PENGARUH VARIASI RAPAT ARUS ELECTROPLATING
NIKEL TERHADAP KETEBALAN LAPISAN, PENAMPILAN
DAN KETAHANAN KOROSI MATERIAL PIPA SEAMLESS A
106
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Institusion
INSTITUT TEKNOLOGI DIRGANTARA ADISUTJIPTO
Author
ANDRIATAMA, YANIKO
Subject
T Technology (General)
Datestamp
2024-06-28 08:32:18
Abstract :
Electroplating develops rapidly and becomes a necessity in the industrial field and the first choice of various coating methods. ASTM A106 pipe is a standard specification for seamless carbon steel pipe for high temperature services. The purpose of this study was to investigate the effects of variations in the current density of nickel electroplating on coating thickness, appearance and corrosion resistance of A106 seamless pipe. The research method was an experimental method. The material was A106 seamless pipe. The comparisons of nickel electroplating processes were 40V with the current density of 7.6 A/dm2 , 60V with the current density of 11.4 A/dm2 , and 80V with the current density of 15.2 A/dm2 within 60 minutes of time. The process of cutting the material was done at home industry Srambit Khrum. Coating thickness and corrosion resistance tests were carried out at the Technical Materials Laboratory of UGM Yogyakarta. This study showed that the longer the dyeing time, so the greater the thickness of the nickel-chrome layer. This is due to the fact that more nickel ions are deposited on the A106 seamless pipe substrate. Electroplating test results indicated that the voltage of 40V looked dull and rough, 60V with the current density of 11.4 A / dm2 look a bit shiny but physically still rough, and 80V looked shiny and smooth on the physic. The higher current density used reduced the corrosion rate of A106 seamless pipe.
Electroplating develops rapidly and becomes a necessity in the industrial field and the first choice of various coating methods. ASTM A106 pipe is a standard specification for seamless carbon steel pipe for high temperature services. The purpose of this study was to investigate the effects of variations in the current density of nickel electroplating on coating thickness, appearance and corrosion resistance of A106 seamless pipe. The research method was an experimental method. The material was A106 seamless pipe. The comparisons of nickel electroplating processes were 40V with the current density of 7.6 A/dm2 , 60V with the current density of 11.4 A/dm2 , and 80V with the current density of 15.2 A/dm2 within 60 minutes of time. The process of cutting the material was done at home industry Srambit Khrum. Coating thickness and corrosion resistance tests were carried out at the Technical Materials Laboratory of UGM Yogyakarta. This study showed that the longer the dyeing time, so the greater the thickness of the nickel-chrome layer. This is due to the fact that more nickel ions are deposited on the A106 seamless pipe substrate. Electroplating test results indicated that the voltage of 40V looked dull and rough, 60V with the current density of 11.4 A / dm2 look a bit shiny but physically still rough, and 80V looked shiny and smooth on the physic. The higher current density used reduced the corrosion rate of A106 seamless pipe.
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