Different Applications of Industrial CT and X-RAY Testing

Industrial CT testing and X-ray testing are the most commonly used solutions in the field of non-destructive testing, both of which utilize the principle that X-rays can penetrate materials to detect the internal structure of objects.

X-rays have strong penetrating power and can penetrate many substances that cannot be penetrated by visible light. So, engineers developed various X-ray non-destructive testing equipment using the characteristics of X-rays.

Industrial CT is a new development direction that has been extended with the development of computer technology, combined with X-ray detection solutions. The so-called CT refers to three-dimensional X-ray scanning. During X-ray detection, the object to be tested is rotated 360 ° to collect X-ray detection images at each angle. Then, computer calculations are used to reconstruct the solid image of the object to be tested.

It can be seen from this that, The detection results of X-rays are two-dimensional images, while industrial CT fully utilizes computer technology to reconstruct two-dimensional images of various surfaces into three-dimensional images, while restoring the internal structure of the object. Technically speaking, CT tomography technology is the best means of non-destructive testing and evaluation of products. Industrial CT utilizes tomography technology to achieve non-destructive visualization measurement of products, assembly defects, and material analysis. It is not obstructed by surrounding detailed features and can directly obtain spatial position, shape, and size information of target features.

The X-ray detection scheme can intuitively display the size and shape of internal defects in the workpiece, making it easy to determine the nature of defects and store detection data, making it easy to search and trace. X-ray detection has high sensitivity to non-destructive testing of thin-walled workpieces and is sensitive to volumetric defects. The plane distribution of defect images is true and the size is measured. There is no strict requirement for the surface smoothness of the workpiece, and the grain size of the material has little effect on the detection results. It can be applied to the detection of internal defects in various materials, so it is widely used in the welding quality inspection of pressure vessels.

X-ray testing has low sensitivity for detecting thick walled workpieces and is more suitable for detecting volumetric defects such as porosity, slag inclusion, shrinkage, and porosity. Industrial CT is more likely to detect corner welding Defects such as cracks and lack of fusion with small gaps in T-joints, as well as internal delamination defects in forgings, pipes, rods, and other profiles.

Enterprises can choose X-ray non-destructive testing equipment based on actual testing needs. Industrial CT testing provides more accurate defect location, size, and size, which is suitable for high-precision and cutting-edge product testing needs. It helps improve product processes and plays an important auxiliary role in the research and development stage. X-Ray testing is more commonly used in conventional production enterprises to distinguish defective products on the production line, and online automated testing improves work efficiency and accuracy.