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1. 发明专利

JP2010168645A Sacrificial anticorrosive film, hydrogen non-intrusive anticorrosive film, steel, and method for production of the steel 有权
标题翻译：非腐蚀性防腐薄膜，非侵入性防腐膜，钢和钢的生产方法
公开(公告)号：JP2010168645A
公开(公告)日：2010-08-05
申请号：JP2009201118
申请日：2009-08-31
申请人： Jfe Steel Corp , Jfeスチール株式会社 , Tokyo Institute Of Technology , 国立大学法人東京工業大学
发明人： TSURU TORU , MARUYAMA TOSHIO , SATO TATSUO , TAKEYAMA MASAO , NAKAMARU HIROKI , FUJITA SAKAE , MIZUNO DAISUKE
IPC分类号： C23C2/12 , C23C2/28
摘要： PROBLEM TO BE SOLVED: To provide a new sacrificial anticorrosive film and a new hydrogen non-intrusive anticorrosive film. SOLUTION: The sacrificial anticorrosive film contains Al, Mg and Si. The contents of Mg and Si are 6-10 and 3-7 mass%, respectively and a ratio of Mg/Si is in the range of 1.1-3.0. The hydrogen non-intrusive anticorrosive film also contains Al, Mg and Si. The contents of Mg and Si are 6-10 and 3-7 mass%, respectively and a ratio of Mg/Si is in the range of 1.1-3.0. It is preferable that the contents of Mg and Si are 7-9 and 4-6 mass% respectively and a ratio of Mg/Si is in the range of 1.5-2.7 and further, the content of Fe is 3 mass% or less. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供新的牺牲防腐膜和新的氢非侵入式防腐膜。
解决方案：牺牲防腐蚀膜含有Al，Mg和Si。 Mg和Si的含量分别为6-10和3-7质量％，Mg / Si的比例在1.1-3.0的范围内。氢非侵入式防腐蚀膜还含有Al，Mg和Si。 Mg和Si的含量分别为6-10和3-7质量％，Mg / Si的比例在1.1-3.0的范围内。优选Mg和Si的含量分别为7-9和4-6质量％，Mg / Si的比例在1.5-2.7的范围内，Fe的含量优选为3质量％以下。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2009109483A Corrosion resistance evaluation method of surface-treated steel sheet 有权
标题翻译：表面处理钢板的耐腐蚀性评价方法
公开(公告)号：JP2009109483A
公开(公告)日：2009-05-21
申请号：JP2008232774
申请日：2008-09-11
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MIZUNO DAISUKE , KAJIYAMA HIROSHI , SUZUKI SACHIKO , FUJITA SAKAE
IPC分类号： G01N17/00
摘要： PROBLEM TO BE SOLVED: To provide a corrosion resistance evaluation method of surface-treated steel sheet, having close correlation with the corrosion of an actual automobile hood panel.
SOLUTION: One or more kinds of working between bulging, draw-bead working and plane sliding are applied to the surface treated steel sheet, and a steel sheet clad section is formed, by piling together a different kind or the same kind of surface treated steel sheets after application of the working thereto. Then, the steel sheets forming the steel sheet clad section are used as a test piece and supplied into a corrosive environment, and its corrosion resistance is evaluated. In this case, the steel sheet clad section is, preferably, formed by bonding the different kind or the same kind of surface treated steel sheets by resistance welding. More preferably, in order to further simulate an actual automobile structure, after forming the steel sheet clad section, chemical conversion treatment and electrodeposition coating are applied thereto to prepare the test piece; and the test piece is supplied into the corrosive environment, and its corrosion resistance is evaluated. The corrosion test can be performed by, for example, SAE J2334 120 cycle.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供与实际的汽车发动机罩板的腐蚀密切相关的表面处理钢板的耐腐蚀性评价方法。解决方案：在表面处理钢板上施加凸起，拉伸珠加工和平面滑动之间的一种或多种加工，并且通过将不同种类或相同种类的表面处理后的钢板经过施工。然后，将形成钢板包层的钢板用作试件并供给到腐蚀性环境中，评价其耐腐蚀性。在这种情况下，优选通过电阻焊接不同种类或相同种类的表面处理钢板来形成钢板包层部。更优选地，为了进一步模拟实际的汽车结构，在形成钢板包层部之后，施加化学转化处理和电沉积涂布以制备试验片; 将试验片供给腐蚀环境，评价其耐腐蚀性。腐蚀试验可通过例如SAE J2334 120循环进行。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2009109475A Corrosion resistance evaluation method of surface treated steel sheet 有权
标题翻译：表面处理钢板的耐腐蚀性评价方法
公开(公告)号：JP2009109475A
公开(公告)日：2009-05-21
申请号：JP2008141982
申请日：2008-05-30
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MIZUNO DAISUKE , KAJIYAMA HIROSHI , SUZUKI SACHIKO , FUJITA SAKAE
IPC分类号： G01N17/00 , G01N33/20
摘要： PROBLEM TO BE SOLVED: To provide a corrosion resistance evaluation method of a surface treated steel sheet having close correlation with corrosion of an actual automobile quarter part.
SOLUTION: One or more kinds of working between deep drawing, uniaxial stretching and plane sliding are applied to the surface treated steel sheet, and a steel sheet clad section is formed by piling together a different type or the same type of surface treated steel sheets, after application of the working thereto. Then, the steel sheets forming the steel sheet clad section are used as a test piece and are supplied into a corrosive environment, and its corrosion resistance is evaluated. In this case, the steel sheet clad section is, preferably formed, by bonding the different kind or the same kind of surface treated steel sheets by resistance welding. More preferably, in order to furthermore simulate actual automobile structure, after forming the steel sheet clad section, chemical conversion treatment and electrodeposition coating are applied thereto, to prepare the test piece, and the test piece is supplied into the corrosive environment, and its corrosion resistance is evaluated. The corrosion test can be conducted by, for example, SAE J2334.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供与实际的汽车四分之一部分的腐蚀密切相关的表面处理钢板的耐腐蚀性评价方法。解决方案：将深拉伸，单轴拉伸和平面滑动之间的一种或多种工作施加到表面处理钢板上，并且通过将不同类型或相同类型的表面处理层叠在一起而形成钢板包层部钢板在施工之后。然后，将形成钢板包层的钢板用作试验片并供给到腐蚀性环境中，评价其耐腐蚀性。在这种情况下，优选通过电阻焊接不同种类或相同种类的表面处理钢板来形成钢板包层部。更优选地，为了进一步模拟实际的汽车结构，在形成钢板包层部之后，对其进行化学转化处理和电沉积涂布，制备试验片，将试样供给到腐蚀环境中，其腐蚀电阻被评估。腐蚀试验可以通过例如SAE J2334进行。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2013237925A Method for improving corrosion resistance after coating of welded part of steel member, steel member, and method for manufacturing steel member 有权
标题翻译：钢组件焊接部分涂层后的耐腐蚀性，钢构件及其制造方法
公开(公告)号：JP2013237925A
公开(公告)日：2013-11-28
申请号：JP2013080105
申请日：2013-04-08
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： YAMAMOTO TOSHIHIRO , MIZUNO DAISUKE , ANDO SATOSHI , KATAOKA TOKIHIKO
IPC分类号： C23C24/04
摘要： PROBLEM TO BE SOLVED: To provide a method for improving corrosion resistance after coating of a welded part of a steel member including automobile members such as underbody members and the like, and to provide a steel member and a method for manufacturing a steel member.SOLUTION: A method for improving corrosion resistance after coating of a welded part of a steel member, includes spraying zinc particles to a welded part of a steel member, where steel sheets are jointed to each other by welding, to coat the welded part with a zinc layer.
摘要翻译：要解决的问题：提供一种用于提高包括诸如底部构件等的汽车构件的钢构件的焊接部分的涂覆后的耐腐蚀性的方法，并且提供钢构件和钢构件的制造方法。：一种用于提高钢构件的焊接部分涂覆后的耐腐蚀性的方法，包括将锌粒子喷射到钢构件的焊接部分，其中钢板通过焊接彼此接合，以用锌涂覆焊接部分层。

5. 发明专利

JP2010275632A Zn-Mg-BASED PLATED STEEL SHEET AND METHOD FOR PRODUCING THE SAME 有权
标题翻译：基于Zn-Mg的镀层钢板及其制造方法
公开(公告)号：JP2010275632A
公开(公告)日：2010-12-09
申请号：JP2010104456
申请日：2010-04-28
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MIZUNO DAISUKE , TOBIYAMA YOICHI , SUGIMOTO YOSHIHARU , KAJIYAMA HIROSHI , FUJITA SAKAE
IPC分类号： C23C2/06 , C23C2/28 , C23C2/40
摘要： PROBLEM TO BE SOLVED: To provide a Zn-Mg-based plated steel sheet having workability equal to that of a hot-dip galvanized steel sheet while securing excellent corrosion resistance, and to provide a method for producing the same. SOLUTION: The hot-dip Zn-Mg-based plated steel sheet has a plating layer in which a Zn-Mg-based intermetallic compound phase comprising, by mass, 0.1 to 2.0% Al, 3.0 to 10.0% Mg, and the balance Zn with inevitable impurities, and in which a Zn-Mg-based intermetallic compound phase with the average major axis of 1 to 200 μm is present, included on the surface thereof. Further, the hot-dip Zn-Mg-based plated steel sheet is obtained by performing plating treatment in a plating bath composed of, by mass, 0.1 to 2.0% Al, 3.0 to 10.0% Mg, and the balance Zn with inevitable impurities in such a manner that the temperature of the plating bath is made higher than the liquidus temperature of the alloy having a composition in the plating bath by 10 to 80°C and then performing cooling at the average cooling rate of 1 to 100°C/s from the plating bath temperature to the solidification of the plating. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有与热浸镀锌钢板相当的加工性能的Zn-Mg系镀覆钢板，同时确保优异的耐腐蚀性，并提供其制造方法。解决方案：热浸Zn-Mg系镀覆钢板具有镀层，其中Zn-Mg类金属间化合物相以质量计含有0.1〜2.0％的Al，3.0〜10.0％的Mg，以及在其表面上包含具有不可避免的杂质的Zn，其中存在平均长轴为1〜200μm的Zn-Mg系金属间化合物相。此外，通过在以质量计为0.1〜2.0％的Al，3.0〜10.0％的Mg，余量为Zn与不可避免的杂质的镀液中进行电镀处理，得到热浸镀Zn-Mg系镀覆钢板使电镀液的温度比镀浴中的组成为10〜80℃的合金的液相线温度高，然后以1〜100℃/秒的平均冷却速度进行冷却从镀浴温度到镀层的凝固。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2012162762A Chemical conversion treatment method of steel member, method for manufacturing coated steel member having electrodeposition coating and coated steel member 有权
标题翻译：钢构件的化学转化处理方法，制造具有电沉积涂层和涂层钢构件的涂层钢构件的方法
公开(公告)号：JP2012162762A
公开(公告)日：2012-08-30
申请号：JP2011022837
申请日：2011-02-04
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： ANDO SATOSHI , MIZUNO DAISUKE , YAMAMOTO TOSHIHIRO , KATAOKA TOKIHIKO
IPC分类号： C23C22/12 , B23K9/173 , C23C22/36
摘要： PROBLEM TO BE SOLVED: To provide a coated steel member excellent in corrosion resistance at welded parts.SOLUTION: The coated steel member is obtained by carrying out a chemical conversion treatment and an electrodeposition coating on a steel member formed by welding steel plates. The chemical conversion treatment comprises: carrying out a surface conditioning treatment using a surface conditioner containing a zinc phosphate colloid; and subsequently carrying out a zinc phosphate treatment using a zinc phosphate treatment agent having a fluorine concentration of ≥100 mass ppm.
摘要翻译：要解决的问题：提供焊接部件的耐腐蚀性优异的涂层钢构件。解决方案：通过在通过焊接钢板形成的钢构件上进行化学转化处理和电沉积涂层来获得涂覆钢构件。化学转化处理包括：使用含有磷酸锌胶体的表面处理剂进行表面调理处理; 使用氟浓度≥100质量ppm的磷酸锌处理剂进行磷酸锌处理。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2011027710A Method for evaluating perforation corrosivity surface-treated steel sheet 有权
标题翻译：用于评估腐蚀性表面处理钢板的方法
公开(公告)号：JP2011027710A
公开(公告)日：2011-02-10
申请号：JP2010013900
申请日：2010-01-26
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： SUZUKI SACHIKO , MIZUNO DAISUKE , KAJIYAMA HIROSHI , FUJITA SAKAE , SUGIMOTO YOSHIHARU
IPC分类号： G01N17/00 , G01N33/20
摘要： PROBLEM TO BE SOLVED: To provide a method for evaluating perforation corrosivity of surface-treated steel sheet capable of exactly simulating the phenomenon of perforation corrosion on an actual vehicle.
SOLUTION: The method for evaluating perforation corrosivity of a surface-treated steel includes the steps of overlapping two surface-treated steel sheets so as to form an overlapping part with W of 20-60 mm in width and L of 60 mm in length, spot-welding at minimum two points with an interval D of 30-60 mm along the direction of the length L in a region 10 mm or greater more inner than the outer of the overlapping part, and conducting a corrosion test to a test piece produced using conversion treatment and electrodeposit at the corrosion rate of steel and galvanization of 55-98 that is determined by previously conducting a corrosion test to a test piece produced similarly to the test piece above using two steel sheets and two galvanized sheets.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够精确模拟实际车辆的穿孔腐蚀现象的表面处理钢板的穿孔腐蚀性的评价方法。解决方案：用于评价表面处理钢的穿孔腐蚀性的方法包括以下步骤：将两个表面处理的钢板重叠，以形成宽度为20-60mm的W和60mm的L的重叠部分长度，在距离重叠部分的外侧多10mm以上的区域中沿着长度L的方向的间隔D为30〜60mm的最小两点进行点焊，并对试验进行腐蚀试验使用转化处理和电沉积以钢的腐蚀速率和55-98的镀锌，其通过对使用两个钢板和两个镀锌板类似于上述试件制造的试件进行腐蚀试验而确定。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2010275634A Zn-Mg-BASED PLATED STEEL SHEET AND METHOD FOR PRODUCING THE SAME 有权
标题翻译：基于Zn-Mg的镀层钢板及其制造方法
公开(公告)号：JP2010275634A
公开(公告)日：2010-12-09
申请号：JP2010104458
申请日：2010-04-28
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MIZUNO DAISUKE , TOBIYAMA YOICHI , SUGIMOTO YOSHIHARU , KAJIYAMA HIROSHI , FUJITA SAKAE
IPC分类号： C23C2/06 , C22C18/00 , C23C2/28
摘要： PROBLEM TO BE SOLVED: To provide a Zn-Mg-based plated steel sheet which has excellent corrosion resistance and workability, and to provide a method for producing the same.
SOLUTION: The surface of the Zn-Mg-based plated steel sheet is provided with a plating layer comprising 0.1 to 2.0% Al and 3.0 to 10.0% Mg, and the balance Zn with inevitable impurities, wherein the area ratio of Zn-Mg-based intermetallic compound phases other than intermetallic compounds in an eutectic structure exposed to the surface of the plating to the whole of the surface of the plating is 5 to 80%. Further, the hot dip Zn-Mg based plated steel sheet is obtained by performing plating treatment in a plating bath comprising, by mass, 0.1 to 2.0% Al, 3.0 to 10.0% Mg, and the balance Zn with inevitable impurities in such a manner that the temperature in the plating bath is made higher by 10 to 80°C than the liquidus temperature of the alloy having the composition in the plating bath, and then performing cooling from the liquidus temperature of the alloy having the composition in the plating bath to a prescribed temperature at a cooling rate of 1 to 100°C/s.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有优异的耐腐蚀性和可加工性的Zn-Mg基电镀钢板，并提供其制造方法。解决方案：Zn-Mg系镀覆钢板的表面设置有镀层，其含有0.1〜2.0％的Al和3.0〜10.0％的Mg，余量为Zn与不可避免的杂质，Zn的面积比除暴露于电镀表面的共晶结构以外，金属间化合物以外的金属间化合物相至镀层的整个表面为5〜80％。此外，通过在含有0.1〜2.0％Al，3.0〜10.0％Mg，余量为Zn和不可避免的杂质的镀液中进行电镀处理，得到热浸镀Zn-Mg系镀覆钢板使电镀液中的温度比镀浴中具有组成的合金的液相线温度高10〜80℃，然后从镀浴中具有组成的合金的液相线温度进行冷却，冷却速度为1〜100℃/ s的规定温度。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2010275633A Zn-Mg-BASED PLATED STEEL SHEET 有权
标题翻译：基于Zn-Mg的镀锌钢板
公开(公告)号：JP2010275633A
公开(公告)日：2010-12-09
申请号：JP2010104457
申请日：2010-04-28
申请人： Jfe Steel Corp , Jfeスチール株式会社
发明人： MIZUNO DAISUKE , TOBIYAMA YOICHI , SUGIMOTO YOSHIHARU , KAJIYAMA HIROSHI , FUJITA SAKAE
IPC分类号： C23C2/06 , C22C18/00
摘要： PROBLEM TO BE SOLVED: To provide a Zn-Mg-based plated steel sheet having excellent corrosion resistance and workability, and to provide a method for producing the same.
SOLUTION: The plated steel sheet has a plating layer, on the surface, having a composition comprising 0.1 to 2.0% Al, 3.0 to 10.0% Mg, and the balance Zn with inevitable impurities, and in which the Mg content [Mg] (mass%) in the plating layer and the average major axis X (μm) of a Zn-Mg-based intermetallic compound phases other than intermetallic compounds in eutectic structure present in the plating layer satisfies inequality; 2.25-0.25×[Mg]
摘要翻译：要解决的问题：提供具有优异的耐腐蚀性和可加工性的Zn-Mg基电镀钢板，并提供其制造方法。电镀钢板的表面具有含有0.1〜2.0％的Al，3.0〜10.0％的Mg，余量的Zn与不可避免的杂质的组成，其中Mg含量[Mg （质量％）和电镀层中存在的共晶结构以外的金属间化合物以外的Zn-Mg类金属间化合物相的平均长轴X（μm）满足不等式; 2.25-0.25×[Mg]

10. 发明专利

JP2017078711A 腐食生成物の種類および量の予測方法有权
公开(公告)号：JP2017078711A
公开(公告)日：2017-04-27
申请号：JP2016191790
申请日：2016-09-29
申请人： Jfeスチール株式会社 , Jfe Steel Corp
发明人： KAMO YUICHI , MIZUNO DAISUKE , WATANABE YUICHI
IPC分类号： G01N17/00
摘要：【課題】金属材料の腐食、特にめっき鋼板の一般的な腐食状況である、めっきのみの腐食によって生成する腐食生成物の種類および量の予測方法を提供する。【解決手段】化学平衡計算で使用する初期条件を設定する設定工程と、化学平衡計算を実行して、予測時点における腐食生成物の種類および量を求める実行工程とをそなえ、設定工程では、初期条件として、予測時点における水膜の組成を考慮し、この考慮する組成を、金属材料の腐食開始前における水膜の組成に、予測時点における金属材料から溶出した金属イオンの水膜内の濃度と、濃化Cl-と濃化OH-の水膜内の濃度とを、加えることにより設定し、その際、濃化OH-に対する濃化Cl-のmol濃度比rを0.5〜1.0の範囲として、所定の式により、濃化Cl-および濃化OH-の濃度を算出する。【選択図】図1

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