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Shearography NDT - Introduction - Principle - Istra4D software

Explore the principles and benefits of Shearography NDT inspection using Q-810 technology. Learn the detailed Shearography principle, observed phenomena, and the essential tools required for micro-displacement detection. Understand the comprehensive Shearography process from fringe maps to phase maps, all supported by Istra4D software. Discover the active and evaluation modes of the software for precise measurements and analysis. Complete your knowledge with FAQs.

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Shearography NDT - Introduction - Principle - Istra4D software

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  1. www.sqsndt.co.in Shearography NDT - Introduction - Principle - Istra4D software

  2. Introduction Super quality services| sqs-001 2016

  3. Who needs NDT? … Super quality services| sqs-001 2016

  4. Examples of inspected parts Super quality services| sqs-001 2016

  5. Why choosing Q-810 Shearography NDT? • Repeatablemeasurements • Fast inspection -> field-of-view of 20cm x 20cm -> Upto 1m² inspected/minute • DetectionCapabilities on Composite Materials -> Disbonds, delaminations, wrinklings, etc • Tunablevacuumexcitation • Option internal/externalheatframe Super quality services| sqs-001 2016

  6. The Shearography Principle Super quality services| sqs-001 2016

  7. The observed phenomenon skin core Stress out-of-plane surface displacement underlying defect Super quality services| sqs-001 2016

  8. What do we need to create and detect this micro-displacement? • Monochromatic light • Laser diodes • Loading • Heat • Vibration • Vacuum • Compression/bending force • … • Shearing Sensor Super quality services| sqs-001 2016

  9. Black-boxed Shearography Principle CCD Chip Shearing Setup Test Object Super quality services| sqs-001 2016

  10. Black-boxed Shearography Principle LOAD CCD Chip Shearing Setup Test Object Super quality services| sqs-001 2016

  11. Black-boxed Shearography Principle Reference State Loaded State Resulting Fringe Map Super quality services| sqs-001 2016

  12. Detailed Shearography Principle Super quality services| sqs-001 2016

  13. From Fringe Maps to Phase Maps:4-step Algorithm Phase Map Reference State Phase Map Loaded State 0 λ/4 λ/2 Resulting Phase map 3λ/4 Super quality services| sqs-001 2016

  14. Istra4D Software- Active mode- Evaluation mode Super quality services| sqs-001 2016

  15. Active mode: Main functions • 1) Selecting/creating a repository Super quality services| sqs-001 2016

  16. Active mode: Main functions • 2) Activate sensor Super quality services| sqs-001 2016

  17. Active mode: Main functions • 3) Starting a new shear measurement setup Super quality services| sqs-001 2016

  18. Active mode: Main functions • 4) Define brightness, shear vector, define the projection Super quality services| sqs-001 2016

  19. Active mode: Main functions • 5) Switch between the different available displays and define their setup Super quality services| sqs-001 2016

  20. Active mode: Main functions • 6) Start the acquisition • Take a reference • Excite thepanel • Manuallydrivenvacuumload • Single-StepProcedure • Multi-StepProcedure • Save currentimage (asoftenasyouwant) • Take newreferences (ifneeded) • Stoprecording Super quality services| sqs-001 2016

  21. Evaluation mode: Main functions • 1) Selecting a ShearSerie in the chosen repository Super quality services| sqs-001 2016

  22. Evaluation mode: Main functions • 2) Reference selection and steps visualization Super quality services| sqs-001 2016

  23. Evaluation mode: Main functions • 3) Selecting a display Super quality services| sqs-001 2016

  24. Evaluation mode: Main functions • 3) Filters and gauges Super quality services| sqs-001 2016

  25. Finished!Questions and Answers Super quality services| sqs-001 2016

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