Research

Overview



For many years, experiments and computer modeling methods have been significantly used for characterizing the microstructures of mesoscopic materials in order to study their relationship to desired properties and in order to optimize the materials design and performance.  In fact, many problems related to the properties of materials, such as corrosion, fatigue crack formation, fracture, mechanical responses, piezoelectric responses, and etc, are three-dimensional in nature because most practical mesoscopic materials have a polycrystalline or multi-phase structure with significant complexity in the spatial arrangement of the microstructural units (for example, spatial and size distributions of grains and particles, grain boundary and interphase boundary character/energy distributions, orientation texture, and etc.). This is especially true for metallic and ceramic structural and functional materials, since they are subject to various processes (for example, rolling, extrusion, tempering, sintering and etc) before commercializing.  Therefore, it is of great interest to characterize microstructural parameters and to reveal their effects on the properties of the materials in three dimensions for studying microstructure-property relationships.



General interests lie in, especially in meso-scale and in three-dimensions:

1) generation and reconstruction of digital microstructures from simulations and experiments 
2) microstructural evolution (grain growth, multi-phase coarsening, phase transformation, and etc.)
3) numerical and experimental advanced characterization of microstructures
4) measuring desired properties (mechanical, thermal, electric and magnetic responses) of various materials systems, generated by simulations and experiments in three-dimensions  (metals, ceramics, composites for structural and functional materials) and their comparisons via experiments and simulations
5) visualisation of three-dimensional data
6) parallel computing simulations, and
7) application of computational tools to various processes (rolling, sintering, and etc.)