2.3 Advantages of Radiography
• Information is presented pictorially.
• A permanent record is provided which may be viewed at a time and place
distant from the test.
• Useful for thin sections.
• Sensitivity declared on each film.
• Suitable for any material.
2.4 Disadvantages of Radiography
• Generally an inability to cope with thick sections.
• Possible health hazard.
• Need to direct the beam accurately for two-dimensional defects.
• Film processing and viewing facilities are necessary, as is an exposure
compound.
• Not suitable for automation, unless the system incorporates fluoroscopy with
an image intensifier or other electronic aids
• Not suitable for surface defects.
• No indication of depth of a defect below the surface