X-ray/gamma rays X-ray produced by an X-ray tube gamma rays by a radioactive isotopeĪll materials especially metals and plastics. Electronic transfer of dataĭR can identify flaws, foreign objects, weld repairs, and corrosion under insulation.ĭifference between UT and RT in Welding Characteristics It requires a large amount of data storage. Shorter exposure time with quick interpretation.ĭigital images are of high quality. There is a chance of human error while interpreting the results. The quality of the final image is comparatively low. RT takes a long time to process and interpret. Training/qualifications are required specific to the technologies due to operational differences. No need of a large pool of experienced technicians for interpretation. You need a large pool of experienced technicians for interpretation. RT has many codes and standards covering the entire aspects of its applications and quality control.ĭR has codes and standards recently for their applications. Data will also remain unaltered for future references. The final image can be annotated, stored, and transferred. The final image is made of silver halides, where the excess silver is removed by processing the film. The resulting image can be manipulated to get the best image of the sample. The resulting image can be viewed in a film using a lightbox viewer You can also control the exposure in real-time. The latent image created on the film can be seen after processing in a dark room.ĭata appears on the computer screen at once. This is detected by a photosensitive diode layer. Indirect signal is emitted via a scintillator that emits light when exposed to rays. Direct signal is emitted when the FPD converts the initial rays into charge pattern. The initial rays create a digital signal directly or indirectly. The initial rays pass through the target object exposing the film. It uses a flat panel detector (FPD) to capture the image Difference between Film and Digital Radiography CharacteristicsĭR doesn’t need a film as a source.
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