Research: Overview

Goal

The goal of the laboratory is to develop computer simulation methods that can predict the influence of a material's composition and microstructure on its properties; and to use these simulations to help General Motors to develop materials with enhanced performance.

 

Approach

Although material behavior is determined by atomic-scale processes, it is obviously not feasible to simulate the behavior of every atom in a component.  Simulations are therefore based on  `multi-scale modeling.'  Atomistic methods are used to study individual defects in materials.  Results from these simulations  guide meso-scale techniques such as the discrete dislocation method, which model collective behavior of large numbers of defects.  These  in turn guide continuum simulations of actual specimens and components.  The computational work relies heavily on experimental studies that guide and verify the simulations.

 

 

FOCUS AREAS

Lightweight Materials

The lab is studying non-ferrous-based materials, including Al and Mg alloys, which have the potential for performance comparable to steels, but with significantly reduced weight.
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Engineered Surfaces

The lab is studying materials and coatings that can be used to extend the life of load-bearing surfaces in engines and machine tools.
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