A Study on the Process of Bronze Corrosion by the Methods of IR-Reflection and IR-Photoacoustics Spectra

Chem. J. Chinese Universities ›› 1992, Vol. 13 ›› Issue (1): 31.

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A Study on the Process of Bronze Corrosion by the Methods of IR-Reflection and IR-Photoacoustics Spectra

FAN Chong-zheng¹, HU Ke-liang¹, WANG Chang-sui¹, WANG Sheng-jun¹, WU You-shi²

1. Dept. of Modern Chem., The Univ. of Science and Tehcnology of China, Hefei, 230026;
2. Anhui Institute of Mechanics and Electronics, Wuhu

Received:1991-03-28 Online:1992-01-24 Published:1992-01-24

Abstract

Abstract: The surface of self-made Cu-Sn-Pb alloy was corroded by HCl, and the process of corrosion was detected by the methods of IR-reflection and IR-photoacoustic spectra in situ.It was found that the powder rust-eaten product (Cu₂(OH)₃Cl) develops fast; the bronze corrosion forms via the intermediate CuCl; the powder state corrosion (PSC) was infectious; and that the particle of PSCscattered light seriously.The results above is discussed and the mechanism of PSC-formation is searched with the thermodynamical calculations.

Key words: Corrosion, IR-reflection, IR-photoacoustic spectra, Thermodynamics

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FAN Chong-zheng, HU Ke-liang, WANG Chang-sui, WANG Sheng-jun, WU You-shi. A Study on the Process of Bronze Corrosion by the Methods of IR-Reflection and IR-Photoacoustics Spectra[J]. Chem. J. Chinese Universities, 1992, 13(1): 31.

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A Study on the Process of Bronze Corrosion by the Methods of IR-Reflection and IR-Photoacoustics Spectra

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