Advantages and Disadvantages of Radiography
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.
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