Abstract:Typically, the microstructure of superheavy ingots weighing more than 300 tons consists of centimeter-scale grains. In this study, a forging method for refining and homogenizing such grain structure is proposed on the basis of modeling and simulation results. After a superheavy ingot has been subjected to a single deformation process during FM forging, different areas of the ingot exhibit variations in the degree of deformation and microstructure. The critical value of the equivalent strain for obtaining a fin… Show more
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