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  • Sensor Film Shows Assembly Clamp Needs a Redesign
    Load cell and torque/pressure-sensor maker recently had problems assembling load cells to spec. The load cells employ a metal foil strain gauge that 's adhesively bonded to the sensor. The spec calls for 50 to 75 psi of clamping pressure during assembly. Technicians ran nondestructive tests (NDT
  • Acoustic Emission
    the event. The location and severity can also be determined by monitoring the acoustic emissions. The NDT technique is particularly useful in determining the structural adequacy of tanks and pressure vessels.
  • Acoustic Emission / Noise Detection Instruments
    acoustic or vibrational responses. If a break, deformation, or other failure occurs in a piece of equipment, sensitive acoustic emission sensors can detect the high frequency burst given off during the event. Monitoring acoustic emissions can also access the location and severity. This NDT technique
  • Microwave Nondestructive Testing of Composite Materials using Free-Space Microwave Measurement Techniques
    Microwave Nondestructive Testing (MNDT) techniques have advantages over other NDT methods (such as radiography, ultrasonics, and eddy current) regarding low cost, good penetration in nonmetallic materials, good resolution and contactless feature of the microwave sensor (antenna). For MNDT
  • Lead Metaniobate (PN)
    (NDT) transducers where low QM and clean impulse response are required. Underwater sonar equipment utilizes lead niobate because the material has a high longitudinal coupling compared to its lateral and planar coupling allowing it to generate a better response under hydrostatic pressures.

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