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公开(公告)号：EP2154531B1
公开(公告)日：2018-10-31
申请号：EP08777800.7
申请日：2008-06-26
CPC分类号： G01N33/20 , G01N2001/4038
摘要： A method for analyzing a metal specimen includes an electrolysis step of electrolyzing a metal specimen containing a reference element and a target element in an electrolytic solution, a sampling step of sampling a portion of the electrolytic solution, an analysis step of analyzing the sampled electrolytic solution, a concentration ratio-calculating step of calculating the concentration ratio of the target element to the reference element in the electrolytic solution on the basis of the analysis results, and a content-calculating step of calculating the content of the target element present in the form of a solid solution by multiplying the content of the reference element in the metal specimen by the obtained concentration ratio.
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公开(公告)号：EP2154531A1
公开(公告)日：2010-02-17
申请号：EP08777800.7
申请日：2008-06-26
CPC分类号： G01N33/20 , G01N2001/4038
摘要： A method for analyzing a metal specimen includes an electrolysis step of electrolyzing a metal specimen containing a reference element and a target element in an electrolytic solution, a sampling step of sampling a portion of the electrolytic solution, an analysis step of analyzing the sampled electrolytic solution, a concentration ratio-calculating step of calculating the concentration ratio of the target element to the reference element in the electrolytic solution on the basis of the analysis results, and a content-calculating step of calculating the content of the target element present in the form of a solid solution by multiplying the content of the reference element in the metal specimen by the obtained concentration ratio.
摘要翻译： 金属试样的分析方法包括电解电解液中含有参考元素和目标元素的金属试样的电解步骤，对电解液的一部分取样的取样步骤，分析取样的电解液 ，浓度比计算步骤，基于分析结果计算电解液中的目标元素与参考元素的浓度比;以及含量计算步骤，计算以该形式存在的目标元素的含量 通过将金属试样中的参考元素的含量乘以获得的浓度比来获得固溶体。
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3.发明公开MOLTEN STEEL DESULFURIZATION METHOD, MOLTEN STEEL SECONDARY REFINING METHOD, AND MOLTEN STEEL MANUFACTURING METHOD 审中-公开法脱硫钢水方法钢水和方法二次精炼用于生产钢液
公开(公告)号：EP2722405A1
公开(公告)日：2014-04-23
申请号：EP12823682.5
申请日：2012-08-08
发明人： KINOSHIRO, Satoshi , ITO, Toshiyuki , KAWABATA, Ryo , ISHIGE, Toshiro , FUJIMOTO, Kyoko , INOSE, Masao
CPC分类号： C21C7/0645 , C21C1/02 , C21C7/0006 , C21C7/0037 , C21C7/0075 , C21C7/0087 , C21C7/06 , C21C7/064 , C21C7/10 , C21C2007/0093 , C21C2300/08 , F27D19/00 , F27D21/00 , G01N21/64 , G01N21/645 , G01N33/0042 , Y02A50/248
摘要： There are provided a method for desulfurizing molten steel, characterized in that a sample taken out from molten steel after the tapping from a converter or during the secondary refining is analyzed rapidly in a high accuracy by a method comprising a high frequency induction heating step wherein the sample is combusted and oxidized under the high frequency induction heating in a pure oxygen atmosphere to convert S in the sample into SO 2 and an analyzing step wherein SO 2 -containing gas produced in the high frequency induction heating step is analyzed through an ultraviolet fluorescence method to quantify S concentration of the sample, whereby S concentration of molten steel after the tapping from the converter can be controlled in a high accuracy to prevent failure of S concentration and also desulfurization time in the secondary refining can be shortened and the amount of the desulfurizer or the like used can be reduced, and a method of manufacturing molten steel by using such a method.
摘要翻译： 提供了用于脱硫的钢水，其特征在于在没有从一个转换器或二次精炼期间轻敲后从钢水中取出的样品中通过的方法的高精确度快速分析，其包括高频感应加热工序worin所述的方法 样品燃烧并在纯氧气氛至S转换成样品的高频感应加热下氧化成SO 2和在分析步骤worin所以在高频感应加热工序中制造2种的气体被通过到紫外荧光法分析 以量化样品，由此，从转换器中的钢后的钢水S浓度可以高精确度地控制，以防止S浓度的故障，因此在二次精炼的脱硫时间可被缩短的S浓度和脱硫器的量 或使用等可以被减小，并且满足通过使用搜索的制造钢水的方法 HOD。
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公开(公告)号：EP2177640A1
公开(公告)日：2010-04-21
申请号：EP08792282.9
申请日：2008-07-31
发明人： NAKAGAWA, Koichi , YOKOTA, Takeshi , NAKAMURA, Nobuyuki , SETO, Kazuhiro , KINOSHIRO, Satoshi , YAMADA, Katsumi
CPC分类号： C22C38/04 , C21D8/0426 , C21D9/48 , C21D2211/004 , C21D2211/005 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/24 , C22C38/28
摘要： A high-strength steel sheet having high stretch flangeability after working and corrosion resistance after painting is provided. The steel sheet contains, on the basis of mass percent, C: 0.02% to 0.20%, Si: 0.3% or less, Mn: 0.5% to 2.5%, P: 0.06% or less, S: 0.01% or less, Al: 0.1% or less, Ti: 0.05% to 0.25%, and V: 0.05% to 0.25%, the remainder being Fe and incidental impurities. The steel sheet has a substantially ferritic single phase, the ferritic single phase containing precipitates having a size of less than 20 nm, the precipitates containing 200 to 1750 mass ppm Ti and 150 to 1750 mass ppm V, V dissolved in solid solution being 200 or more but less than 1750 mass ppm.
摘要翻译： 提供一种高强度钢板，其在加工后具有高拉伸凸缘性和涂漆后的耐腐蚀性。 该钢板以质量％计含有C：0.02〜0.20％，Si：0.3％以下，Mn：0.5〜2.5％，P：0.06％以下，S：0.01％以下，Al ：0.1％以下，Ti：0.05〜0.25％，V：0.05〜0.25％，其余为Fe和不可避免的杂质。 该钢板实质上具有铁素体单相，铁素体单相含有尺寸小于20nm的析出物，含有200〜1750质量ppm Ti和150〜1750质量ppm V的析出物，溶解于固溶体中的V为200或 更多但小于1750质量ppm。
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公开(公告)号：EP2538213B1
公开(公告)日：2014-03-19
申请号：EP11744428.1
申请日：2011-02-17
CPC分类号： G01N33/203 , G01N21/643 , G01N31/12 , Y10T436/188
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公开(公告)号：EP2360469B1
公开(公告)日：2014-03-19
申请号：EP08878444.2
申请日：2008-12-25
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公开(公告)号：EP2177640B1
公开(公告)日：2017-11-01
申请号：EP08792282.9
申请日：2008-07-31
发明人： NAKAGAWA, Koichi , YOKOTA, Takeshi , NAKAMURA, Nobuyuki , SETO, Kazuhiro , KINOSHIRO, Satoshi , YAMADA, Katsumi
CPC分类号： C22C38/04 , C21D8/0426 , C21D9/48 , C21D2211/004 , C21D2211/005 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/24 , C22C38/28
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公开(公告)号：EP2743683B8
公开(公告)日：2015-12-16
申请号：EP12824205.4
申请日：2012-08-08
CPC分类号： C21C1/02 , C21C7/064 , G01N21/64 , G01N21/643 , G01N33/203 , G01N2021/6432
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公开(公告)号：EP2453032A1
公开(公告)日：2012-05-16
申请号：EP10797090.7
申请日：2010-06-29
发明人： NAKAGAWA, Koichi , YOKOTA, Takeshi , SETO, Kazuhiro , KINOSHIRO, Satoshi , TANAKA, Yuji , YAMADA, Katsumi , MEGA, Tetsuya , NAKAJIMA, Katsumi
CPC分类号： C22C38/02 , C21D8/0226 , C21D8/0273 , C21D2211/004 , C21D2211/005 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/24 , C22C38/28 , Y10T428/12229
摘要： Provided are a high-strength steel sheet having excellent stretch flangeability after working and a method for producing such a high-strength steel sheet. The composition contains, in mass percent, 0.08% to 0.20% of carbon, 0.2% to 1.0% of silicon, 0.5% to 2.5% of manganese, 0.04% or less of phosphorus, 0.005% or less of sulfur, 0.05% or less of aluminum, 0.07% to 0.20% of titanium, and 0.20% to 0.80% of vanadium, the balance being iron and incidental impurities. In addition, the structure includes 80% to 98% by volume of a ferrite phase and a second phase. Furthermore, the sum of the amounts of titanium and vanadium contained in precipitates having a size of less then 20 nm is 0.150% by mass or more. The difference (HV α - HV s ) between the hardness of the ferrite phase (HV α ) and the hardness of a second phase (HV s ) is -300 to 300.
摘要翻译： 本发明提供一种加工后的拉伸凸缘性优异的高强度钢板以及这种高强度钢板的制造方法。 该组合物以质量％计，含有0.08〜0.20％的碳，0.2〜1.0％的硅，0.5〜2.5％的锰，0.04％以下的磷，0.005％以下的硫，0.05％以下 的铝，0.07〜0.20％的钛，0.20〜0.80％的钒，余量为铁和杂质。 此外，该结构包括80体积％至98体积％的铁素体相和第二相。 此外，尺寸小于20nm的析出物中所含的钛和钒的量之和为0.150质量％以上。 铁素体相的硬度（HV±）和第二相的硬度（HV s）之间的差值（HV±HVs）为-300〜300。
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公开(公告)号：EP2163879A1
公开(公告)日：2010-03-17
申请号：EP08765874.6
申请日：2008-06-26
CPC分类号： G01N33/20 , G01N5/02 , G01N27/42 , G01N2001/4088
摘要： A method for analyzing a metallic material includes the steps of electrolyzing a metal sample in an electrolyte; removing the electrolyzed metal sample from the electrolyte; immersing the metal sample removed from the electrolyte into a dispersive solution that is different from the electrolyte to separate at least one selected from the group consisting of a precipitate and an inclusion deposited on the metal sample; and analyzing the at least one selected from the group consisting of a precipitate and an inclusion extracted into.the dispersive solution.
摘要翻译： 一种分析金属材料的方法包括以下步骤：电解金属样品; 从电解液中除去电解金属样品; 将从电解质中除去的金属样品浸入与电解质不同的分散溶液中，以分离选自沉淀物和沉积在金属样品上的夹杂物中的至少一种; 并分析选自由分散溶液中提取的沉淀物和夹杂物组成的组中的至少一种。
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