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Heavy ingots are widely used in many industrial fields. The coarse grains formed during the process of ingot solidification influence the properties and fracture behaviors of the final products. The coarse grain growth was simulated under different thermal gradients. A 30Cr2Ni4MoV steel ingot was melted in a cubic crucible with dimensions of 15 cm × 10 cm × 23 cm, and the cooling conditions on each...
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