Home News Press Releases How to avoid 3.5 billion tons of carbon dioxide per year 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