Overview of Radiation and Radiography

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Radiographic testing is a critical non-destructive testing method that utilizes various forms of radiation, including X-rays and gamma rays, to inspect materials for defects. The discussion covers the historical context, current practices, and future advancements in radiography, emphasizing the physics behind radiation, including ionization and the inverse square law. Key topics include the interaction of radiation with matter, radiation safety, and the importance of equipment such as X-ray sources and radiographic film. Techniques for imaging, exposure calculations, and quality control are also highlighted, alongside advanced methods like real-time radiography and computed tomography. The thread illustrates the relevance of industrial radiography in non-destructive testing and its growing recognition within the physics community.
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Introduction to Radiographic Testing

http://www.ndt-ed.org/EducationResources/CommunityCollege/Radiography/cc_rad_index.htm

Introduction
History
Present State
Future Direction

Physics of Radiography
Nature of Radiation
X-Radiation
Gamma Radiation
Activity
Decay Rate
-Carbon 14 Dating
Ionization
Inverse Square Law
Interaction of Radiation and Matter
Linear Attenuation Coefficient
Half-Value Layer
Sources of Attenuation
-Compton Scattering
Geometry Unsharpness
Filters in Radiography
Scatter/Radiation Control
Radiation Safety

Equipment & Materials
X-ray Sources
Radio Isotope Sources
Radiographic Film
Exposure Vaults

Techniques & Calibrations
Imaging Consideration
Contrast
Definition
Radiographic Density
Film Characteristic Curves
Exposure Calculations
Controlling Quality
Film Processing
Viewing Radiographs
Radiograph Interp - Welds
Radiograph Interp - Castings

Advanced Techniques
Real-time Radiography
Computed Tomography
XRSIM
 
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I'm surprised to find a thread about industrial radiography on this physics forum! I'm in the industry as well and most people I've spoken to haven't heard of NDT. It's neat to come across information about it on here.
 
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