Lucien N. Brush

Associate Professor of

Materials Science & Engineering

Office:  331 Roberts Hall
Office Tel:  (206) 543-7161
Fax:  (206)-543-3100
Email:  brush@u.washington.edu

Ph.D. 1988.  Metallurgical Engineering and Materials Sciences, Carnegie Mellon University. Dissertation Title: "Advanced Numerical Methods in Solidification Theory", Director: Professor R. F.Sekerka.

M.E.1984.  Metallurgical Engineering and Materials Science, Carnegie Mellon University. Dissertation Title: "Welding of Thin Plates", Director: Professor R. F. Sekerka.

B.E.S. 1980.  Materials Sciences and Engineering, Johns Hopkins University.

Summary of Present Research Interests

Phase Transitions and Fluid Dynamics in Materials.  Growth of crystals in the presence of adsorbates (e.g. proteins).  Areas: Thermodynamics and kinetics of phase transitions

“Computation of Crystal Growth Arrest by an Adsorption-Inhibition Mechanism”, Lucien N. Brush and Edward Le, Crystal Growth and Design, in press - (1/31/06 online).  Gas-liquid metallic foams: microscale stability and drainage.  Areas: Interface stability and dynamics.

“A New Law of Thinning in Foam Dynamics”, L. N. Brush and S. H. Davis, Journal of Fluid Mechanics, (2005) Vol. 534, pp. 227-236.  Phase transitions and fluid flow in very thin metal films.  Areas: Nonlinear patterns in hydrodynamics and solidification

“Standing Wave Instabilities in a Thin Freezing Layer”, M. Beerman and L.N. Brush, (in preparation).  Methods of analysis.  Developing models; asymptotic and numerical methods. (Theories and models developed to predict times and lengths characteristic of evolving nano/microstructures).

The answers have both practical impact and are of intrinsic interest!

Awards

Research Initiation Award from the National Science Foundation.

Appointment as a NORCUS (Northwest College and University Association for Science) Professor, 1992-present.

National Research Council Post-Doctoral Fellow at the National Institute of Standards and Technology. 1988-1990.

Career History

1996 to present: Associate Professor, Dept. of Materials Science and Engineering, University of Washington, Seattle, WA.

Jan-1990 to Sep-1996: Assistant Professor, Dept. of Materials Science and Engineering, University of Washington, Seattle, WA.

Jan-1988 to Dec-1989: NRC Post-Doctoral Fellow, Applied and Computational Mathematics Division, National Institute of Standards and Technology, Gaithersburg, Maryland.

Selected Publications

A Phase Field Model with Electric Current, Journal of Crystal Growth, 247, p 587 (2003).

Crystal Growth with Applied Current, L.N. Brush & B.T. Murray, Journal of Crystal Growth, 250, p 170 (2003).

Evaluation of Kinetics and Microstructural Development in Pure, Composite and Alloyed Silver Spheres Processed in the MSFC Drop Tube, Proc.f 12th Annual Microgravity Sci & Space Processing Sym/36th AIAA Aero Sci meeting (Jan. 1998).

The Observation of Macrosegregation in Directionally Solidified Dendritic Alloys, by R.N. Grugel and L.N. Brush, The Journal of Metals, March (1997).

The Effect of an Electric Current on Rod-Eutectic Solidification in Sn-0.9 wt. pct. Cu Alloys, by L. N. Brush and R. N. Grugel, Materials Science and Engineering A238, 176-181 (1997).

Evaluation of Rod-like Cu_6 Sn_5 Phase in Directionally Solidified Tin-0.9 wt. pct. Copper Alloys, by R. N. Grugel and L.N. Brush, Materials Characterization, vol 38, 211-216 (1997).

Analysis of Heat Flow and Microstructural Development in Composite Spheres Processed in a Low-Gravity Environment, L. N. Brush, R. N. Grugel and T.J. Rathz, in Proceedings of the 35th Aerospace Sciences Meeting and Exhibit, AIAA 97-0452,Reno,NV, Januar y 6-10 (1997).

Development of Uniform Microstructures in Immiscible Alloys byProcessing in a Low-Gravity Environment, by R.N. Grugel and L.N.Brush, From the Proceedings of an SPIE Symposium on the Space Processing of Materials, 4-5 August, Denver, CO (1996).

A Boundary Integral Equation Technique for the Calculation of Weld Pool Shapes in Thin Plates, by J.Y. Yeh and L.N. Brush, Computational Materials Science, 6 p. 92-102 (1996).

Utilization of a Low-Gravity Environment to Fabricate Uniformly Composite Spheres from Immiscible Alloy Systems, R.N. Grugel and L.N. Brush, 8th Annual Symposium on Experimental Methods for Microgravity Materials Science (March 1996).

A Model for Intermetallic/Ceramic Composite Microstructures from Solid State Displacement Reactions between Metal Carbides and Silicon, C.H. Henager and L.N. Brush, Adv. Synthesis & Processing of Composites & Adv. Ceramics II, Ceramic Transactions, vol. 79, 191-203 (1996).

On the Nucleation of an Intermediate Phase at an Interface in the Presence of a Concentration Gradient, by J.J. Hoyt and L.N. Brush, Journal of Applied Physics {\bf 78} (3), 1 August 1995, pp. 1589-1594 (1995).

Tailoring Structure and Properties of Composites Synthesized In-Situ using displacement Reactions, by C.H. Henager, J.L. Brimhall and L.N. Brush, Materials Science and Engineering A195, p. 65-74 (1995).