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发明公开
CN105008563A 用于制造汽车半成品或构件的铝合金、由其制造铝合金带的方法以及铝合金带及其应用 失效 - 权利终止

用于制造汽车半成品或构件的铝合金、由其制造铝合金带的方法以及铝合金带及其应用
摘要：
本发明涉及一种用于制造汽车的半成品或构件的铝合金，其中该铝合金的合金成分具有以下含量(重量％)：Fe≤0.80％,Si≤0.50％,0.90％≤Mn≤1.50％,Mg≤0.25％,Cu≤0.125％,Cr≤0.05％,Ti≤0.05％,V≤0.05％,Zr≤0.05％,剩余铝,不可避免的杂质元素单独＜0.05％，总量＜0.15％，而且Mg和Cu的组合含量满足以下关系(重量％)：0.15％≤Mg+Cu≤0.25％，其中铝合金的Mg含量大于铝合金的Cu含量。本发明还涉及一种用于由这类铝合金制造铝合金带的方法，该方法包括：由按照本发明的铝合金铸造轧制锭；轧制锭在480℃至600℃下均质化至少0.5小时；轧制锭在280℃至500℃下热轧成铝合金带；铝合金带冷轧至最终厚度；并且对铝合金带进行再结晶的最终退火。本发明另外还涉及由该方法制成的铝合金带以及按照本发明的铝合金的应用和由按照本发明的铝合金带制成的板材。
摘要（英）：

The invention relates to an aluminium alloy for producing semi-finished products or components for motor vehicles, in which the alloy constituents of the aluminium alloy have the following proportions in wt.%: Fe <= 0.80 %, Si <= 0.50 %, 0.90 % <= Mn <= 1.50 %, Mg <= 0.25 %, Cu <= 0.125 %, Cr <= 0.05 %, Ti <= 0.05 %, V <= 0.05 %, Zr <= 0.05 %, the remainder being aluminium, and inevitable accompanying elements at < 0.05 % individually and < 0.15 % in total, and the combined proportion of Mg and Cu satisfying the following relation in wt.%: 0.15 % <= Mg + Cu <= 0.25 % where the proportion of Mg in the aluminium alloy is greater than the proportion of Cu in the aluminium alloy.; The invention also relates to a method for producing an aluminium alloy strip from such an aluminium alloy, comprising the following steps: casting a rolling ingot consisting of a claimed aluminium alloy, homogenising the rolling ingot at 480 DEG C to 600 DEG C for at least 0.5 h, hot rolling the rolling ingot at 280 DEG C to 500 DEG C to form an aluminium alloy strip, cold rolling the aluminium alloy strip to its final thickness, followed by the re-crystallising, final annealing of said aluminium alloy strip. The invention also relates to an aluminium alloy strip produced according to this method, as well as to uses for the claimed aluminium alloy and a metal sheet produced from the claimed aluminium alloy strip.

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