Development of Nitric Acid Free Desmut Solution for the Aluminum Alloy in Alkaline Etching and Acid Desmut Processes 


Vol. 9,  No. 2, pp. 57-61, Jun.  2003


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  Abstract

A novel nitric acid-free desmut solution has been developed to remove smut, which is produced from a NaOH etching, on the surface of aluminum alloy metal in metal surface treatment processes. Comparing with the performance of 5% HNO3 desmut solution, the mixed acid solution containing 2% H2O2, 0.5% HF, and 10% H2SO4 shows the same effect of smut removal for aluminum alloy samples of A16061 and A15052. To examine the surface alterations of the aluminum samples, in addition, the surface analysis is carried out with scanning electron microscopy (SEM) and electron probe microanalysis (EPMA).

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  Cite this article

[IEEE Style]

C. ST and C. SK, "Development of Nitric Acid Free Desmut Solution for the Aluminum Alloy in Alkaline Etching and Acid Desmut Processes," Clean Technology, vol. 9, no. 2, pp. 57-61, 2003. DOI: .

[ACM Style]

Choo ST and Choi SK. 2003. Development of Nitric Acid Free Desmut Solution for the Aluminum Alloy in Alkaline Etching and Acid Desmut Processes. Clean Technology, 9, 2, (2003), 57-61. DOI: .

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