Non destructive testing in welds
Welding is a one of the metal joining processes and is widely used in the manufacturing industry. According to AWS, a weld is a localized coalescence of metals or non …
NDT Methods
Nondestructive Inspection of Forgings
Since the Industrial Revolution, forged parts are widely used in mechanisms and machines wherever a component requires high strength. Forging can produce a piece that is stronger than an equivalent …
UT Immersion Testing
UT Immersion testing techniques are mainly used in the laboratory and for large installations doing automatic ultrasonic testing. It has the advantage that uniform couplant conditions are obtained and longitudinal …
NDE procedures for welds in B31.3
The ASME B31 Code for Pressure Piping consists of a number of individually published Sections, each an American National Standard, under the direction of ASME Committee B31, Code for Pressure …
Introduction to Acoustic emission testing
Acoustic Emission Testing is a qualitative NDT method. It differs from most other nondestructive testing (NDT) methods in two key respects. First, the signal has its origin in the material …
Introduction to Liquid penetrant testing(PT)
In the article Introduction to Magnetic particle Testing, we learned how efficient, Reliable and quick the NDT method it is for detecting surface and subsurface discontinuities’ still it cannot replace …
Introduction to Magnetic Particle Testing(MT)
In the previous blogs, I gave you a brief introduction about Ultrasonic and Radiographic testing. Both of these methods are volumetric Inspection methods and are used to carry out to …
Introduction to Radiographic Testing(RT).
Introductio n Radiography is a volumetric NDT test method used to determine internal flaws in castings and Welds. Radiographic testing includes passing of X-rays or Gamma Rays through the test …
Introduction to Ultrasonic Testing(UT)
Introduction: Ultrasonic testing (UT) is a family of non-destructive testing techniques based on the propagation of ultrasonic waves in the object or material tested. In most common UT applications, very short ultrasonic pulse-waves with center …
Introduction to Visual testing
Visual testing should be the first nondestructive test method applied to an item in order to locate surface anomalies in most materials and subsurface discontinuities in translucent materials. It is …