Shearography NDT - Introduction - Principle - Istra4D software

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Presentation transcript:

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

Introduction Super quality services| sqs-001 2016

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

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

Why choosing Q-810 Shearography NDT? Repeatable measurements Fast inspection -> field-of-view of 20cm x 20cm -> Up to 1m² inspected/minute Detection Capabilities on Composite Materials -> Disbonds, delaminations, wrinklings, etc Tunable vacuum excitation Option internal/external heat frame Why choosing Q-810 Shearography NDT? Super quality services| sqs-001 2016

The Shearography Principle Super quality services| sqs-001 2016

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

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

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

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

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

Detailed Shearography Principle Super quality services| sqs-001 2016

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

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

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

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

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

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

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

Active mode: Main functions 6) Start the acquisition Take a reference Excite the panel Manually driven vacuum load Single-Step Procedure Multi-Step Procedure Save current image (as often as you want) Take new references (if needed) Stop recording Super quality services| sqs-001 2016

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

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

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

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

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