Non-destructive testing Collaborative Projects

We are involved in a suite of projects worth in total around £30m, more than £8m of which directly funds work at TWI. This programme is constantly growing. For information on how your company may benefit from the work, please contact ndt@twi.co.uk

Find out more about TWI's Collaborative Research programme.

RIMINI

Development of a robotic inspection system for reactor nozzle inspection.

  • Developments in Ultrasonic Phased array inspection, incorporating 2D TRL phased array probes, Flexible array eddy-current and ACFM.
  • Development of a 128 parallel channel phased array instrument manufactured by Peak NDT.
  • ACFM instrument by TSC.
  • 2D TRL phased array probe manufactured by Vermon.
  • Total budget Euro2m

Final activity report

Robair

Development of a robotic system for the inspection of aircraft wings and fuselage.

  • Multi-tasking robot platform that crawls over surfaces, including vertically and overhead
  • Acoustic camera, eddy current and phased array detection
  • Prototype has been demonstrated
  • Total budget £1.39m

Qualistir

Development of novel non-destructive testing techniques and integrated in-line process monitoring for robotic and flexible friction stir welding systems.

  • NDT techniques specifically for defects anticipated in FSW, e.g. entrapped oxide
  • Phased array ultrasonic testing
  • Algorithm developed for treating noise ratio from different parts of the joint
  • Method of combining weld control and NDT information to yield a fully integrated quality control system
  • Total budget £1.41m

Rail-Inspect

Train-mounted sensors and systems for the inspection of rails.

  • Automated NDT to cover whole of rail head and web
  • Scanning with test vehicle travelling at 80km/h
  • Ultrasonic, eddy current and magnetic flux leakage being evaluated
  • Total budget £1.13m

MMFSC

Manufacturing and modelling of fabricated structural components.

  • Aero engine components
  • Ultrasonic and eddy current methods
  • TIG and laser welded parts
  • Total budget £6.6m

Magcast

Production line integrated sensor system for porosity quality control of magnesium castings.

  • Digital X-ray
  • Establishment of limits of detection for real-time operation
  • Manipulator to mechanise the system
  • Total budget £1.25m

Robot Inspector

Development of a robotic system for the inspection of large steel and aluminium plates in industrial plants.

  • Crawler for tank floors
  • Use of ACFM, EMATs and phased array
  • Obstacle avoidance
  • Total budget £1.4m

Piezodiagnostics

Smart structural diagnostics using piezo-generated elastic waves.

  • Use of piezo-actuators for long-range ultrasonic monitoring
  • Supervision via PC and a network
  • Wave propagation over suitable distances has been demonstrated
  • Total budget £2.04m

TOFD proof

Effective application of TOFD method for weld inspection at the manufacturing stage of pressure vessels.

  • Round-robin exercise
  • Comparison with other NDT techniques
  • Aiming to propose European Standard
  • Total budget £1.22m

Nanoscan

Development of new and novel inspection systems for composite aircraft non-destructive testing.

  • Air-coupled ultrasonics, laser shearography, digital radiography, phased array, thermography, resonance
  • Testing for composite specific defects such as delamination, bondline integrity, etc.
  • Development of a suite of sensors to cope with a range of aerospace applications
  • Total budget £1.41m

Cris

Corrosion reliability inspection scheduling.

  • Risk-based inspection approach
  • Determination of the probability of detection
  • Assessment of techniques
  • Total budget £0.36m

Long-range guided waves

The development of the next generation long-range guided wave testing systems.

  • Testing of rail
  • Modelling
  • Wave propagation in irregular cross section material
  • Total budget £0.38m

FSW kissing bond detection

Development of non-destructive techniques for the detection of flaws in friction stir welds.

  • Ultrasonics, eddy current, magnetometer and digital X-ray
  • Aluminium alloys
  • Quantitative evaluation of reliability
  • Total budget £0.24m

Digital X-ray

Development of computed radiography procedures to replace film-based radiography for defect detection in welds and castings.

  • Computed radiography from phosphor screens
  • Evaluation against film systems
  • Economic and safety benefit definition
  • Total budget £0.24m

Microscan

Development of comprehensive in-line control system for printed circuit board assemblies.

  • Range of complementary techniques combined to a comprehensive NDT system
  • Application to lead-free and conventional soldering
  • Integrated in-line quality system
  • Total budget £1.39m

Project summary

FPSO-Inspect

Non-intrusive in-service inspection robotic system for condition monitoring of welds inside floating production storage and offloading (FPSO) vessels.

  • Autonomous underwater vehicle
  • Combination of array techniques
  • Checking for corrosion, weld defects and fatigue simultaneously
  • Total budget £1.4m

ReNEWit

Development of new and novel automated inspection technology for GRP wind turbine blades.

  • Techniques for total inspection requirements
  • Detection of disbonds, impact damage and lightning strike damage
  • Reduced downtime from rapid automated process
  • Total budget £1.4m

Tank-Inspect

Condition monitoring of large oil and chemical storage tanks using ultrasonic guided wave tomography without the need to empty and clean tanks.

  • Ultrasonic guided waves
  • Inspection of tank floor up to 100m diameter
  • Checking corrosion and defects with tanks still filled
  • Total budget £1.4m

Pipescan

Development of inspection systems for the inspection of metal pipelines buried underground, in concrete, in water or covered with coatings.

  • Screening for up to 100m of pipeline from a single point
  • Use of guided ultrasonic waves for qualitative assessment
  • Development of defect sizing techniques with other NDT techniques
  • Total budget £1.4m

Polytec Systems

Development and validation of non-destructive testing techniques for electrofusion joints in polyethylene pipes.

  • Ultrasonic phased array and thermography
  • Determine limits of detection
  • Produce prototype NDT equipment
  • Total budget £1.27m

Project summary

Girth Welds

Inspection of single-sided girth welds.

  • Fatigue performance of riser pipes
  • Automated ultrasonic inspection reliability
  • Establish a library of standard specimens
  • Total budget £0.16m

Safe Ray

Development of digital radiographic techniques, sensors and systems.

  • Safer, faster, more economical
  • In-situ operation
  • Reduced operator exposure
  • Total budget £1.55m

Sure2Grip

Quality Assurance and structural evaluation of GRP pipes.

  • NDT techniques developed specifically for GRP
  • Detection of characteristic defects (e.g. kissing bonds)
  • Automation reducing operator subjectivity
  • Total budget euro2m.
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