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191083 _Macros temate® PowerBox H High-Powered Portable Ultrasonic Instrument ATA-NDT Forum, September 28, 2011 © 2011 1 19 1083 _Macros Table of Contents  Introduction to EMAT  Design Objectives and Equipment Specifications  Existing and Future Applications • Normal Beam Inspections • Guided Waves • Properties Measurement • Non-EMAT Applications  Innerspec Technologies. © 2011 2 . Inc. 19 1083 _Macros Introduction to EMAT Technology © 2011 3 . Y. Sokolov in 1929. First patent for UT equipment in 1931  Initial experiments with EMAT UT in the ‘70s  First commercial applications of EMAT in the ‘90s  Great recent growth thanks to advancements in technology and equipment © 2011 4 .temate® PowerBox H Introduction to EMAT Technology 19 1083 _Macros Electromagnetic Acoustic Transducer (EMAT) is a fairly recent ultrasonic technique that is rapidly growing History:  First recorded Ultrasonic Testing experiment conducted by Russian scientist J. temate® PowerBox H Introduction to EMAT Technology 19 1083 _Macros While Piezoelectric UT uses a crystal to generate the ultrasound. an Electro Magnetic Acoustic Transducer (EMAT) generates the sound in the part inspected © 2011 5 . Dirty (Oily/Wet).temate® PowerBox H Introduction to EMAT Technology 19 1083 _Macros EMAT enjoys all the benefits of UT plus other particular advantages Ultrasonic Technique • Volumetric Inspection • Easy One-Side Access to Difficult to Reach Areas • Meets UT Standards • Safe Ultrasound is Generated in the Part Inspected Insensitive to Surface Conditions Dry Inspection (no couplant) Easier Probe Deployment Unique Wave Modes Self-Calibration • Easy to Automate and Integrate in Production • No Couplant Induced Errors • High Inspection Speeds (up to 60 m/s) • Capable of High and Sub-Zero Temperatures • Capable of Inspecting Rough. Oxidized or Uneven Surfaces • The angle of incidence does not affect the direction of propagation • No Signal Variations from Probe to Probe • Capable of Generating Horizontally Polarized Shear Wave Energy • Guided Waves (Especially Advantageous for Weld Inspection) • Sample to Sample Self-Calibration of Signals on Guided Waves • Accurate and Repeatable Inspections • No need for Operator Interpretation © 2011 6 . Stainless Steel. square or others) • Structural Elements © 2011 7 . Cobalt • Non-Ferrous: Aluminum. Rods • Tubes (round. Uranium and most other metals Geometries Discrete and Continuous Geometries • Plates (thin and thick) • Cylinders. Copper.temate® PowerBox H Introduction to EMAT Technology 19 1083 _Macros EMAT can be used on most metals and geometries for all the standard UT applications Type of Inspection Flaw Detection • Points • Seams • Surfaces • Volumes Thickness & Distances Material Properties • Nodularity • Anisotropy • Stress Material Electrical Conductors • Ferrous: Carbon Steel. Brass. Nickel. temate® PowerBox H Introduction to EMAT Technology 19 1083 _Macros EMAT can generate unique wave modes such as Shear Horizontal and Lamb Boundary Beam Orientation Wave Mode Longitudinal Normal Bulk Angled Shear Horizontal Technique Piezo EMAT EMAT1 Main Applications • Thickness and Velocity Measurements • Flaw Detection • Properties Measurement Shear Vertical Shear Horizontal Rayleigh Piezo EMAT EMAT1 Piezo EMAT2 Piezo EMAT2 • Flaw Detection • Flaw Detection. including austenitic materials • Flaw Detection (surface) Surface Guided Volumetric Lamb • Flaw (including Corrosion) Detection • Velocity and Properties Measurements • Flaw (including Corrosion) Detection • Velocity and Properties Measurements Shear Horizontal 1 Practical generation is restricted to EMAT 2 Very efficient generation with EMAT EMAT1 © 2011 8 . 19 1083 _Macros Design Objectives and Equipment Specifications © 2011 9 . Flaw.temate® PowerBox H Design Objectives and Specifications 19 1083 _Macros The goal was to develop the first high-power ultrasonic handheld instrument with the capabilities of a high-end flaw detector Design Goals • Capable of running any EMAT wave mode including: • Normal Beam (SH and L) • Guided Waves (Rayleigh.72 Lbs (6Kgs) • 4-8 hours of battery time © 2011 10 . EMAT and nonEMAT sensors • Software and hardware features available in high-end flaw detectors • Handheld and battery operated • 2.5-3MHz • Signal conditioning attachment with independent tuning modules to adapt to any type of coil configuration • 1:8 Multiplexer attachment with slot for tuning module • Tuning Modules permit matching any transducer including EMAT. TOF and velocity readouts 3 Gates (Calibration. PZT (PVDF). Lamb) • Angled Beams (SH and SV) temate® PowerBox H • 1 Channel tone burst (up to 5 cycles) with 8kW of power in two power settings (600Vpp and 1200Vpp) • 100kHz to 6MHz Bandwidth • Pulse/Echo and Pitch/Catch operation • Built in pulse/echo signal conditioning for 1. B. Backwall) DAC Curves PC software to display and analyze results Remote control operation through ethernet Optional software modules for Stress. SH. Bolt Load and multichannel measurements • Capable of multiplexing up to 8 sensors. C and Line Scan formats Amplitude. air-coupled • • • • • • • A. temate® PowerBox H Design Objectives and Specifications 19 1083 _Macros temate® PowerBox H System without and with Signal Conditioning Attachment/Multiplexer © 2011 11 . 19 1083 _Macros Existing and Future Applications © 2011 12 . weld overlays…) • Stress/anisotropy measurement • Bold load with single and double wave mode (L and SH) • Nodularity measurements • Corrosion monitoring (8 Channel BAND) • High-power PZT (e. PVDF) • Air Coupled Normal Beam EMAT Guided Waves Multi-Sensor Normal Beam Non-EMAT All © 2011 13 . tubes. billets.temate® PowerBox H Existing and Future Applications 19 1083 _Macros Existing Applications UT Type Wave Type Applications • Thickness Measurement • High and low temperatures (-30ºC to 650ºC) • Coated. rolls.g. painted and rough surfaces (3-4mm liftoff) • Flaw and corrosion detection • Corrosion under supports with Shear and Lamb waves • Thin weld inspection (under 6mm) • Surface inspections (strip. temate® PowerBox H Existing and Future Applications 19 1083 _Macros Summary and Future Applications  First handheld ultrasonic instrument capable of generating up to 5 cycle tonebursts at 1200Vpp…30 times more power than a 400V high-end flaw detector!  Permits running all EMAT applications including normal beam and guided waves…reclaim surface waves!  Runs PVDF (polyvinylidene fluoride) sensors and air coupled transducers  Potential applications discussed during the show: • Scribe lines • Surface inspections • Thin welds (engine casings) • Thickness and corrosion measurements © 2011 14 . © 2011 15 .19 1083 _Macros Innerspec Technologies. Inc. 19 1083 _Macros Our Company  US company located in Lynchburg.temate® PowerBox H Innerspec Technologies. Inc. VA with offices in Europe and China and representatives and distributors throughout the world  First EMAT (NASA) in 1989. First commercial EMAT in 1994  56 patents for EMAT applications and equipment  World leader in commercial applications of EMAT with over 200 integrated systems installed in 27 countries and the most complete line of equipment  temate® and Rollmate product lines © 2011 16 . 19 1083 _Macros Questions? © 2011 17 .
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