Digital Radiography (DR)

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    Digital Radiography (DR)

    Digital radiography is a fast and non-destructive technique frequently used for material inspection in the aerospace, automotive, and industrial manufacturing sectors. It is a fast and reliable tool to assess weakness, detect faults and characterize materials for raw material testing, product development, and quality control.

    Direct Radiography uses X-ray-sensitive reusable plates that capture and convert the X-rays to light. Thin-film transistors translate the radiographic images to digital data in real-time and are seamlessly displayed on the computer. DR is much faster and produces higher quality images than traditional film imaging.

    Computed Radiography was the first commercially available radiographic imaging technology with a separate image readout process. It replaces film in the conventional radiography imaging with phosphor imaging plate (IP). The imaging plates capture the image, that are scanned separately to produce a digital image. While not a rapid technique like DR, it is still much faster and environmentally friendly than conventional film radiography imaging and is a readily available radiography option.

    Computed Tomography is a radiography imaging technique where thousands of 2D radiographic scans are stacked together to create 3D images through image processing. It is used for comprehensive material characterization.

      Common Uses:

      • Product examination, defect detection, and measurement in steel, aluminum, plastics, and composites
      • Welding inspection
      • Foreign object detection
      • Product and process development
      • Detection of Corrosion Under Insulation (CUI) and other corrosion monitoring
      • Inspection of composites and fiber reinforced components


      • Very high image quality
      • Lab and onsite testing options
      • Real-time data acquisition and easy data sharing
      • High X-ray detector efficiencies (DQE >65%)
      • Lower dosage and reduced exposure compared to conventional radiography
      • Enhanced SNR
      • Improved dynamic range enables inspection of multiple thicknesses in one shot


      • DR detector plates are expensive compared to film
      • Digital storage and accessing of high-quality images necessitates usage of a high bandwidth system like PACS (picture archiving and communication systems)


      • Petrochemical
      • Oil and Gas
      • Power Generation
      • Aerospace
      • Automotive
      • Chemical
      • Nuclear


      • Element Material Technology
      • National Technical Systems (NTS)
      • Intertek Group Plc
      • X-R-I Testing (Applus+)
      • Applied Technical Services (ATS Lab)

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