Advanced NDT solutions
MISTRAS utilises combinations of advanced technology to define solutions led approaches to solve our clients inspection challenges
- Automated Ultrasonic Inspection/Testing (B, C, D-scan, HIC/SWC inspection and corrosion mapping)
- Phased Array Ultrasonic Testing
- Shear Wave Ultrasonic Testing
- Time of Flight Diffraction (TOFD)
- AUBT and velocity ratio measurements (HTHA Inspection)
- Pulsed Eddy Current Testing (PECT)
- Computed and Digital Radiography
- Long Range Ultrasonic Testing (GUL)
- Guided Bulk Wave (GBW)
- Eddy Current Array (ECA)
- Acoustic Emission
- Touch Point Corrosion (TPC)
- MFL Floor Scanning
- Advanced Tube Inspection Technologies
- Impact Echo (IE)
Please see our Advanced NDT services below
AUTOMATED ULTRASONIC TESTING SERVICES
- Optimizes your inspection spend
- Reliable, repeatable and accurate
- Minimizes costly internal entry
- Minimizes unnecessary repairs
- Reduces or eliminates downtime
- Reduces outage
- Reduces turnaround schedules
- “On-Line” inspection provides data for advanced planning
- Accepted by regulatory and industry standards and specifications
- Supports RBI, FFS and remaining life programs
ALTERNATING CURRENT FIELD MEASUREMENT (ACFM)
ACOUSTIC EMISSION (AE)
- Crack propagation
- Corrosion, Stress corrosion
- Fibre fracture, de-lamination
- Computed Radiography (CR): Digital imaging process that uses a special imaging plate which employs storage phosphors.
- Real-Time Radiography (RTR): A form of radiography that allows electronic images to be captured and viewed in real time.
- Direct Radiography (DR): A form of real-time radiography that uses a special flat panel detector.
- Computed Tomography (CT): Uses a real-time inspection system employing a sample positioning system and special software.
MISTRAS Services employs a wide array of digital radiographic systems to solve specific industrial problems. Thickness profiles of piping systems, both insulated and uninsulated, are performed using computed radiography, while large production runs of smaller parts are inspected using direct radiography. Real time radiography is utilized for large “real time” inspections of insulated piping systems looking for areas of pipe degradation.
EDDY CURRENT TESTING | Tube Inspection
- Crack detection A primary use of eddy current inspection as cracks cause a disruption in the circular flow patterns of the eddy currents and weaken their strength.
- Conductivity measurements Because of the sensitivity to changes in a material’s conductive properties and magnetic permeability, Eddy Current is an excellent tool for material Identification and Material Sorting.
Multi-frequency eddy current systems refer to equipment that can drive inspection coils at more than two frequencies. This type of instrumentation is used extensively for tubing inspection in Power Generation and the Oil and Gas industries. Major advantages of this inspection are the ability to increase inspection information collected from one probe pull, comparison of same discontinuity signal at different frequencies, mixing of frequencies that helps to reduce or eliminate sources of noise and improves detection, interpretation and sizing capabilities. A critical component of any eddy current examination is the ability to calibrate the unit based on reference standards manufactured from the same or very similar material as the test specimen. In the case of tubing inspection an ASME tubing pit standard is required. The advantages of Eddy Current inspection are: Sensitive to small cracks and defects, detects surface and near surface defects, immediate results are available, equipment is portable, minimum part preparation is required, probes do not need to contact the part and the ability to inspection complex shapes and sizes of conductive materials. The limitations of Eddy Current include: Only conductive materials can be inspected, skill and training required is more extensive than other techniques, surface finish and roughness may affect the test.