STUDI KASUS PENGARUH JENIS INHIBITOR TERHADAP LAJU KOROSI ALUMUNIUM ALLOY SERI 6061-T6 DENGAN MEDIA AIR LAUT

Maryanto, Didik (2018) STUDI KASUS PENGARUH JENIS INHIBITOR TERHADAP LAJU KOROSI ALUMUNIUM ALLOY SERI 6061-T6 DENGAN MEDIA AIR LAUT. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Coating inhibitors is a commonly used method of reducing corrosion rates in various industries. Inhibitor coating method needs to be determined because it affects the corrosion resistance. This study aims to determine the ratio of two inhibitors to the corrosion rate on aluminum alloy series 6061-T6. In this research, this coating process applied inorganic inhibitors, as LPS3 inhibitors and CRC SP-400 inhibitors with the immersion and seawater immersion for one week. The process of corrosion rate used three electrode of electrochemical method with sea water with 5 times purifications. Based on data analysis, the comparison between the two inhibitors the LPS3 binder and the inhibitor CRC SP-400 showed that the LPS3 inhibitor was more resistant to corrosion in the immersion method and the immersion of sea water for one week was 0.65474 mpy, whereas in CRC SP400 inhibitors by immersion and immersion method for one week showed the rate of corrosion rate of 0.85544 mpy. The efficiency of two inhibitors showed that the LPS3 inhibitor was more efficient with 45.15% percentage value while the CRC SP400 inhibitor was lower in efficiency with a percentage value of 26.85%

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