The invention relates to the field of metal machining, in particular to a rolled copper foil for manufacturing a copper mesh and a preparation method of the of rolled copper foil. The rolled copper foil is obtained by conducting vacuum induction melting on cathode copper with the purity greater than or equal to 99.99% to obtain a copper ingot, conducting hot rolling and coiling on the copper ingot to obtain a copper plate, finishing the surface of the copper plate, and conducting rough rolling, intermediate rolling, pre-finish rolling and finished product rolling on the copper plate, wherein annealing treatment is carried out in each rolling process, and the obtained rolled copper foil comprises the following components of, in percentage by weight, greater than 99.95% of Cu and less than 0.03% of impurity elements, the impurity elements comprise of 0.0015% of Fe, 0.0016% of P, 0.0011% of S, 0.0031% of O and 0.0002% of Zn, the thickness of the rolled copper foil is (0.05-0.10) +/-0.001 millimeter, the width of the copper foil is greater than 610 millimeters, the electric conductivity of the rolled copper foil is greater than 99% IACS, the resistivity is 0.01730-0.01733 omega.millimeter<2>/m, the tensile strength is 160-240 Mpa, the ductility is 15%-16.5%, the average diameter of metallographic structure grains of copper in the rolled copper foil is less than 12 micrometers, and the rolled copper foil is ideal base metal for preparing the copper mesh for lightning protection.

    本发明涉及金属加工领域,具体涉及一种用于铜网制作的压延铜箔及其制备方法,采用纯度≥99.99%的阴极铜进行真空感应熔炼,得到铜锭后,对铜锭进行热轧成卷得到铜板,精整铜板表面,铜板经粗轧、中轧、预精轧、成品轧制得到压延铜箔,其中每一道轧制过程中退火处理,得到的压延铜箔各组分的重量百分比含量如下:Cu>99.95%,杂质元素<0.03%,所述杂质元素为Fe、P、S、O、Zn,其中,Fe为0.0015%,P为0.0016%,S为0.0011%,O为0.0031%,Zn为0.0002%。所述压延铜箔的厚度为(0.05~0.10)±0.001mm,所述铜箔的宽度>610mm,所述压延铜箔的导电率>99%IACS,电阻率为0.01730~0.01733Ω·mm2/m,抗拉强度为160~240Mpa,延伸率为15~16.5%,所述压延铜箔中铜的金相组织晶粒的平均直径小于12um,是制备防雷击用铜网的理想母材。


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    Title :

    Rolled copper foil for manufacturing copper mesh and preparation method of rolled copper foil


    Additional title:

    用于铜网制作的压延铜箔及其制备方法


    Contributors:
    ZHANG SHIQING (author) / LI FANG (author) / ZHAO ZHEN (author) / WANG HONG (author) / NIE ZUNYU (author) / HE QINSHENG (author) / JIANG YANBIN (author) / ZHANG RUIYAN (author)

    Publication date :

    2021-09-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B21B Walzen von Metall , ROLLING OF METAL / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS / C22B PRODUCTION OR REFINING OF METALS , Gewinnen oder Feinen von Metallen / C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS , Verändern der physikalischen Struktur von Nichteisenmetallen oder Nichteisenlegierungen



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