Phase diagram calculations in teaching, research, and industry |
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Authors: | Y Austin Chang |
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Affiliation: | (1) Department of Materials Science and Engineering, College of Engineering, University of Wisconsin-Madison, 53706-1595 Madison, WI |
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Abstract: | I have a long-standing interest in alloy thermodynamics/phase diagrams and in utilizing the principles of this subject for
materials research and engineering applications. At the same time, I also have a long association with ASM International as
a member and a former Trustee of the Society. The Society’s initiative in promoting critical assessments of phase diagrams
beginning in the late 1970s rekindled this field and stimulated further research, particularly in phase diagram calculations.
Significant advancements have been made in phase diagram calculations using the Calphad approach since the late 1980s due
primarily to the availability of inexpensive computers and robust software. In this article, I first present the use of computational
thermodynamics including phase diagram calculation in teaching, next the use of calculated phase diagrams, particularly for
multicomponent systems, for materials research/development, and manufacturing, and last describe some current research in
advancing this methodology when the phases involve ordering with decreasing temperature.
He received his BS from the University of California-Berkeley and his MS from the University of Washington-Seattle, both in
Chemical Engineering, and his Ph.D. in Metallurgy from the University of California-Berkeley. After spending 4 years in industry,
he joined the faculty of the College of Engineering and Applied Science, University of Wisconsin-Milwaukee, as Associate Professor
in 1967 and was promoted to Professor in 1970. He served as the Chair of the Materials Department from 1971 to 1977 and then
as the Associate Dean for Research in the Graduate School from 1978–1980. In 1980, he joined the faculty of the University
of Wisconsin-Madison, in the Fall of 1980 as Professor, served as the Chair of the Department of Materials Science and Engineering
from 1982 to 1991, and was named Wisconsin Distinguished Professor in 1988. He delivered the Edward DeMille Campbell Lecture
at the Annual ASM International (ASM) Meeting, Pittsburgh, PA, on October 14, 2003.
Professor Chang has a strong interest in research, teaching, and education. He is a Member of the National Academy of Engineering,
a Foreign Member of the Chinese Academy of Sciences, and Fellow of ASM and the Minerals, Metals and Materials Society (TMS).
He has focused his research on thermodynamic modeling/phase diagram calculation and in applying thermodynamics and kinetics
to extraction/refining in his earlier career and then structural, electronic, and magnetic materials in bulk form as well
as at the nanoscale. Among his recognitions are the Wisconsin Idea Fellow Award (UW System, 2004), a highly cited materials
scientist covering the period 1981–1999 (ISHighlyCited, 2003), John Bardeen Award (TMS, 2000), Albert Sauveur Achievement
Award (ASM, 1996). Champion H. Mathewson Medal (TMS, 1996), Extraction and Processing Lecturer Award (TMS, 1993), William
Hume-Rothery Award (TMS, 1989), Belton Lecturer Award (CSIRO, Clayton, Victoria, Australia, 2000), Winchell Lecturer Award
(Purdue University, 1999), Best Paper Award with Dr. W.-M. Huang (Alloy Phase Diagram International Commission or APDIC, 1999),
Honorary Professorship (Northeast University, Shenyang, 1998-, Southeast University, Nanjing, 1997-, Central South University
of Technology, Changsha, Hunan, 1996-, and University of Science and Technology Beijing, 1995-, all in the People’s Republic
of China), Summer Faculty (Quantum Structure Research Initiative, Hewlett-Packard Laboratory, Palo Alto, CA, 1999). Honorary
Chair Professor (National Tsing Hua University, Hsinchu, Taiwan, Republic of China, 2002–2005), Visiting Professorship (MIT,
1991 and Tohoku University, Sendai, 1987), Honorary Life Membership of Alpha Sigma Mu (1985), and Byron Bird Award (University
of Wisconsin-Madison, 1978). He also received recognitions in teaching and education: an Outstanding Instructor Award (University
of Wisconsin-Milwaukee, 1972), Educator Award (TMS, 1990), and Albert Easton White Distinguished Teacher Award (ASM, 1994).
He served as a Trustee of ASM (1981–1984), as the 2000 President of TMS, and as the National President of Alpha Sigma Mu (1984). |
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