Comparison of Mechanical Properties ofAustenitic Ductile Cast Iron with Ferritic/Pearlitic Ductile Cast Iron Dissertation submitted to the National Institute of Technology Rourkela in partial fulfillment of the requirements of the degree of Master of technology (Research) in Metallurgical and Materials Engineering by Shaik Shama (Roll Number: 613MM3016) under the supervision of Prof. Sudipta Sen January, 2017 Department of Metallurgical and Materials Engineering National Institute of Technology Rourkela Odisha, India