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Radiographic Film Interpretation

 

1.0        Radiographic Viewing

1.1        Film-illuminator requirements

1.2        Background lighting

1.3        Multiple-composite viewing

1.4        Penetrameter placement

1.5        Personnel dark adaptation and visual acuity

1.6        Film identification

1.7        Location markers

1.8        Film-density measurement

1.9        Film artifacts

 

2.0        Application Techniques

2.1        Multiple-film techniques

2.1.1     Thickness variation parameters

2.1.2     Film speed

2.1.3     Film latitude

2.2        Enlargement and projection

2.3        Geometrical relationships

2.3.1     Geometrical unsharpness

2.3.2     Penetrameter sensitivity

2.3.3     Source-to-film distance

2.3.4     Focal-spot size

2.4        Triangulation methods for discontinuity location

2.5        Localized magnification

2.6        Film handling techniques

 

3.0        Evaluation of Castings

3.1        Casting method review

3.2        Casting discontinuities

3.3        Origin and typical orientation of discontinuities

3.4        Radiographic appearance

3.5        Casting codes/standards — applicable acceptance criteria

3.6        Reference radiographs

 

4.0        Evaluation of Weldments

4.1        Welding method review

4.2        Welding discontinuities

4.3        Origin and typical orientation of discontinuities

4.4        Radiographic appearance

4.5        Welding codes/standards — applicable acceptance criteria

4.6        Reference radiographs or pictograms

 

5.0        Standards, Codes and Procedures for Radiography

5.1        ASTM E94, E142

5.2        Acceptable radiographic techniques and setups

5.3        Applicable employer procedures

5.4        Procedure for radiograph parameter verification

5.5        Radiographic reports

 

Total hours of instruction for this course:  40 hours