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L. Scott Chumbley
Ames Laboratory-USDOE
Scientist
Amorphous & Aperiodic Focus Area
and
Extraordinary & Responsive Rare Earth Materials Research Area
Iowa State University
Professor
of
Materials Science and Engineering
214 Wilhelm
chumbley@iastate.edu
Tel: 515-294-7903
Fax: 515-294-4291
 

PERSONAL HISTORY
B.S. 1981, Ph.D. 1986, University of Illinois; Argonne National Laboratory, May 1986-May 1987; Ames Laboratory and Iowa State University, May 1987-present, Perkins Engines, Peterborough, United Kingdom, January - June 2001.

RESEARCH INTERESTS
Characterization of phase transformations in complex rare-earth based materials, solidification microstructures of rapidly solidified Al based alloys, phase transformations in highly alloyed steels, characterization and quantification of tool-marked surfaces for forensic applications, development of web-based scanning electron microscopy resources for education.

SELECTED PUBLICATIONS
O. Ugurlu, L.S. Chumbley, D.L. Schlagel, T.A. Lograsso, and A.O. Tsokol
“Identification of thin plates seen in R5(SixGe1-x)4 alloys, where R is Gd, Tb, Dy and Er,” Scripta Mater., Vol. 53, 373 (2005).

O. Ugurlu, L.S. Chumbley, D.L. Schlagel, and T.A. Lograsso
“Characterization of an atypical Widmanstätten structure in Gd5Si2Ge2 alloys,” Acta Mater. (in press).

O. Ugurlu, L.S.Chumbley, D.L. Schlagel, T.A. Lograsso,and A.O. Pecharsky
“Characterization of R5(SixGe1-x)4 alloys where R is Gd, Tb, Dy, and Er," Light Metals 2005 (TMS pub., Feb 2005).

Y-J. Kim, L.S. Chumbley, and B. Gleeson
“Development of isothermal transformation diagrams for sigma-phase formation in cast duplex stainless steels,” Metall. Trans., Vol. 35A (2004).

A.E. Chumbley, L.S. Chumbley, G. Casuccio, and H. Baron
“Conducting, on-line, interactive, scanning electron microscopy lessons around the world,” Proc. MRS (Boston, MA, December 2004) (in press).

HONORS, AWARDS AND PROFESSIONAL ACTIVITIES

  • National Academy of Sciences Committee member, panel on assessing the feasibility of a national ballistics database.
  • Invited author of the section on Scanning Electron Microscopy for the 10th edition of the Metals Handbook, “Failure Analysis and Fractography”
  • Worked for Perkins Engines, a subsidiary of Caterpillar, Inc., located in Peterborough, England , January - June 2001 while on sabbatical