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The Effects Of Carbon Equivalent, Return Ratios, Mold Preparation, Riser Feed And Casting Temperature On The Microstructural And Mechanical Properties Of 100-70-03 Pearlitic Ductile Iron, Erin Vandusen
Dissertations, Master's Theses and Master's Reports
The most common and costly detriments to ductile iron foundries are casting defects, particularly in new and complex components. The ability to understand the factors and processes that create microstructures and the associated properties would allow accurate virtual predictions of casting outcomes. An experimental study of standard foundry variables, carbon equivalent, return ratio, mold preparation, riser feed, and casting temperature on a target of 100-70-03 pearlitic, hypereutectic ductile iron provided the groundwork for an ICME database. Density decreased when the fraction of graphite nodules was greater due to the low density of graphite. A greater percentage of return scrap and …