Based on the relationship between cross section variety and resistance of sample, a new formula was put forward to calculate the instantaneous corrosion rate of aluminum alloy.

针对铝合金腐蚀平均速率与瞬时速率的差异，根据腐蚀过程中试样横截面的变化与欧姆电阻的对应关系，建立了新的腐蚀速率计算方法。

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WT5BZ Based on the relationship between cross section variety and resistance of sample, a new formula was put forward to calculate the instantaneous corrosion rate of aluminum alloy.

针对铝合金腐蚀平均速率与瞬时速率的差异，根据腐蚀过程中试样横截面的变化与欧姆电阻的对应关系，建立了新的腐蚀速率计算方法。

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