Radiographic Testing

See Below the Surface

computed radiographyRadiographic testing, also known as radiographic inspection or radiographic examination, uses X-rays to penetrate the surface of products or materials in order to view internal components.

Radiographic testing can be performed at Laboratory Testing Inc. by two methods, depending on customer requirements:

  • Computed Radiography – digital images
  • Conventional Radiography – film

While the processes are basically the same, they differ in the type of output that is produced. Conventional radiography creates a permanent visible film record and meets the requirements of specifications for certain industries such as aerospace and defense. Computed radiography provides the digital equivalent of the conventional X-ray film, with the added advantages of easy sharing and storage of images.

Value of Radiographic Inspection

Radiographic inspection can be performed on many types of solid products and materials. Like all nondestructive testing, radiographic examination does not harm the test piece. This process can be quite useful in many applications, including:

  • Radiographic inspectionLocating internal discontinuities such as shrinkage, cracking and porosity
  • Verifying the integrity of internal components
  • Determining the quality of welds
  • Helping to determine the source in fire investigations

Most radiographic testing performed at LTI takes place in our 20 ft. x 20 ft. radiographic inspection vault with X-ray equipment that can penetrate metals, plastics and other solid materials of varying thicknesses. This arrangement, along with our high-capacity forklifts and 3-ton crane, allows for the radiographic testing of large products and materials. Our conventional and computed radiography capabilities also include small product inspection such as electronic assemblies using a special X-ray camera in a small cabinet unit.

Radiographic Testing Summary

  • Inspection Methods – computed radiography; conventional radiography
  • Size Limitations
    • products fitting into our 20 ft. x 20 ft. radiographic inspection room
    • imaging equipment can penetrate up to a few inches
    • very small items can be accommodated in our cabinet radiography unit
  • Product Requirements – test samples must be made of solid materials

You can quickly get pricing or more information with our RFQ and Contact Us forms.

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