THE IMPEDANCE OF ALUMINUM IN CHLORIDE SOLUTION

J Chin Soc Corr Pro

1983, Vol. 3

Issue (1): 16-21 DOI:

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THE IMPEDANCE OF ALUMINUM IN CHLORIDE SOLUTION

Shen Xingsu Chang Yugin and Gao Xiauyue(Changchun Institute of Applied Chemistry; Academia Sinica)

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Abstract The impedance of aluminum polarized in a chloride solution by a series of anodic current densities from approximate 300μA/cm~2 to 30 mA/cm~2 was determined using a phase sensitive detector.The results show that the relation between log R_f (Faradaic resistance) and logi (applied current density) appears as a straight line with a slope equal to tg (-45°) and the relation between capacitance C and i also appears as a straight line.These results support such a proposition that the active area during anodic dissolution is a linear function of the applied anodic current while the real anodic current density remains practically unchanged so that the potential is also unchanged.

Received: 25 February 1983

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Shen Xingsu Chang Yugin and Gao Xiauyue(Changchun Institute of Applied Chemistry; Academia Sinica). THE IMPEDANCE OF ALUMINUM IN CHLORIDE SOLUTION. J Chin Soc Corr Pro, 1983, 3(1): 16-21.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1983/V3/I1/16

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