Abstract
Electrodeposition is considered an easy and cost effective technique for the manufacture of alloy layers. Various properties for coatings can be achieved by selecting various electrodeposition parameters. These materials have the advantage of corrosion resistance but relatively expensive. They will need alternative materials that can easily obtained and replace these materials. This paper discusses the process of coating stainless steel AISI 304 and copper with Ni. Electric current and coating time is used in the electroplating coating process of Ni to Ni thickness supported by ultrasonic batch. AISI 304 stainless steel and copper coated using nickel (Ni) with variable time and fixed electric current parameters. The electric current used 1.5 ampere, the time of plating process of 60 seconds, 120 seconds, and 180 seconds. The composition of nickel electrolyte solutions using nickel sulfate 300 gr/L, nickel chloride 30 gr/L, and sour borax 30 gr/L with brighteners added one (I) 15 mL and brighteners two (II) 1 mL. Measurement of thickness is done by using optical microscope assisted by imageraster software. The best process used 1.5 amperes of electric current and time of 180 seconds. The value of copper thickness is 26.50 (μm) using ultrasonic batch.
Highlights
Coating is a technology that is well known in the field of industry
Physical Vapor Deposition (PVD) was developed to produce a thin layer with a range of nanometer thickness up to a micrometer in a vacuum
The quality of the electroplating coating is influenced by the type of solution and the current flowed through the electrode [4]
Summary
The advantage of coating technique is to improve the quality of the material. Its quality that can be improved include mechanical properties, physical properties, chemical properties and decorations. Increased mechanical properties are resistance to wear and increased hardness, chemical properties of coated material can be corrosion resistant, while the physical properties is to smooth the surface of the sighting side. Coating technology can be carried out by various process methods such as Physical Vapor Deposition (PVD), Chemical Vapor Deposition (CVD), spraying, deep coating and electroplating. The method of coating that has been developed has its own unique advantages. Electroplating is the process of solving the coating in a solution assisted by the flow of electricity. The quality of the electroplating coating is influenced by the type of solution and the current flowed through the electrode [4]
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