Video 11: Number of exposures for circumferential weld- Radiographic Testing - code ISO 17636-1

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This video highlights the considerations for number of exposures needed to cover the circumferential weld while meeting the requirements.
1. Techniques A & B as defined on code ISO 17636-1.
2. Graphs of minimum number of exposures as defined by code ISO 17636-1 for both techniques A & B.
3. Geometrics of exposures.
4. Angle of coverage and maximum angle.
5. Penetrated thickness and how to calculate it mathematically.
6. Variations in film dose between center and edges and how to calculate it mathematically.
7. Mathematical examples and step by step analysis.
I hope that you will find the video useful. Thanks for your support.
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