Optimalisasi Variasi Tegangan Dan Waktu Terhadap Ketebalan Dan Adhesivitas Lapisan Pada Plat Baja Karbon Rendah Dengan Proses Electroplating Menggunakan Pelapis Seng

Yerikho ., Wahyu Purwo Raharjo, Bambang Kusharjanta


Abstract : This research investigates the optimization of zinc coating by varying the voltage (2, 4, 6, and 8 V) and time (10, 20, 30, and 40 minute), to find out the best plating based of the thickness and adhesion. The chatode is mild steel by 30 mm in length, 100 mm in width, and 2.5 mm in height. Electrolyte solution was composed of sodium hydroxide 420 grams, zinc oxide 97.5 grams, rochelle salt 9.75 grams, and aquades 1 litre. Measurement of coating thicknesses was using coating thickness measuring instrument dualscope MPOR and based on ASTM B 499. Qualitative adhesion testing of zing coating was based on ASTM B 571-97.The best plating properties, such as the deposit thickness and adhesion, is obtained at 6 V and 20 minutes.

Keywords : zinc electroplating, thickness, adhesion, voltage, coating time

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Mekanika: Majalah Ilmiah Mekanika

ISSN: 1412-7962 || eISSN: 2579-3144

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