Y. Austin Chang Wisconsin Distinguished Professor Emeritus Address/E-mail Program Affiliations Courses Education Fields of Interest Publications Awards & Honors Summary >>> Extended Homepage <<<

Contact Information

215 Materials Science and Engineering Building 1509 University Avenue Madison, WI 53706

Tel: 608/262-0389 Fax: 608/262-0389, 608/262-8353 E-mail: chang@engr.wisc.edu

Program Affiliations

• Materials Science and Engineering

• Materials Science Program

Courses

• MS&E 445: Multicomponent Phase Equilibria
• MS&E 530: Thermodynamics of Solids
• MS&E 803: Special Topics in Materials Science

Education

• BS (chemical engineering) 1954, University of California-Berkeley
• MS (chemical engineering) 1955, University of Washington
• PhD (metallurgy) 1963, University of California-Berkeley

Fields of Interest

• The use of cluster/site approximation for alloy phases to calculate multicomponent phase diagrams and coherent inter-phase and anti-phase boundary energies.
• High-temperature materials beyond the nickel based superalloys, a combined computational/experimental approach.
• Calculated multicomponent phase diagram as a tool to identify alloys as potential bulk amorphous materials as well as to study their phase transformation.
• Fundamental approaches to design of new structural magnesium alloys.
• Novel nanostructures of MTJ’s obtained by selective oxidation to study their interfacial structure, chemistry and properties.
• Intermixing at the atomic scales in multilayered nanostructures of M1/M2 when they are immiscible in bulk form
• Phase transformation of metastable disordered phases in the thin-film forms to their stable antiferromagnetic state as applied to spin valve systems.
• The growth of silicide nanowires as related the stability of the rare earth silicides

Publications

• W. Cao, J. Zhu, Y. Yang, F. Zhang, S.-L. Chen, W. A. Oates and Y. A. Chang, “Application of the Cluster/Site Approximation to fcc Phases in Ni-Al-Cr”, Acta Mater., 2005, 53, 4189-4197.
• W. Cao, W. A. Oates and Y. A. Chang, “Thermodynamic Stability of Co/Cu Multilayered Nanostructures”, Scripta Mater., 2005, 53, 1379-1382.
• D. Ma, H. Cao, K. C. Hsieh, L. Ding, Y. Pan and Y. A. Chang, “Bulkier Glass formation enhanced by Minor Alloying Additions”, Appl. Phys. Lett., 2005, 87, 171914/1–171914/3.
• Peteline, M.-L. Huang, Y. A. Chang and H. Mehrer, “Self-Diffusion in Nickel-Manganese Alloys”, Defect and Diffusion Forum, 2005, 237-240, 352-357.
• C.-X. Ji, R. Ragan, S. Kim, Y. A. Chang, Y. Chen, D A. A. Ohlberg, and R. S. Williams“ “Surface Reconstruction of Pt/Si(001)”, Appl. Phys. A, 2005, 1301-8.
• M.-L. Huang, P. F. Ladwig and Y. A. Chang, “Phase transformations in sputter deposited NiMn thin films”, Thin Solid Films, 2005, 478, 137-140.
• Y. Yang, Y. A. Chang, L. Tan and W. Cao, “Multiphase Equilibria at the Metal-rich Region of the Mo-Ti-Si-B System: Thermodynamic Prediction and Experimental validation”, Acta Mater, 2005, 53, 1711-1720.
• Y. Wang, N. Ma, Q. Chen, F. Zhang, S.-L. Chen and Y. A. Chang, “Predicting Phase Equilibrium, Phase Transformation, and Microstructure Evolution in Titanium Alloys”, 2005, JOM, September, 32-39.
• Y. A. Chang, “Phase Diagram Calculation in Teaching, Research and Industry”, Metall. Mater. Trans., 37A, 2006, 37A, 273 and Metall. Mater. Trans., 2006, 37B, 7.
• W. Cao, J. Zhu, F. Zhang, W. A. Oates, M. Asta and Y. A. Chang, “Application of the Custer/Site Approximation to the Calculation of Coherent Interphase Boundary Energies”, Acta Mater., 2006, 54, 377-383.
• J. J. Yang, Y. Yang, F. Liu, B. B. Pant, A. E. Schultz, and Y. A. Chang, “Thickness Determination of Ultra-thin Oxide Film and its Application in Magnetic Tunnel Junction”, J. Electron. Mater., 2006, submitted for publication.

Selected Awards, Honors and Societies

• Elected a Wisconsin Idea Fellow, University of Wisconsin System, 2004-2005.
• Identified as a Highly Cited Materials Scientist by ISIHighlyCited, 2003, covering the period 1981-1999.
• Edward DeMille Campbell Memorial Lecturer Award, ASM-International, 2003.
• John Bardeen Award, the Minerals, Metals and Materials Society (TMS), 2000.
• Elected a Foreign Member of the Chinese Academy of Sciences, 2000.
• Elected a Member of the National Academy of Engineering, 1996.
• Champion H. Mathewson Medal, TMS, 1996.
• Albert Sauveur Achievement Award, ASM-International, 1996.
• Albert Easton White Distinguished Teacher Award, ASM-International, 1994.
• Extraction and Processing Lecturer Award, TMS, 1993.
• Educator Award, TMS, 1990.
• William Hume-Rothery Award, TMS, 1989.

Summary

I am interested in the application of thermodynamics and kinetics to study structural, electronic, and magnetic materials in bulk form as well as at the nanoscales.

Copyright 2006 The Board of Regents of the University of Wisconsin System Date last modified: 20-Oct-2006 Content by: chang@engr.wisc.edu Thank you for visiting http://www.engr.wisc.edu/mse/faculty/chang_austin.html UPDATE PROFILE