Ultrasonic Nondestructive Evaluation (NDE) of Polycrystalline Materials
Showmic Islam 
Reserach Scientist II
sislam@iastate.edu
(515) 294-7706
Wave Propagation in Complex Polycrystalline Materials
- Modeling of ultrasonic wave in microstructures with twins, distribution of grain sizes
- Numerical modeling of wave propagation in two-phase materials
- Synthetic RVEs of different tessellation methods
- Micro-textured region (MTRs)
Ultrasonic NDE Techniques
- Pulse echo, Pitch Catch
- Longitudinal, Shear and surface Wave
Materials Characterization
- Microstructure, Grain statistics, Morphology
- Phase fraction, porosity
Code Development
- Container for Distributed and High Performance Computing
- Near-surface defect detection in railway bearing parts using surface wave
