Overview of Radiation and Radiography

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SUMMARY

This discussion provides a comprehensive overview of Radiographic Testing, covering its history, current practices, and future directions. Key topics include the physics of radiography, types of radiation such as X-Radiation and Gamma Radiation, and essential concepts like the Inverse Square Law and Linear Attenuation Coefficient. The conversation also highlights critical equipment used in the field, including X-ray sources and radiographic film, as well as advanced techniques like Real-time Radiography and Computed Tomography. The discussion serves as a valuable resource for professionals in the non-destructive testing (NDT) industry.

PREREQUISITES
  • Understanding of X-Radiation and Gamma Radiation
  • Familiarity with the Inverse Square Law and Linear Attenuation Coefficient
  • Knowledge of radiographic film and exposure calculations
  • Awareness of radiation safety protocols
NEXT STEPS
  • Research the principles of Carbon 14 Dating in radiographic applications
  • Explore advanced imaging techniques such as Real-time Radiography
  • Study the effects of Compton Scattering on radiographic quality
  • Learn about the calibration processes for radiographic equipment
USEFUL FOR

This discussion is beneficial for professionals in the non-destructive testing (NDT) industry, including radiographers, quality control engineers, and anyone involved in radiographic testing and safety protocols.

Astronuc
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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.