Home News Press Releases Dr. James P. Best awarded with Georg Sachs Prize 2023 Publications of Ho Yong Um All genres Journal Article (1) Journal Article (1) 1. Journal Article Bae, J. W.; Seol, J. B.; Moon, J.; Sohn, S. S.; Jang, M. J.; Um, H. Y.; Lee, B.-J.; Kim, H. S.: Exceptional phase-transformation strengthening of ferrous medium-entropy alloys at cryogenic temperatures. Acta Materialia 161, pp. 388 - 399 (2018) MPG.PuRe DOI