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    • 12. 发明申请
      WO2011081392A4 ZINC-PLATED STEEL SHEET FOR HOT PRESSING HAVING OUTSTANDING SURFACE CHARACTERISTICS, HOT-PRESSED MOULDED PARTS OBTAINED USING THE SAME, AND A PRODUCTION METHOD FOR THE SAME 审中-公开
    • ZINC-PLATED STEEL SHEET FOR HOT PRESSING HAVING OUTSTANDING SURFACE CHARACTERISTICS, HOT-PRESSED MOULDED PARTS OBTAINED USING THE SAME, AND A PRODUCTION METHOD FOR THE SAME
    • 用于具有优异表面特性的热压的镀锌钢板，使用其的热压成型件及其制造方法
    • WO2011081392A4
    • 2012-01-19
    • PCT/KR2010009392
    • 2010-12-28
    • POSCO , SOHN IL-RYOUNG , KIM JONG-SANG , PARK JOONG-CHUL , CHO YEOL-RAE , OH JIN-KEUN , CHO HAN-GU , CHUNG BONG-HOON , LEE JONG-SEOG
    • SOHN IL-RYOUNG , KIM JONG-SANG , PARK JOONG-CHUL , CHO YEOL-RAE , OH JIN-KEUN , CHO HAN-GU , CHUNG BONG-HOON , LEE JONG-SEOG
    • C23C2/06 , C22C38/00 , C23C2/02 , C23C2/28
    • C23C2/28 , C22C38/001 , C22C38/04 , C23C2/02 , C23C2/06 , C23C2/40 , C23C8/10 , Y10T428/12799 , Y10T428/12917 , Y10T428/12924 , Y10T428/12931 , Y10T428/12937 , Y10T428/12951 , Y10T428/12958
    • In one aspect of the present invention, provided is a zinc-plated steel sheet for hot pressing having outstanding surface characteristics, comprising: a steel foundation plate comprising a surface diffusion layer of a metal of which the Gibbs free energy reduction per mole of oxygen during oxidation is less than that of Cr, within a depth of 1 µm from the surface; an aluminium-rich layer containing at least 30 wt.% of aluminium formed on the surface diffusion layer of the metal of which the Gibbs free energy reduction per mole of oxygen during oxidation is less than that of Cr; and a zinc plating layer formed on the aluminium-rich layer; wherein annealing oxides having a mean thickness of no more than 150 nm are distributed in a non-continuous fashion between the surface diffusion layer and the aluminium-rich layer, and there is a content of at least 0.1 wt.% of the metal of which the Gibbs free energy reduction per mole of oxygen during oxidation is less than that of Cr, within a depth of 1 µm from the surface of the steel foundation plate. In this way, a metal having a low affinity for oxygen is coated to an effective thickness prior to annealing and thus the creation of annealing oxides at the surface of the steel sheet is suppressed and a uniform zinc plating layer is formed, and alloying of the zinc plating layer is promoted during press-processing heat treatment such that the melt temperature of the zinc plating layer is increased within a short time, thereby making it possible to prevent deterioration of the plating layer and to minimise the occurrence of internal oxides formed after hot press moulding. Also, according to another aspect of the present invention, an oxide layer able to prevent deterioration of the zinc plating layer is formed on the surface of the plating layer during hot press heating, and a three element phase of Zn, Fe and the metal is formed in the plating layer such that the zinc plating layer can be kept stable, a good surface condition is ensured and the phosphatability is outstanding, the plating properties during electrodeposition plating and film adhesion can be ensured even without carrying out a separate phosphating process, and workability can be improved as cracking in the steel foundation plate during hot press moulding is prevented.
    • 在本发明的一个方面，提供了一种具有优异表面特性的用于热压的镀锌钢板，包括：钢基础板，其包括金属的表面扩散层，其每摩尔氧的吉布斯自由能降低 在距离表面1μm的深度内氧化小于Cr， 在金属的表面扩散层上形成含有至少30重量％的铝的富铝层，其中氧化期间每摩尔氧的吉布斯自由能降低小于Cr; 以及形成在富铝层上的镀锌层; 其中平均厚度不超过150nm的退火氧化物以非连续的方式分布在表面扩散层和富铝层之间，并且其含量至少为其重量的0.1重量％ 在氧化期间每摩尔氧的吉布斯自由能降低小于Cr的距离，距离钢基板的表面1μm以下。 以这种方式，在退火之前将对氧的亲和力低的金属涂覆到有效厚度，因此在钢板表面产生退火氧化物，并形成均匀的镀锌层，并且合金化 在加压热处理中促进镀锌层，使得镀锌层的熔融温度在短时间内增加，从而可以防止镀层的劣化，并使热镀后形成的内部氧化物的发生最小化 压模。 此外，根据本发明的另一方面，在热压加热期间，在镀层的表面上形成能够防止镀锌层劣化的氧化物层，Zn，Fe和金属的三元相为 形成在镀层中，使得镀锌层可以保持稳定，良好的表面状态得到确保并且磷酸盐性突出，即使不进行单独的磷化工艺，也可以确保电沉积电镀和膜粘附期间的电镀性能， 可以提高加工性，因为防止热压成型时的钢基板的龟裂。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 13. 发明申请
      WO2015099455A8 HOT DIP GALVANIZED STEEL SHEET HAVING EXCELLENT RESISTANCE TO CRACKING DUE TO LIQUID METAL EMBRITTLEMENT 审中-公开
    • HOT DIP GALVANIZED STEEL SHEET HAVING EXCELLENT RESISTANCE TO CRACKING DUE TO LIQUID METAL EMBRITTLEMENT
    • 热镀锌钢板，具有优异的耐金属破裂突出性
    • WO2015099455A8
    • 2015-08-20
    • PCT/KR2014012824
    • 2014-12-24
    • POSCO
    • LEE JU-YOUN , CHIN KWANG-GEUN , JEON SUN-HO , KIM JONG-SANG , KIM MYUNG-SOO
    • C23C2/06 , C22C38/00 , C23C28/00
    • C23C2/06 , C22C18/00 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/28 , C22C38/50 , C22C38/58 , C23C2/02 , C23C2/36 , C23C2/40
    • The objective of the present invention is to provide a molten zinc plated steel sheet with excellent crack resistance due to liquid metal bromide. One aspect of the present invention provides a molten zinc plated steel sheet with excellent crack resistance due to liquid metal bromide, the steel sheet comprising: a base steel sheet having a microstructure in which the fraction of austenite is greater than or equal to 90 area%; and a molten zinc plated layer formed on the base steel sheet, wherein the molten zinc plated layer comprises: a Fe-Zn alloy layer; and a Zn layer formed on the Fe-Zn alloy layer, and the Fe-Zn alloy layer provides a molten zinc plated steel sheet having a thickness of [(3.4×t)/6]㎛ or more with excellent crack resistance due to liquid metal bromide (where t is the thickness of the molten zinc plated steel sheet). The present invention can prevent a plated layer peeling phenomenon which easily occurs in common car welding and molding conditions, and can also provide a molten zinc plated steel sheet in which crack occurrence due to liquid metal bromide is suppressed.
    • 本发明的目的是提供一种熔融镀锌钢板，其由于液态金属溴化物而具有优异的抗裂纹性。 本发明的一个方面提供了一种熔融镀锌钢板，其由于液态金属溴化物而具有优异的抗裂性，所述钢板包括：具有微观结构的基体钢板，其中奥氏体的分数大于或等于90面积％ ; 以及形成在所述基材钢板上的熔融镀锌层，其中所述熔融镀锌层包括：Fe-Zn合金层; 和形成在Fe-Zn合金层上的Zn层，Fe-Zn合金层提供厚度为[（3.4×t）/ 6]以上的熔融镀锌钢板，由于液体而具有优异的抗裂性 金属溴化物（其中t是熔融镀锌钢板的厚度）。 本发明可以防止在普通车辆焊接和成型条件下容易发生的镀层剥离现象，并且还可以提供抑制由液态金属溴化物引起的裂纹发生的熔融镀锌钢板。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 15. 发明申请
      WO2010074458A3 HIGH-STRENGTH COLD ROLLED STEEL SHEET HAVING SUPERIOR DEEP DRAWABILITY AND A HIGH YIELD RATIO, GALVANIZED STEEL SHEET USING SAME, ALLOYED GALVANIZED STEEL SHEET, AND METHOD FOR MANUFACTURING SAME 审中-公开
    • HIGH-STRENGTH COLD ROLLED STEEL SHEET HAVING SUPERIOR DEEP DRAWABILITY AND A HIGH YIELD RATIO, GALVANIZED STEEL SHEET USING SAME, ALLOYED GALVANIZED STEEL SHEET, AND METHOD FOR MANUFACTURING SAME
    • 具有优良深冲性和高屈服比的高强度冷轧钢板，使用该钢板的镀锌钢板，合金镀锌钢板及其制造方法
    • WO2010074458A3
    • 2010-08-26
    • PCT/KR2009007608
    • 2009-12-18
    • POSCO , LEE KYOO-YOUNG , CHIN KWANG-GEUN , KIM JONG-SANG , HONG YOUNG-KWANG
    • LEE KYOO-YOUNG , CHIN KWANG-GEUN , KIM JONG-SANG , HONG YOUNG-KWANG
    • C22C38/00 , C21D8/02 , C22C38/14 , C23C2/06
    • C23C2/06 , C21D8/0436 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12
    • The present invention relates to a cold rolled steel sheet having a yield ratio of 60% or higher, superior dent resistance and durability, superior drawability having an r-value of 1.4 or higher, and a superior tensile strength of 490 MPa or higher, to a galvanized steel sheet using same, to an alloyed galvanized steel sheet, and to a method for manufacturing same. More particularly, the present invention relates to a high-strength cold rolled steel sheet having superior deep drawability and a high yield ratio, comprising, by weight, C: 0.02-0.05%, Mn: 1.0-3.0%, Si: 0.5-2.0%, P: 0.05% or less, N: 0.006% or less, Al: 0.01-0.1%, S: 0.012% or less, and Nb: 0.04-0.15%, and one or more components selected from a group consisting of Ti, B, and Zr, wherein said components satisfy the condition in which the following Eq_N value is 0.001 or less and the following Eq_C value is 0.03 or less. The residuals consist of Fe and inevitable impurities, and the fraction of the retained austenite is 5% or less. The present invention also relates to a galvanized steel sheet using same, to an alloyed galvanized steel sheet, and to a method for manufacturing same. Eq_N = N - 14 × (Ti/47.9 + Zr/91.2 + B/10.8) Eq_C = C - 12/92.9 × Nb Eq_C = C - 12 × (Nb/92.9 + (Ti - 47.9/14 ×N)/47.9+ (Zr - 91.2/14 × N)/91.2) (wherein, if Ti - 47.9/14 ×N
    • 本发明涉及屈服比为60％以上，耐凹痕性和耐久性优异，r值为1.4以上，拉伸强度为490MPa以上的优异的拉伸加工性的冷轧钢板， 使用其的镀锌钢板，合金化镀锌钢板及其制造方法。 更具体地说，本发明涉及一种深冲性和屈服比高的高强度冷轧钢板，其特征在于，含有C：0.02〜0.05％，Mn：1.0〜3.0％，Si：0.5〜2.0 ，P：0.05％以下，N：0.006％以下，Al：0.01〜0.1％，S：0.012％以下，Nb：0.04〜0.15％，以及选自Ti B和Zr，其中所述组分满足下列Eq_N值为0.001或更小并且以下Eq_C值为0.03或更小的条件。 残留物由Fe和不可避免的杂质构成，残留奥氏体的比例为5％以下。 本发明还涉及使用其的镀锌钢板，合金化镀锌钢板及其制造方法。 Eq_N = N-14×（Ti / 47.9 + Zr / 91.2 + B / 10.8）Eq_C = C-12 / 92.9×Nb Eq_C = C-12×（Nb / 92.9 + / 14×N）/47.9+(Zr-91.2/14×N）/91.2）<添加Zr>（其中，如果Ti-47.9 / 14×N <0，则认为Ti-47.9 / 14×N为 0，如果Zr - 91.2 / 14×N <0，Zr - 91.2 / 14×N被视为0）。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 17. 发明申请
      WO2012169845A3 SOLAR CELL SUBSTRATE, METHOD FOR MANUFACTURING SAME, AND SOLAR CELL USING SAME 审中-公开
    • SOLAR CELL SUBSTRATE, METHOD FOR MANUFACTURING SAME, AND SOLAR CELL USING SAME
    • 太阳能电池基板，其制造方法和使用该太阳能电池的太阳能电池
    • WO2012169845A3
    • 2013-03-07
    • PCT/KR2012004572
    • 2012-06-08
    • POSCO , KIM KYOUNG-BO , PARK YOUNG-JUN , BAEK JE-HOON , KIM JONG-SANG , KIM YOUNG-GEUN
    • KIM KYOUNG-BO , PARK YOUNG-JUN , BAEK JE-HOON , KIM JONG-SANG , KIM YOUNG-GEUN
    • H01L31/042 , H01L31/0749 , H01L31/18
    • H01L31/02167 , H01L31/03928 , H01L31/0749 , H01L31/18 , Y02E10/541 , Y02P70/521
    • One aspect of the present invention is a solar cell substrate, comprising: a lower substrate; and a lower electrode that is formed on the upper part of said lower substrate, wherein a metal diffusion-preventing film having at least one or two or more metal layers is included between said lower substrate and said lower electrode, and if two or more metal layers are formed, the metal layers adjoining each other can be different metals. Additionally, a solar cell, which is another aspect of the present invention, comprises: a lower substrate; and a lower electrode that is formed on the upper part of said lower substrate, wherein a metal diffusion-preventing film having at least one or two or more metal layers is included between said lower substrate and said lower electrode, and if two or more metal layers are formed, the metal layers adjoining each other comprise solar cell substrates which are of different metals; p-type light absorption layers formed on said solar cell substrates; n-type buffer layers formed on said light absorption layers; transparent windows formed on said buffer layers; and upper electrodes formed on said transparent windows.
    • 本发明的一个方面是一种太阳能电池基板，包括：下基板; 以及形成在所述下基板的上部的下电极，其中在所述下基板和所述下电极之间包括具有至少一个或两个或更多个金属层的金属防扩散膜，并且如果两个或更多个金属 形成层，彼此相邻的金属层可以是不同的金属。 此外，作为本发明的另一方面的太阳能电池包括：下基板; 以及形成在所述下基板的上部的下电极，其中在所述下基板和所述下电极之间包括具有至少一个或两个或更多个金属层的金属防扩散膜，并且如果两个或更多个金属 形成层，彼此相邻的金属层包括具有不同金属的太阳能电池基板; 形成在所述太阳能电池基板上的p型光吸收层; 形成在所述光吸收层上的n型缓冲层; 形成在所述缓冲层上的透明窗; 和形成在所述透明窗口上的上电极。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 19. 发明申请
      WO2011081392A3 ZINC-PLATED STEEL SHEET FOR HOT PRESSING HAVING OUTSTANDING SURFACE CHARACTERISTICS, HOT-PRESSED MOULDED PARTS OBTAINED USING THE SAME, AND A PRODUCTION METHOD FOR THE SAME 审中-公开
    • ZINC-PLATED STEEL SHEET FOR HOT PRESSING HAVING OUTSTANDING SURFACE CHARACTERISTICS, HOT-PRESSED MOULDED PARTS OBTAINED USING THE SAME, AND A PRODUCTION METHOD FOR THE SAME
    • 用于具有出色表面特性的热压的镀锌钢板，使用其获得的热压成型部件及其制造方法
    • WO2011081392A3
    • 2011-12-01
    • PCT/KR2010009392
    • 2010-12-28
    • POSCO , SOHN IL-RYOUNG , KIM JONG-SANG , PARK JOONG-CHUL , CHO YEOL-RAE , OH JIN-KEUN , CHO HAN-GU , CHUNG BONG-HOON , LEE JONG-SEOG
    • SOHN IL-RYOUNG , KIM JONG-SANG , PARK JOONG-CHUL , CHO YEOL-RAE , OH JIN-KEUN , CHO HAN-GU , CHUNG BONG-HOON , LEE JONG-SEOG
    • C23C2/06 , C22C38/00 , C23C2/02 , C23C2/28
    • C23C2/28 , C22C38/001 , C22C38/04 , C23C2/02 , C23C2/06 , C23C2/40 , C23C8/10 , Y10T428/12799 , Y10T428/12917 , Y10T428/12924 , Y10T428/12931 , Y10T428/12937 , Y10T428/12951 , Y10T428/12958
    • In one aspect of the present invention, provided is a zinc-plated steel sheet for hot pressing having outstanding surface characteristics, comprising: a steel foundation plate comprising a surface diffusion layer of a metal of which the Gibbs free energy reduction per mole of oxygen during oxidation is less than that of Cr, within a depth of 1 µm from the surface; an aluminium-rich layer containing at least 30 wt.% of aluminium formed on the surface diffusion layer of the metal of which the Gibbs free energy reduction per mole of oxygen during oxidation is less than that of Cr; and a zinc plating layer formed on the aluminium-rich layer; wherein annealing oxides having a mean thickness of no more than 150 nm are distributed in a non-continuous fashion between the surface diffusion layer and the aluminium-rich layer, and there is a content of at least 0.1 wt.% of the metal of which the Gibbs free energy reduction per mole of oxygen during oxidation is less than that of Cr, within a depth of 1 µm from the surface of the steel foundation plate. In this way, a metal having a low affinity for oxygen is coated to an effective thickness prior to annealing and thus the creation of annealing oxides at the surface of the steel sheet is suppressed and a uniform zinc plating layer is formed, and alloying of the zinc plating layer is promoted during press-processing heat treatment such that the melt temperature of the zinc plating layer is increased within a short time, thereby making it possible to prevent deterioration of the plating layer and to minimise the occurrence of internal oxides formed after hot press moulding. Also, according to another aspect of the present invention, an oxide layer able to prevent deterioration of the zinc plating layer is formed on the surface of the plating layer during hot press heating, and a three element phase of Zn, Fe and the metal is formed in the plating layer such that the zinc plating layer can be kept stable, a good surface condition is ensured and the phosphatability is outstanding, the plating properties during electrodeposition plating and film adhesion can be ensured even without carrying out a separate phosphating process, and workability can be improved as cracking in the steel foundation plate during hot press moulding is prevented.
    • 在本发明的一个方面中，提供了一种具有优异表面特性的用于热压的镀锌钢板，其包括：钢基础板，其包括金属的表面扩散层，其中在每个摩尔氧期间吉布斯自由能降低 在离表面1μm的深度内氧化比Cr的氧化少; 在金属的表面扩散层上形成的含有至少30重量％铝的富铝层，其中在氧化过程中每摩尔氧的吉布斯自由能降低小于Cr的摩尔数; 以及在富铝层上形成的镀锌层; 其中平均厚度不超过150nm的退火氧化物以不连续的方式分布在表面扩散层和富铝层之间，并且其中金属的含量至少为0.1重量％ 在距离钢基板表面1μm的深度内，氧化期间每摩尔氧的Gibbs自由能降低小于Cr的Gibbs自由能降低。 这样，在退火之前将对氧的亲和力低的金属涂覆成有效厚度，从而抑制了钢板表面处的退火氧化物的产生，并形成了均匀的镀锌层，并且合金化了 在压制加工热处理期间促进镀锌层，使得锌镀层的熔融温度在短时间内增加，由此使得可以防止镀层的劣化并且使热后形成的内部氧化物的发生最小化 压模成型。 此外，根据本发明的另一方面，在热压加热过程中，在镀层的表面上形成能够防止镀锌层劣化的氧化物层，并且Zn，Fe和金属的三元素相为 形成在镀层中，使得锌镀层能够保持稳定，确保良好的表面条件，并且可磷化性优异，即使不进行单独的磷化处理也能确保电沉积镀覆和膜粘合期间的镀覆性能，并且 防止了在热压模制过程中钢基板的开裂，可以提高可操作性。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
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