Sunardi, Sunardi and Wiyono, Slamet and Lusiani, Rina and Listijorini, Erny and Pratama, Wira (2020) Perilaku Kekasaran Permukaan Baja AISI 1045 terhadap Kekerasan dan Laju Korosi serta Daya Lekat Permukaan Hasil Elektroplating. Turbo, 9 (1). pp. 64-69. ISSN ISSN: 2301-6663, e-ISSN: 2477-250X

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Abstract

Electroplating is the coating of metals with thin layers of other metals by electrolysis to improve the surface properties of materials, especially corrosion resistance. Electroplating is widely used in the automotive, electronics, medical, aerospace, gas, and oil industries. This study will discuss the effect of substrate surface roughness of AISI 1045 steel on surface roughness, hardness, corrosion rate, and bonding strength of the coating. The surface roughness of the substrate is obtained by grinding using sandpaper with grades 80, 320, and 1000. In this study, the coating material is Chromium. The electroplating parameters used in this research are a 5-volt voltage, a current of 500 Amperes, and a time of 15 minutes. From this research, it is known that the surface roughness of the substrate material influences the quality of the coating. Lowering the surface roughness improves the roughness, hardness, corrosion rate, and bonding strength.

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