Carnegie Mellon University

Richard J. Fruehan

Richard J. Fruehan

U.S. Steel Professor of Materials Science & Engineering
University Professor
Co-Director: Center For Iron & Steelmaking Research
Assoc-Editor: Metallurgical & Materials Transactions

Department of Materials Science & Engineering
Carnegie Mellon University
5000 Forbes Avenue
Pittsburgh, PA 15213-3890


R. J. Fruehan received his Ph.D. degree from the University of Pennsylvania, was a Post Doctoral Fellow at Imperial College London and spent 12 years at U. S. Steel before joining Carnegie Mellon University. He established the Center for Iron and Steelmaking Research in 1985 and is Co-Director. He has published over 200 papers, three books and the holder of seven patents. He is the recipient of numerous international awards and is a member of the National Academy of Engineering.


Ph.D., University of Pennsylvania


  1. Primary metal production with the goal of reducing energy and emissions.
  2. Fundamentals of gas-metal and slag-metal reactions.
  3. Refining of metals for high quality products.
  4. Examining competitive, economic, and environmental issues related to metal production.


"Development of a Decarburization and Slag Formation Model for the Electric Arc Furnace" Hiroyuki Matsuura, Christopher P. Manning, Raimundo A. F. O. Fortes and Richard J. Fruehan, ISIJ International, Volume 48 (2008)

“Reduction of Iron-Oxide-Carbon Composites: Part I.  Estimation for the Rate Constants”  S. Halder and R. J. Fruehan,  Metallurgical and Materials Transactions B, Volume 39B (2008)

“Reduction of Iron-Oxide-Carbon Composites: Part II.  Rates of Reduction of Composite Pellets in a Rotary Hearth Furnace Simulator”,  S. Halder and R. J. Fruehan,  Metallurgical and Materials Transactions B, Volume 39B (2008)

"Reduction of Iron-Oxide-Carbon Composites:  Part III Shrinkage of Composite Pellets During Reduction", S. Halder and Richard J. Fruehan, Metallurgical and Materials Transactions, B, Volume 39B (2008)

“Application of Rapid Inclusion Identification and Analysis to Railway Wheel Steel Microcleanliness”, J. M. Gailbraith, R. J. Fruehan, G. S. Casuccio, M. S.Potter, H. Matsuura, C. P. Lonsdale, 15th International Wheelset Congress, Prague Congress Center, Prague Czech Republic, (2007)