|About this Abstract
|Materials Science & Technology 2020
|Integration between Modeling and Experiments for Crystalline Metals: From Atomistic to Macroscopic Scales II
|Applications of Computational Polarized Light Microscopy for Large Area Orientation
Determination of alpha-Titanium
|Ke-Wei Jin, Marc De Graef
|On-Site Speaker (Planned)
The texture of alpha-titanium, which has an HCP crystal structure, can greatly impact its mechanical properties. Additionally, alpha-titanium also exhibits anisotropic optical properties. When illuminated using polarized light, the HCP grains oriented in different directions reflect light as a function of the grain orientation. Using this behavior, the c-axis orientations of the grains can be determined. Compared to other techniques such as EBSD, computational polarized light microscopy (CPLM) is low cost and has the ability to accommodate large samples. We will present the use of CPLM in conjunction with a physics-based forward model (FM). Polarization aberration and methods for accounting for aberration will be discussed. Finally, we will present the use of CPLM to image large surface areas and perform texture analysis for large areas.