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Effect of Alloying Elements and Heat Treatment on Microstructure and Mechanical Properties of Austempered Ductile Iron by Modulus above 2 Cm
, M.Sc. Thesis Sharif University of Technology ; Varahram, Nasser (Supervisor) ; Ashuri, Hossein (Supervisor)
Abstract
Since its discovery in 1943, the use of ductile iron is increasing continuously, this is due to the combination of various excellent mechanical properties. Excessive amount of research has being carried out to improve the properties. Austempererd ductile iron is the most recent development in this field. The application of this material included to automobile, railway, military, agricultural, mining & construction industries. The newly developed austempered ductile iron is now replacing steel in many fields so it has become very important to various aspects of this material. In this thesis, the effect of alloying elements (copper & nickel) and the austempering process variables on the...