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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 Flaw Detection
    Of all the applications of industrial ultrasonic testing, flaw detection is the oldest and the most common. Since the 1940s, the laws of physics that govern the propagation of sound waves through solid materials have been used to detect hidden cracks, voids, porosity, and other internal
  • 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
  • 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
  • Intro to Ultrasonic Phased Array
    ultrasonic tests that include weld inspection, bond testing, thickness profiling, and in-service crack detection. This paper provides a brief introduction to how phased array systems work and how they can be employed in industrial ultrasonic nondestructive testing.
  • Ultrasonic Material Analysis
    Ultrasonic nondestructive testing is a versatile technique that can be applied to a wide variety of material analysis applications. While ultrasonic NDT is perhaps better known in its more common applications for thickness gaging, flaw detection, and acoustic imaging, high frequency sound waves can

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