摘要:
Provided is a Ni-plated steel sheet having excellent press formability. An Fe—Ni diffusion layer and a softened Ni layer formed on the Fe—Ni diffusion layer are formed on a surface of a steel sheet corresponding to an outer surface of a battery can, a semi-bright Ni plating layer is formed on the softened Ni layer, a Ni coating weight of the Fe—Ni diffusion layer and the softened Ni layer formed on the Fe—Ni diffusion layer is set smaller than a Ni coating weight of the semi-bright Ni plating layer, and average roughness Ra of the semi-bright Ni plating layer measured by a traceable roughness gauge is 1.0 μm or more and 2.0 μm or less, and a maximum height Ry of the semi-bright Ni plating layer measured by the traceable roughness gauge is 5 μm or more and 20 μm or less. Further, in the above-mentioned Ni-plated steel sheet, the Ni coating weight of the Fe—Ni diffusion layer and the softened Ni layer formed on the Fe—Ni diffusion layer is 5 to 8 g/m2, and the Ni coating weight of the semi-bright Ni plating layer is 8 g/m2 or more. Further, surface roughness Ra′ of a surface of the semi-bright Ni plating layer in an area of 2.5 μm×2.5 μm which is obtained by an atomic force microscope falls within a range from 5 to 22 nm.
摘要翻译:本发明提供一种压制成型性优异的镀镍钢板。 在与电池壳体的外表面相对应的钢板的表面上形成有在Fe-Ni扩散层上形成的Fe-Ni扩散层和软化Ni层,在软化后形成半亮度Ni镀层 Ni层,Fe-Ni扩散层的Ni镀层重量和Fe-Ni扩散层上形成的软化Ni层的比例设定为小于半亮度Ni镀层的Ni涂层重量,平均粗糙度Ra 通过可追溯粗糙度计测量的半亮度Ni镀层为1.0μm以上且2.0μm以下,通过可追溯粗糙度计测定的半亮度Ni镀层的最大高度Ry为5μm以上且20μm 或更少。 此外,在上述镀镍钢板中,Fe-Ni扩散层的Ni涂层重量和Fe-Ni扩散层上形成的软化Ni层的重量为5〜8g / m 2,Ni涂层重量 的半光亮镀Ni层为8g / m 2以上。 此外,通过原子力显微镜得到的半亮度Ni镀层的表面的2.5μm×2.5μm的表面的表面粗糙度Ra'在5〜22nm的范围内。
摘要:
Provided is a Ni-plated steel sheet being excellent in press formability and suppression of wear of a mold and capable of maintaining alkali battery characteristic even after a lapse of time. In a Ni-plated steel sheet for a battery can having excellent press formability, an Fe—Ni diffusion layer and a Ni layer formed on the Fe—Ni diffusion layer are formed on a surface of a steel sheet corresponding to an outer surface of the battery can, a semi-bright Ni plating layer is formed on the Ni layer, a Ni coating weight of the Fe—Ni diffusion layer and the Ni layer formed on the Fe—Ni diffusion layer is set equal to or smaller than a Ni coating weight of the semi-bright Ni plating layer, the Ni coating weight of the semi-bright Ni plating layer is 2.25 g/m2 or more, surface roughness Ra1 of a surface of the semi-bright Ni plating layer in an area of 2.5 μm×2.5 μm which is measured by an atomic force microscope falls within a range from 3 to 11 nm, and surface roughness Ra2 measured by a traceable roughness gauge is 0.3 μm or more and 2.0 μm or less with respect to the surface roughness Ra of the semi-bright Ni plating layer.
摘要翻译:本发明提供一种压模成型性优异,抑制模具磨损,并且即使经过时间也能够保持碱性电池特性的镀镍钢板。 在具有优异的压制成形性的电镀罐用镀镍钢板中,在与Fe-Ni扩散层的外表面相对应的钢板的表面上形成Fe-Ni扩散层和形成在Fe-Ni扩散层上的Ni层 电池罐,在Ni层上形成半亮Ni镀层,将Fe-Ni扩散层的Ni镀层重量和形成在Fe-Ni扩散层上的Ni层设定为等于或小于Ni涂层 半亮度Ni镀层的重量,半亮度Ni镀层的Ni涂层重量为2.25g / m 2以上,半亮度Ni镀层的面积为2.5μm的表面的表面粗糙度Ra1 通过原子力显微镜测定的×2.5μm,在3〜11nm的范围内,通过可追溯粗糙度计测定的表面粗糙度Ra2相对于表面粗糙度Ra为0.3μm以上且2.0μm以下 半光亮镀镍层。
摘要:
Provided is a Ni-plated steel sheet having excellent press formability. An Fe—Ni diffusion layer and a softened Ni layer formed on the Fe—Ni diffusion layer are formed on a surface of a steel sheet corresponding to an outer surface of a battery can, a semi-bright Ni plating layer is formed on the softened Ni layer, a Ni coating weight of the Fe—Ni diffusion layer and the softened Ni layer formed on the Fe—Ni diffusion layer is set smaller than a Ni coating weight of the semi-bright Ni plating layer, and average roughness Ra of the semi-bright Ni plating layer measured by a traceable roughness gauge is 1.0 μm or more and 2.0 μm or less, and a maximum height Ry of the semi-bright Ni plating layer measured by the traceable roughness gauge is 5 μm or more and 20 μm or less.
摘要:
A Ni-plated steel sheet is provided in which the occurrence of scratches at the time of forming a battery can is suppressed. Also provided is a method which includes a step where a surface of a steel sheet is plated with Ni in a Ni adhesion amount of 0.3-2 μm, a step where the Ni-plated steel sheet is heated to 600-800° C. to form an Fe−Ni diffusion layer as an outermost surface layer, and a step where the steel sheet is rolled by temper rolling so as to adjust the Fe−Ni diffusion layer so that the steel sheet has the surface roughness Ra of 0.9-2.0 μm and the surface roughness Ry of 4.0-15 μm. A Ni-plated steel sheet which includes an Fe−Ni diffusion layer as an outermost surface layer and in which the diffusion layer has the surface roughness Ra of 0.9-2.0 μm and the surface roughness Ry of 4.0-15 μm and the diffusion layer has such an Fe/Ni ratio that the Fe accounts for 20-50% in Auger analysis is subjected to drawing using a water-soluble liquid which contains water-soluble emersion as a press lubricant.
摘要:
A Ni-plated steel sheet is provided in which thee occurrence of scratches at the time of forming a battery can is suppressed. Also provided is a method which includes a step where a surface of a steel sheet is plated with Ni in a Ni adhesion amount of 0.3-2 μm, a step where the Ni-plated steel sheet is heated to 600-800° C. to form an Fe−Ni diffusion layer as an outermost surface layer, and a step where the steel sheet is rolled by temper rolling so as to adjust the Fe−Ni diffusion layer so that the steel sheet has the surface roughness Ra of 0.9-2.0 μm and the surface roughness Ry of 4.0-15 μm. A Ni-plated steel sheet which includes an Fe−Ni diffusion layer as an outermost surface layer and in which the diffusion layer has the surface roughness Ra of 0.9-2.0 μm and the surface roughness Ry of 4.0-15 μm and the diffusion layer has such an Fe/Ni ratio that the Fe accounts for 20-50% in Auger analysis is subjected to drawing using a water-soluble liquid which contains water-soluble emersion as a press lubricant.
摘要:
A bakery case-use surface-treated steel sheet excellent in battery performance, a battery case and a battery using it. The battery case is obtained by forming, on the Surface corresponding to a battery case of a inner surface of a steel sheet to be plated a surface-treated steel sheet having a nickel-plated layer as a lower layer and a nickel-phosphorus alloy plated layer or a nickel-cobalt-phosphorus alloy plated layer as an upper layer by a deep drawing method, a DI (drawing and ironing) method or a DTR (drawing thin and redraw) method.