engleski

COMPARISON OF X-RAY VISION SYSTEMS

Various forms of industrial radiography have been used for decades in non-destructive inspection. Recent advances in digital image acquisition, either through digitalization of analogue x-ray scans or by direct digital recording of x-rays, as well as improvements in x-ray source designs, have resulted in broadened scope of application, reduced cost, and increased speed of inspection. From system design standpoint, source and detection of radiation are the most important components ; various types of sources and detectors are described in detail, with special care for both advantages and disadvantages of specific types. Recent advances in Computed Tomography are also described, along with its principle of operation and potential for traceable dimensional measurements.

X-ray vision systems; radiographic image quality; computed radiography; imaging plates; digital radiography; direct digital arrays; computed tomography (CT)

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