Suppression of the Lİft-Off Variable :
Suppression of the Lİft-Off variable is accomplished by simply selecting a test point D so that the distances D-C and D-A are equal. Thus a slight change in lift-off will not afect the over all reading. Of course the test point selected could lie anywhere along the line D-E. If the test [...]

Half-Angle Beam Spread:

Calculates the half-angle beam spread “Φ” for a given velocity “V”, frequency “F”, transducer diameter “D”, and “K”is constant.Beam spread is a measure of the whole angle from side to side of the main lobe of the sound beam in the far field. Beam divergence is a measure of the angle from one [...]

What is NDT?
NDT stands for non-destructive testing. In other words it is a way of testing without destroying. In today’s world where new materials are being developed, older materials and bonding methods are being subjected to higher pressures and loads, NDT

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Ultrasonic Testing (UT) uses high frequency sound energy to conduct examinations and make measurements. Ultrasonic inspection can be used for flaw [...]

As mentioned previously, as a result of beam spread and attenuation, echo heights observed from equivalent defects decrease with increased distance. Consequently, a technique known as distance amplitude correction (DAC) is commonly employed to adjust signals generated at different distances for comparison purposes. This technique consists of generating a DAC curve that essentially [...]

Neutron radiography provides a very efficient tool for investigations in the field of non - destructive testing as well as for many applications in fundamental research. A neutron beam penetrating a specimen is attenuated by the sample material and detected by a two dimensional imaging device. The image contains information about material and structure [...]

BackgroundX-ray inspection is an invaluable part of Ford’s Materials Technology Centre as it strives to develop new materials and components for tomorrow’s cars. Since the removal of the open X-ray system, large lead-lined room, and wet plate film-processing laboratory from the Materials Science Department in 1999, X-ray inspection has been outsourced on an ad-hoc basis. [...]

Nondestructive testing (NDT) are noninvasive techniques to determine the integrity of a material, component or structure or quantitatively measure some characteristic of an object. In contrast to destructive testing, NDT is an assessment without doing harm, stress or destroying the test object. The destruction of the test object usually makes destructive testing more [...]

Science seems to play an every increasing role in our society. The products that we buy and produce are becoming more technical and, therefore, jobs are becoming more technical. It is important to develop a good understanding of basic science. The materials at the links below have been developed to introduce some of the important [...]

TCR Engineering Services and its associate companies will be exhibiting at the Fourth Middle East Nondestructive Testing Conference and Exhibition (4MENDT 2007) which is being held at [...]