JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objective

This lab course is designed to conduct the experiments on electrodeposition,

verification of Faraday’s laws and evaluation of factors affecting on corrosion

Course outcomes: Through this laboratory practice, the student will be able

• 1. To judge the process variables like current efficiency, current density.
• 2. To obtain desired electro deposition.
• 3. Hands on experience on equipment designed for evaluation of corrosion studies.

LIST OF EXPERIMENTS:

• 1. Study the effect of concentration and temperature on conductivity of an aqueous electrolyte (NaCl)
• 2. Verification of Faraday’s laws
• 3. Electroplating of copper on brass and to study the influence of current density on current efficiency.
• 4. Electroplating of Nickel using watt's bath and to study the influence of current density on current efficiency
• 5. Electroplating of chromium on mild steel and to study the influence of current density on current efficiency.
• 6. To anodise the given aluminium sample and observation of microstructure
• 7. To understand the principles in galvanic cell corrosion using "Ferroxyl" indicating test solution.
• 8. To determine the throwing power of electroplating bath
• 9. To study the intergranular corrosion of Austenitic stainless steels
• 10. To conduct electropolishing of stainless steel using Nitric acid batch. List of equipment:
• 1. Rectifier 2. Ammeters 3. Rheostats 4. D C Regulated Power Supply instrument 5. Electropolishing Equipment 6. Multimeters 7. Conductometers 8. Digital weighing balance R18 B.TECH MME III YEAR