Study Materials – Radiographic Testing (RT)

📊 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.

📥 Download Excel Sheet

📉 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.

📥 Download Decay Chart (Access)

🧱 3. Presentation – Radiographic Casting Defects

PowerPoint showing real-time radiographs of casting defects for Level 2 training and exam preparation.

🧩 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.