Effects of (Al + N) and (Nb + Mo) Microalloying and Reduction Ratio of Cold Rolling on Abnormal Grain Growth in AISI 4121 Carburizing Steels. - Lee, Sukjin; Seo, Eun Jung; Matlock, D. K.; Speer, John; Cryderman, Robert (Metallurgical & Materials Transactions. Part A, 2025)