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PA UT (PAUT) with use of Dual Matrix Array Probes (DMA):
CRA, Duplex, Super Duplex Butt Welds - Planar and Circumferential
ISONIC EXPERT-A DMA software application was created for the inspection of the planar cross section butt welds / girth welds with symmetrical and asymmetrical bevel, unbeveled, misaligned, and the like made of CRA (Corrosion Resistant Alloys), Stainless Steel (Duplex, Super Duplex), and the like with use of the Dual Matrix Array Probes (DMA) situated either on the parent material or on the machined weld cap. Usually the longitudinal waves are used
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This inspection software option is available for the ISONIC 3510, ISONIC 2010, and ISONIC 2009 UPA Scope instruments and featured with:
- Built-In Weld Geometry Editor and Ray Tracer - Scanning Pattern (Scan Plan) Design
- Intuitive Image Guided PA Pulser Receiver with Beam Forming View
- 3D beam forming / Two Planes Focusing Control
- True-To-Geometry Cross-Sectional Coverage (sectorial, S-Scan) and line scanning along the fusion line either encoded or time based
- "On-the-fly" True-To-Geometry Weld Overlay Volume Corrected Imaging:
- Cross Sectional Slices
- Top (C-Scan) View
- Side View
- End View
- 3D View
- DAC / TCG Data / Image Normalization
- Independent on TCG Angle Gain Compensation / Gain Per Focal Law Correction
- Automatic Coupling Monitor
- 100% Raw Data Capturing
- FMC/TFM Protocol for the data acquisition and imaging
- Automatic Defects Alarming Upon C-Scan Acquisition Completed
- Automatic Creation of Editable Defects List
- Comprehensive Postrpocessing Toolkit Including:
- Recovery and Evaluation of the Captured A-Scans from the Recorded Cross Sectional Views and C-Scans
- Recovery of the Cross Sectional Views from the Recorded C-Scans
- Converting Recorded C-Scans or their Segments into 3D Images
- Off-Line Gain Manipulation
- Off-Line DAC Normalization of the Recorded Images / DAC Evaluation
- Numerous Filtering / Reject Options ( by Geometry / Position / By Amplitude db-toDAC / etc ) and Regeneration of the Corresponding of Editable Defects List and Storing it into a Separate FIle
- Defects Sizing
- Automatic creating of inspection reports - hard copy / PDF File
ISONIC 3510, ISONIC 2010, and ISONIC 2009 UPA Scope instruments provide the ability of working the wedged DMA probes carrying a pair of matrix arrays comprising M x N elements each. DMA probes allow performing of the beam steering in the cross-sectional plane along with the swiveling. This increases the flexibility of ultrasonic pulsing receiving thanks to the ability of controlling the depth of the common focal point for the emitting and receiving arrays electronically for the same wedge: in such manner the signal-to-noise ratio may be optimized very efficiently. The control of the ultrasonic beams is illustrated by the short instrument screen video below:
The videos below illustrate the use of ISONIC EXPERT DMA and ISONIC EXPERT-A DMA Inspection SW Packages
At last the next two videos illustrate the detection and imaging of the reference reflectors through the duplex Ni9 CRA weld jointing the cladded regular carbon and stainless steel 48 mm thick walls:
Note: In order to accelerate the data stream the videos above are linked to the Youtube. In case the YouTube may not be accessed from your location please use the link below
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DOWNLOAD AND PLAYBACK THE EXEMPLARY INSTRUMENTS FILES
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