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  • Ultrasonic Detection of Surface Flaws in Sintered Alpha Silicon Carbide (.pdf)
    It is well recognized that surface and near-surface flaws control the strength of the majority of specimens from a population of sintered alpha-carbide test bars. An investigation was carried out to examine the applicability of surface acoustic wave techniques (SAW) to detect two-dimensional
  • Ultrasonic Gas Leak Detection - What is it and How Does it Work?
    Ultrasonic gas leak detection (UGLD) is a comparatively recent detection technique and has emerged as an effective means of establishing. the presence of gas leaks. It works especially well in open, ventilated areas where other methods of gas detection may not be independent. of ventilation
  • Ultrasonic Sensor Applications
    The key to ultrasonic liquid detection is to keep the beam perpendicular to the liquid level and away from structures like tank walls, internal ladders, and impellers.
  • Implementing Ultrasonic Ranging
    Object ranging is essential in many types of systems. One of the most popular ranging techniques is ultrasonic ranging. Ultrasonic ranging is used in a wide variety of applications including: ? Autofocus cameras ? Motion detection ? Robotics guidance ? Proximity sensing ? Object ranging
  • Acoustic / Ultrasonic Transducers
    Ultrasonic transducers send and receive waves for many types of sensing. Distance, proximity, level, nondestructive evaluation, web break detection, counting, and security applications are some examples. Ultrasonic transducers typically operate at their resonant frequency with various construction
  • Ultrasonic Sensors, The Silent Laborers
    away, outside the set detection range; in this particular instance the delay time "sensor - object - sensor" was too long. As a result ultrasonic sensors are also excellent background fade-out units; in addition - if compared to other optical units with comparable characteristics
  • Use of a PC-Based Digitizer in an Ultrasonic Flaw-Detection System
    Use of modern high-speed digitizers in the construction of an ultrasonic flaw detection system is discussed. Topics include the advantages of high sampling speed, high vertical resolution, deep acquisition memory buffers, and fast data transfer speed to the host PC. Issues that arise due
  • Sensor Sense: Ultrasonic Double-Sheet Detectors
    on the machine. Those surfaces may need a layer of sound-absorbing material. Other applications for these sensors include ultrasonic splice detection that senses a

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