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- A. Brahme, M. H. Alvi, David M. Saylor, Joseph M. Fridy, Anthony D. Rollett
- 2006

The topic of reconstruction of polycrystalline microstructures is briefly reviewed. An example is given of using orientation maps to reconstruct digital microstructures with a representation of a polycrystal structure that includes crystallographic orientation information. The method uses packing of ellipsoids to approximate the grain structure, coupled… (More)

- Anthony D. Rollett, David M. Saylor, +5 authors Ralph Noack
- 2004

Many issues in forming are influenced to some degree by the internal structure of the material which is commonly referred to by the materials science community as microstructure. Although the term microstructure is commonly only thought of in the context of grain size, it more properly encompasses all relevant aspects of internal material structure. For the… (More)

Geometric and crystallographic observations from two orthogonal sections through a polycrystal were used as an input to the computer simulations to create a statistically representative three dimensional model. The microstructure is generated using a voxel-based tessellation technique. Assignment of orientations to the grains is done such that nearest… (More)

- Nitin V. Hattangady, Joseph M. Fridy, K. Rao Vemuri, R. E. Dick
- Engineering with Computers
- 1999

Finite element modeling is now a standard approach used in the industry to minimize costly trials and help reduce the overall lead time in product and process design. However, building surface/solid models defining the product shape and generating finite element meshes for analyses still require a significant amount of the engineers’ time. In this paper, we… (More)

The main aim of this work was to develop a model with predictive capability for micro structural evolution during recrystallization and to identify factors that exert the greatest effect on the development of texture. To achieve this aim, geometric and crystallographic observations from two orthogonal sections through a polycrystal were used as input to the… (More)

A model has been constructed for the microstructural evolution that occurs during the annealing of aluminum alloys. Geometric and crystallographic observations from two orthogonal sections through a polycrystal using automated Electron Back-Scatter Diffraction (EBSD) were used as an input to the computer simulations to create a statistically representative… (More)

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