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本文用涡流法测定了250多个炉批在M、T_3状态下LY12铝型材的电导率,从而获得了近8000个数据。并在测过电导率的部分材料上进行了硬度测量,对其数据做了系统处理,在符合正态分布规律的基础上得出了LY12铝型材的电导值以及硬度检测的标准范围。
In this paper, the conductivity of LY12 aluminum is measured by the eddy current method in more than 250 furnaces in M and T_3 conditions, and nearly 8000 data are obtained. The hardness of LY12 aluminum material was measured and the standard range of hardness testing was obtained based on the law of normal distribution.