PNNL

The safety and reliability of critical systems—such as bridges, power plants, or nuclear reactors—depend on nondestructive examination (NDE), a method used to evaluate structures and components without affecting their structural integrity. 

NDE research is valuable throughout the life cycle of materials, including manufacturing, post-fabrication, and operation. At Pacific Northwest National Laboratory (PNNL), our research and evaluations provide a detailed understanding of material conditions and component degradation. This information helps extend the life of materials and supports decisions about repair, replacement, or other actions.

PNNL currently maintains more than 5700 square feet of laboratory space that houses the ultrasonic, electromagnetic, and supporting testing equipment used to perform NDE research and development. These facilities contain heavy lift equipment to maneuver and position samples up to 4000 lbs. 

These advanced laboratory spaces allow scientists and engineers to study materials and systems used in industries such as nuclear energy, waste management, transportation, defense, and aerospace. These spaces include tools and technologies to conduct specialized research and address technical challenges. Some of these tools and technologies include: 

• Conventional and phased-array ultrasonics
• Advanced phased-array ultrasonics (full matrix capture, plane wave imaging, etc.)
• Linear and nonlinear ultrasonic techniques
• Laser ultrasonics
• Acoustic microscopy
• Electromagnetic methods (EMAT ultrasonics, eddy current, etc.)
• Time and frequency domain reflectometry
• Digital radiography and x-ray computed tomography with multiple x-ray sources (up to 450 kVp)
• Resonant ultrasound spectroscopy
• Infrared thermography
• Penetrant testing
• Computational modeling of physical processes on inspection signals
• Dielectric spectroscopy
• AI and automated data analysis
• Cable aging and integrity in the ARENA cable/motor test bed
• Radioactive materials inspection

Leveraging innovative examination facilities, leading-edge instruments, probes, sensors, and AI/machine learning models, the NDE team at PNNL pushes the boundaries of nondestructive examination research. Their work is further enriched by a library of materials and components relevant to the nuclear industry, combined with advanced multiphysics-based modeling and simulation capabilities.

These multidisciplinary facilities drive the creation of novel, tailored solutions, ensuring PNNL remains at the forefront of the NDE field.