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Phased Array Ultrasonic Testing Presentation
- 1. PHASED ARRAY Your NDT Solutions Provider TECHNOLOGY LEARN MORE
- 2. INTRO • Magnum is an NDT Solutions Provider, not just an X-ray company. • We have conventional X-ray as well as an Advanced Technology Program. • Today, we are here to talk to you about that Advanced Tech, particularly Phased Array Technology (PAUT), and how it is changing the way we approach safety and efficiency. • Tommy Ellis: Director of Advanced Services
- 5. X-Ray Testing Phased Array Ultrasonic Testing THE PERIMETER DIFFERENCE
- 6. RADIOGRAPHIC TESTING IQI’S (IMAGE QUALITY INDICATORS) PHASED ARRAY ULTRASONIC TESTING REFERENCE STANDARDS RELATABLE POINTS OF REFERENCE
- 7. WELD FLAWS
- 8. Choice of 45°, 60°, or 70° CONVENTIONAL ULTRASONICS Surface Distance T OR Depth
- 10. AMPLITUDE TIME AND DISTANCE 0% 50% 100% A-SCAN 1 2 3 4 5 6 7 8 9 10
- 11. A phased array transducer can be compared to a large single- element transducer whose active area has been subdivided into small segments or elements. When connected to a phased array instrument, the direction and focus of the sound beam can be changed on each pulse repetition by pulsing individual elements at slightly different times or in different order. Software known as a focal law calculator establishes specific delay times for firing each group of elements in order to generate the desired beam shape through wave interaction, taking into account probe and wedge characteristics as well as the geometry and acoustical properties of the test material. PHASED ARRAY TRANSDUCER
- 16. Porosity:Gas trapped by solidified weld metal before the gas can rise to the surface and escape the weld metal. Creating a void in the material. The radiographic image shows circular spots darker than the surrounding area because they will have a higher radiographic density. (Individual, scattered and wormhole)
- 17. POROSITY
- 18. SlagInclusions:Nonmetallic materialentrapped in weld metalor between weld and base metal. The radiographicimage shows dark jagged asymmetrical shapes within the weld or along the weld joint
- 19. SLAG INCLUSIONS
- 20. Cracks: Cracks can only be detected when they have spread in a direction that produces a change in the weld thickness that is parallelto the x-ray beam. The radiographicimage shows indicationsthat appear as jagged and often very faint irregular lines
- 21. CRACKS
- 22. IncompletePenetrationorLackofPenetration:Incomplete fillingofthe weldrootwhenthe weldmetal failstopenetrate the joint. High vulnerability to cracking. The radiographicshowsa dark area withwell-defined,straightedges that followthe rootfacedownthe center ofthe weld. Lack of penetration
- 24. IncompleteFusion:A subsurface imperfection between the fusion of the weld metal and the base metal. The radiographic shows lines oriented in the direction of the weld seam along the weld preparation or joining area
- 25. SECTORIAL SCAN WITH WELD OVERLAY
- 26. Road Map to certification as a Phased Array Level II Trainee – On-the-job with certified UT Level II (Conventional) Classroom Theory training for Level I qualification – 40 Hours Additional OJT with certified UT Level II – Documentation of hours Classroom Theory training for UT Level II qualification – 40 Hours Additional Field work with certified UT Level II – Documentation of hours SNT-TC-1A Requirement of 840 Hours minimum in Method and 1600 Hours in NDT Certification to UT Level II after verification of logged hours and passing a Practical exam
- 27. DATA DELIVERY & QC PROCESS
- 28. Click here to learn more about Phased Array Ultrasonic Testing