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Ultra Sonic testing

ust

Ultrasonic Testing (UT) uses high frequency sound energy to conduct examinations and make measurements. Ultrasonic inspection can be used for flaw detection/evaluation, dimensional measurements, material characterization, and more.

A typical UT inspection system consists of several functional units, such as the pulser/receiver, transducer, and display devices. A pulser/receiver is an electronic device that can produce high voltage electrical pulses. Driven by the pulser, the transducer generates high frequency ultrasonic energy. The sound energy is introduced and propagates through the materials in the form of waves. When there is a discontinuity (such as a crack) in the wave path, part of the energy will be reflected back from the flaw surface.

In ultrasonic testing (UT), very short ultrasonic pulse-waves with center frequencies ranging from 0.1-15 MHz and occasionally up to 50 MHz are transmitted into materials to detect internal flaws or to characterize materials. A common example is ultrasonic thickness measurement, which tests the thickness of the test object, for example, to monitor pipework corrosion.

Syllabus

  • Principle and Type of Ultrasonic Propagation
  • Properties of Ultrasonic
  • Types of Transducers
  • Ultrasonic Testing Methods
  • Ultrasonic Testing Techniques
  • Calibration of Equipment
  • Instrument Control
  • Method for Evaluating Discontinuities
  • Ultrasonic Testing Procedures for different components
  • Ultrasonic Testing Procedures for Welds
  • Limitation
  • Code Requirement
  • Acceptance Criteria for Weld Metals

Eligiblity

 SSLC ,Higher Secondary/equivalent,VHSE,ITI,DIPLOMA OR Equivalent

Job Prospects

NDT TECHNICIAN in Automotive, Aerospace and Refineries.

Ultrasonic Testing (UT) uses high frequency sound energy to conduct examinations and make measurements.