Alloy plate strip for hand phone battery case and manufacturing method thereof
A mobile phone battery and manufacturing method technology, applied in metal rolling, manufacturing tools, metal rolling, etc., can solve the problems of finished alloy quality defects, complex production process, poor stamping performance, etc., and achieve good surface quality and corrosion resistance Good, various performance and stable effects
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specific Embodiment approach 1
[0015] Specific Embodiment 1: This embodiment will be described in detail below. This embodiment is made of Si, Fe, Cu, Mn, Zn, Al, Mg and Ti, and the weight percentage of Si in the total composition is ≤0.04%, Fe The weight percentage of the total composition is 0.40% to 0.60%, the weight percentage of Cu to the total composition is 0.07% to 0.15%, the weight percentage of Mn to the total composition is 1.10% to 1.30%, and the weight percentage of Mg to the total composition is 0.02 % to 0.05%, the weight percentage of Zn in the total composition is ≤0.08%, the weight percentage of Ti in the total composition is 0.02% to 0.03%, and the rest is Al and impurities.
[0016] Mn content has a significant impact on the structure and properties of the alloy. Mn has a certain solid solution strengthening effect, which can prevent the recrystallization process of aluminum and aluminum alloys, increase the recrystallization temperature, and pass MnAl 6 Scattered particles hinder the gr...
specific Embodiment approach 2
[0022] Specific implementation mode two: the following specific description of this implementation mode, this implementation mode is completed by the following steps
[0023] A, smelting, using a gas reverberatory furnace to melt during smelting, and then transferring to a resistance reverberatory furnace according to the percentage by weight of Si in the total composition is ≤0.04%, the percentage by weight of Fe in the total composition is 0.40% to 0.60%, and Cu in the total composition The weight percentage of Mn is 0.07%-0.15%, the weight percentage of Mn in the total composition is 1.10%-1.30%, the weight percentage of Mg in the total composition is 0.02%-0.05%, the weight percentage of Zn in the total composition is ≤0.08%, Ti accounts for 0.02% to 0.03% by weight of the total composition, and the rest is Al and impurities. It is required to adjust the chemical composition, and at the same time add Al-Ti-B wire refiner to refine the grain, and carry out refining, degassin...
specific Embodiment approach 3
[0030] Embodiment 3: This embodiment will be described in detail below. In this embodiment, an annealing process is inserted in step F, and other steps are the same as in Embodiment 2.
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