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日本专利JP2006241548中公布了一种弯曲加工性能非常好的Al合金薄板材制造技术。该Al合金板材主要成分包括(质量分数):0.4%～1.5%Si、0.2%～1.2%Mg和不超过1.0%的Fe,其余是Al。该板材合金组织中与Mg2Si相共存的Al-Fe-Si金属间化合物的
Japanese Patent JP2006241548 discloses an Al alloy sheet material manufacturing technology which has excellent bending workability. The main components of the Al alloy sheet comprise (mass fraction): 0.4% -1.5% Si, 0.2% -1.2% Mg and not more than 1.0% Fe, the balance being Al. Al-Fe-Si intermetallic compound coexisting with Mg2Si phase in the plate alloy structure