Abstract:
PROBLEM TO BE SOLVED: To provide a surface-treated steel sheet for hot pressing, capable of yielding a hot-pressed member excellent in pitting corrosion resistance, even when exposed to a corrosive environment, and a method for manufacturing the hot-pressed member using the same. SOLUTION: The surface-treated steel sheet for hot pressing has a Zn-Al alloy plating layer containing >50 mass% but ≤60 mass% Al and an inorganic compound having a melting point of 500-1,000°C deposited in this order on the surface of the steel sheet. The amounts of the Zn-Al alloy plating layer and the inorganic compound deposited are 20-100 g/m 2 and 1-5,000 mg/m 2 , respectively, per one side of the steel sheet. COPYRIGHT: (C)2011,JPO&INPIT
Abstract translation:待解决的问题:即使在暴露于腐蚀性环境中时,也能够提供耐点腐蚀性优异的热压构件的热压用表面处理钢板,以及制造热轧钢板的方法, 按压成员使用相同的。 解决方案:用于热压的表面处理钢板具有含有大于50质量%但≤60质量%Al的Zn-Al合金镀层,并且沉积有熔点为500-1,000℃的无机化合物 在钢板的表面上排列。 Zn-Al合金镀层和沉积的无机化合物的量分别为20-100g / m 2 SP 2和1-5,000mg / m 2 SP 2 钢板的一面。 版权所有(C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method which can obtain a galvannealed steel sheet having adequate platability even when the steel contains 1.0 mass% or more of Mn. SOLUTION: The method for manufacturing the galvannealed steel sheet having the adequate platability includes: depositing 5-1,000 mg/m 2 of Cr on the surface of a steel sheet containing 1.0-3.0 mass% Mn by an electroplating method, a vapor deposition method, an ion plating method or the like; and then subjecting the plated steel sheet to annealing treatment, immersion treatment into a hot-dip galvanizing bath and alloying treatment. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation:要解决的问题:提供即使当钢含有1.0质量%以上的Mn时,也可以获得具有适当的镀覆性的合金化热浸镀锌钢板的制造方法。 解决方案:具有适当的镀覆性的合金化热镀锌钢板的制造方法包括:在含有1.0〜3.0质量%的Mn的钢板的表面上沉积5-1000mg / m 2的Cr 电镀法,蒸镀法,离子镀法等, 然后对电镀钢板进行退火处理,浸渍处理到热镀锌浴和合金化处理中。 版权所有(C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a method for production of a warm-pressed member capable of securing a corrosion resistance after coating.SOLUTION: The method for production of the warm-pressed member is characterized by heating in the range of 200 to 800°C, a steel sheet having on its surface, a Zn-Ni alloy plating layer comprising 10-25 mass% of Ni and the balance Zn with inevitable impurities and of an adherence amount of 10-90 g/m, and then warm-press molding within the above temperature range.
Abstract translation:要解决的问题:提供一种能够确保涂覆后耐腐蚀性的温热部件的制造方法。 解决方案:用于生产温热构件的方法的特征在于在200至800℃的范围内加热,其表面上的钢板包含10-25质量%的Zn-Ni合金镀层, 的Ni,余量为Zn与不可避免的杂质,粘附量为10-90g / m 2,然后在上述温度范围内进行热压成型。 版权所有(C)2013,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a steel sheet for hot pressing from which a hot press member excellent in pitting corrosion resistance is obtained, and to provide a method for production of a hot press member using the steel sheet.SOLUTION: The steel sheet for hot pressing is characterized by including on the surface of the steel sheet in turn: a plated layer I comprising ≥60 mass% of Ni and the balance Zn with inevitable impurities and having an adherence amount of 0.01-5 g/m; and a plated layer II comprising 10-25 mass% of Ni and the balance Zn with inevitable impurities and having the adherence amount of 10-90 g/m.
Abstract translation:要解决的问题:提供一种热压钢板,从而获得耐点腐蚀性优异的热压构件,并提供一种使用该钢板的热压构件的制造方法。 解决方案:用于热压的钢板的特征是依次包括在钢板的表面上:包含≥60质量%的Ni和余量的Zn与不可避免的杂质并且粘附量为0.01的镀层I -5 g / m 2 SP>; 以及包含10-25质量%的Ni和余量的Zn与不可避免的杂质并且具有10-90g / m 2的粘附量的镀层II。 版权所有(C)2013,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a steel sheet for hot pressing having excellent perforation corrosion resistance after hot pressing, and excellent cold pressing property, and a method for producing a hot pressed member using the same.SOLUTION: The steel sheet for hot press has a plating layer I having the deposit of 0.01-5g/m, which contains, by mass, ≥60% Ni and the balance Zn with inevitable impurities, a plating layer II having the deposit of 10-90g/m, which contains 10-25% Ni and the balance Zn with inevitable impurities, and a lubrication layer containing solid lubricant, in this order, on the surface of the steel plate.
Abstract translation:解决的问题:提供热压后具有优异的耐穿孔性的热压钢板以及优异的冷挤压性,以及使用其的热压部件的制造方法。 解决方案:用于热压的钢板具有沉积物0.01-5g / m 2的镀层I,其质量含有≥60%的Ni和 平衡Zn与不可避免的杂质,具有10-90g / m 2的沉积物的镀层II,其含有10-25%的Ni,余量为不可避免的杂质,以及 在该钢板的表面上依次包含固体润滑剂的润滑层。 版权所有(C)2013,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a steel sheet for hot pressing, which has superior oxidation resistance by sufficiently preventing generation of scales or ZnO during hot pressing, and also which has superior liquid metal brittleness resistance without causing the liquid metal embrittlement cracking due to elements contained in a plating layer, and to provide a method of producing a hot-pressed member using the steel sheet.SOLUTION: The steel sheet for hot pressing is characterized by having a plating layer on the surface of a steel sheet, wherein the plating layer has a melting point of ≥800°C and the deposition amount per one surface is 10-90 g/m.
Abstract translation:要解决的问题:提供一种通过充分防止在热压时产生氧化皮或氧化锌而具有优异的抗氧化性的热压用钢板,并且还具有优异的液态金属脆性,而不会引起液体金属脆化裂纹 由于镀层中含有的元素,并且提供使用钢板制造热压部件的方法。 解决方案:用于热压的钢板的特征在于在钢板的表面上具有镀层,其中镀层的熔点为≥800℃,每个表面的沉积量为10-90 g / m 2 SP>。 版权所有(C)2013,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a hot press member which can be manufactured without generating a scale, has the excellent coating adhesive properties and after-coating corrosion resistance, and also can suppress an invasion of hydrogen into steel followed by corrosion; and to provide a method for manufacturing the same.SOLUTION: In the hot press member, an Ni diffusion area exists on a steel plate crust constituting a member. An intermetallic compound layer equivalent to a γ phase existing in a balanced state diagram of a Zn-Ni alloy and a ZnO layer are sequentially provided on the Ni diffusion area, and a natural immersion potential indicated in a 0.5 MNaCl solution in which air at 25±5°C is saturated is -600 to -360 mV under the standard hydrogen electrode reference.
Abstract:
PROBLEM TO BE SOLVED: To provide a hot press formed body which has excellent corrosion resistance after coating and excellent chipping resistance and where a high strength part and a low strength part are coexistent, and a method for manufacturing the same.SOLUTION: The hot press formed body has a plating layer containing Zn and Ni on the surface of a steel plate of the formed body, in which the total of deposition amounts of Zn and Ni is 5-90g/m, and the ratio of Ni deposition amount to the total of the deposition amounts of Zn and the Ni is 10-25 mass%. In the hot press formed body, a high-strength section having tensile strength of ≥1,000 MPa and a low-strength section having tensile strength of
Abstract translation:要解决的问题:提供一种在涂布后具有优异的耐腐蚀性和优异的耐崩裂性以及高强度部分和低强度部分共存的热压成形体及其制造方法。解决方案:热压机 成型体在成形体的钢板的表面上具有含有Zn和Ni的镀层,其中Zn和Ni的沉积量总计为5-90g / m 2,Ni沉积量与总沉积量的比例 的Zn和Ni的沉积量为10-25质量%。 在热压成形体中,拉伸强度≥1000MPa的高强度部分和拉伸强度<1000MPa的低强度部共存。
Abstract:
PROBLEM TO BE SOLVED: To provide a steel sheet for hot pressing, which is capable of suppressing production of scales and ZnO during the hot pressing, excellent in oxidation resistance, and excellent in cold pressing property, and a method for producing a hot pressed member using the same.SOLUTION: The steel plate for hot pressing has a plating layer having the deposit of 10-90 mg/m, which contains, by mass, Ni of 10-25% and the balance Zn with inevitable impurities, and a lubricating layer which contains solid lubricant, on the surface of the steel plate, in this order.
Abstract translation:解决问题的方案:提供一种能够抑制热压成型和ZnO的热压用钢板,耐氧化性优异,耐冷压性优异的制造方法 热压构件使用相同。 解决方案:用于热压的钢板具有10-90mg / m 2的沉积物的镀层,其中质量为10-25的Ni %,余量为Zn的不可避免的杂质,以及含有固体润滑剂的润滑层,依次为钢板表面。 版权所有(C)2013,JPO&INPIT