利索-全球专利检索

  1. 登录
  2. 注册
发明公开
CN107177731A 一种充电电瓶用深冲冷轧钢带及其制备方法和应用 无效 - 驳回

一种充电电瓶用深冲冷轧钢带及其制备方法和应用
摘要：
本发明涉及一种充电电瓶用深冲冷轧钢带及其制备方法和应用，所述钢带的制备方法为：将牌号为BUFD的冷轧板在650‑685℃下进行退火处理；对退火处理后得到的钢带进行平整和表面毛化处理，得到深冲冷轧钢带。本发明将深冲冷轧钢带的延伸率提高到40％左右，提高了其深冲性能和弯曲次数，使其在冲孔拉毛弯曲成型时无断裂，符合电瓶用基带的制备要求。且通过毛化处理使钢带的表面为2D表面，粗糙度为Ra为0.70‑0.90um，有利于在后续对钢带进行电镀加工时增加镀层与钢带的结合面积，使镀层与钢带结合更牢固。适用于工业化生产，具有广阔的应用前景。
摘要（英）：

The invention relates to a deep drawn and cold rolled steel strip for a chargeable battery, and a preparation method and an application thereof. The preparation method of the steel strip comprises the steps of annealing a BUFD cold-rolled strip at 650-685 DEG C; and leveling and roughening the surface of the annealed steel strip to obtain the deep drawn and cold rolled steel strip. The elongation of the deep drawn and cold rolled steel strip provided by the invention increases to 40% or so, and the deep drawing property and the number of bends are improved, so that the steel strip is free of breakage during punching, roughening and bend forming, and meets the preparation requirements of a base strip for the battery. Moreover, the steel strip surface can be roughened into a 2D surface with the roughness Ra of 0.70-0.90 m, and in favor of increasing the bonding area of a plating and the steel strip in the electroplating process of the steel strip subsequently, so that the plating and the steel strip are bonded more firmly. The deep drawn and cold rolled steel strip is applicable for industrialized production, and wide in application prospect.

0/0