本發(fā)明涉及材料加工領(lǐng)域，具體是指一種具有電磁屏蔽功能的鋁合金其加工方法,該合金的質(zhì)量百分?jǐn)?shù)為：2?4％的鎂,0.5?1％的銅,0.01?0.1％的硅,0.002?0.02％的鋰,0.002?0.02％的銻,0.005?0.05％的鐵,0.002?0.02％的鎳,0.011?0.075％的硼，0.005?0.05％的鈷,0.003?0.03％的鈮,0.02?0.3％的石墨烯,0.024?0.72％的導(dǎo)電聚合物,其余為鋁和不可避免的雜質(zhì),由鐵、鈮、硼形成的材料吸收和消耗電磁波的能力的能力強(qiáng)，能將物體外部的電磁波吸收，從而達(dá)到屏蔽的作用，經(jīng)過測試，在該材料電磁屏蔽性能為50?120dB。