Industrial x-ray radiography and industrial gamma radiography are both used to inspect materials. However, they differ in the way that examination is performed, as well as how the data is collected and interpreted.
Industrial x-ray radiography uses a beam of electrons to irradiate a target, producing x-rays which are then incident upon the the material being inspected.
Overall, the x-ray radiography technique is more accurate than gamma radiography and is typically used to detect internal flaws on critical manufactured parts or assemblies.
Industrial x-ray computed tomography (or industrial 3D imaging) is a lab-based x-ray inspection technique in which data is collected and digitized. Specialized computer software is used to interpret the data and interrogate the specimen by providing both cross-sectional and 3D volume images. There are various viewing options with ct scanning like slicing, rotating, or colorization to get the user the exact detail or area of interest they need. Industrial ct scanning is useful for in-situ characterization and measurements of assemblies where there might be difficult to access geometries. The operator can also identify voids or porosity, measure wall thickness, detect flaws, conduct failure analysis, or analyze materials.
Industrial gamma radiography works similarly but uses radioactive isotopes (naturally decaying atoms) instead of electrons as its source of radiation.
The mobile gamma technique is often used for inspection of metal castings, poured concrete, or welded joints on large critical structural equipment.
Nel PreTech applies industrial x-ray computed tomography to bring you the best in quality assurance for your manufactured parts. We use the foremost in x-ray inspection equipment including the Zeiss 800 (130kV) and Zeiss 1500 (225kV) ct machines.
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