The embodiments described herein rely on the ability to cast a distinct alloy into the head of an ingot, and to secure a reliable metallurgical bond between the parent alloy of the ingot and the softer alloy. The timing of the addition of the distinct alloy and the composition of the distinct alloy are important for success, and in turn reduction in the alligatoring defect.
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Wagstaff, Samuel Robert; Finn, Mark; Gaensbauer, David; Wagstaff, Robert; Murad, Luiz; and Hobbis, Andrew, "A METHOD FOR REDUCING ALLIGATORING DURING THE HOT ROLING PROCESS OF ALUMINUM INGOTS", Technical Disclosure Commons, (November 07, 2023)