Study Materials – Radiographic Testing (RT)
๐ 1. Radiography Exposure Calculation – Excel Sheet
This spreadsheet includes formulas for calculating SFD, Density, Exposure Time, etc., suitable for industrial radiography using Ir-192, Co-60 or X-ray.
๐ฅ Download Excel Sheet๐ 2. Decay Chart – Ir-192, Co-60, Se-75
MS-Access database for calculating decay factors, exposure correction, and half-life tracking for radioactive sources.
๐ฅ Download Decay Chart (Access)๐งฑ 3. Presentation – Radiographic Casting Defects
PowerPoint showing real-time radiographs of casting defects for Level 2 training and exam preparation.
๐งฉ 4. Presentation – Radiographic Welding Defects
This presentation covers lack of fusion, slag, porosity, cracks, and incomplete penetration in welds visible via radiography.
All study material is prepared by D.N. Vijay for learning and training purposes only.
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