Thursday, May 13

MS11
Optimization of Material Microstructures in Process Design and Synthesis

10:45 AM-1:15 PM
Room: Atlanta I

Complex, mobil, meta-stable microstructures with wide variety of different scales determine fundamental properties of active materials, such as shape memory alloys, whose behaviour depends on a phase-separation kinetics and exchange of stability among competing microstructures. The speakers in this minisymposium will discuss development of a useful framework for optimization of macroscopic material properties by promoting certain microstructures. They will focus on material design of light-weight, high-strength alloys, with simultaneous modeling of kinetics and fields, multi-scale non-smooth nonlinear optimization techniques, application of cellular automata in modeling of dynamic recrystallization, and computational modeling of multi-fractals.

Organizers: Petr Kloucek
Rice University
W. Garth Frazier
WPAFB, Wright-Patterson AFB

10:45-11:10 Design of Multistage Hot Deformation Processes Using Trajectory Optimization

W. Garth Frazier, Organizer

11:15-11:40 Modeling of Static and Dynamic Recrystallization Using Cellular Automata

R. L. Goetz and V. Seetharaman, UES Incorporated/WPAFB

11:45-12:10 Optimization, Kinetics and Fields

Roland Glowinski, University of Houston

12:15-12:40 The Formation and Origin of Multiscale Microstructures in Active Materials

Petr Kloucek, Organizer

12:45-1:10 A Stability Analysis of Plastic Deformation Processes

W. M. Mullins, U. S. Army Research Office

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LMH, 1/19/99, MMD, 2/18/99