microscope at a magnification of 100×. The method comprises dipping a steel sheet in a bath of a zinc-coating solution containing 0.13 to 0.3% by weight of aluminum; air-wiping the steel sheet to remove an excess of the coating solution; spraying water or an aqueous solution on the air-wiped steel sheet, using a steel sheet temperature in the range of a hot-dip galvanization temperature to 419° C. as a spray initiation temperature and using a steel sheet temperature in the range of 417° C. to 415° C. as a spray completion temperature; passing sprayed liquid droplets of water or aqueous solution through a mesh-like high-voltage charged electrode which is electrically charged with a high voltage of −1 to −50 kV; and allowing the electrode-passed liquid droplets to be bound to the surface of the steel sheet and hereby being served as solidification nuclei of molten zinc.

    摘要翻译： 无角度，热浸镀锌钢板及其制造方法和装置。 热浸镀锌钢板的特征在于，热浸镀锌层的固化锌晶体的平均结晶组织粒径为10〜88μm，并且在显微镜下观察时不存在枝晶的凝固痕迹， 100x。 该方法包括将钢板浸渍在含有0.13-0.3重量％铝的锌涂层溶液的浴中; 对钢板进行空气擦拭以除去过量的涂布液; 使用钢板温度在热浸镀锌温度〜419℃的范围内的钢板温度作为喷雾开始温度，使用钢板温度在417℃的范围内，在空气擦拭的钢板上喷雾水或水溶液 ℃至415℃作为喷雾完成温度; 通过喷射的水或水溶液的液滴通过以-1至-50kV的高电压充电的网状高压带电电极; 并且使电极通过的液滴与钢板的表面结合，从而作为熔融锌的固化核。