• تهران، میدان ولیعصر (عج)، مرکز تجارت ایرانیان، طبقه 8، واحد 17

Course Duration: ۶۰ hr

EXAMINATIONS

General

Specific

Practical

Candidates must score a minimum of 70 % in each test and a minimum of 80% average for all the three tests

 

Course Outline

Module 1: RADIOLOGICAL SAFETY

Units

Dosage and Health Effects

Radiation detectors including Dosimeter, survey meter, film badge, TLD

Types of Radiation

o X-Ray

o Gamma Rays

Properties of Radiation

Attenuation of Electromagnetic Radiation

Module 2: TYPES OF RADIATION

Particulate Radiation – Alpha, Beta, neutron

Electromagnetic radiation – X-Ray, gamma ray

X-Ray Production

Gamma-ray production

Gamma ray energy

Energy Characteristics of common radioisotopes

Energy Characterization of X-Ray machines

Module 3 INTERACTION OF RADIATION WITH MATTER

Ionization

Radiation Interaction with matter

Units of radiation

Attenuation and Shielding

Half value layer

Inverse Square law

Module 4 EXPOSURE DEVICES AND RADIATION SOURCES

Radioisotope Sources

Radioisotope exposure device Characteristics

Electronic Radiation Sources – ۵۰۰ Kev or less

Electronic Device Sources – Medium and High Energy

Module 5: BASIC PRINCIPLES OF RADIOGRAPHY

Geometric Exposure Principles

Radiographic Screens

Radiographic Cassettes

Composition of radiographic Film

Module 6: Exposure Techniques

Single Wall

Double Wall

Panoramic

Use of Multiple Films

Module 7: SHOOTING A RADIOGRAPH

Film Type Selection

Exposure Time

Radiographic Technique setup

Setup and Geometrical Unsharpness

Establishing 2mR boundary

IQI Selection and Placement

Location markers

Module 8: Radiographs

Formation of the latent Image on Film

Inherent unsharpness

Arithmetic of radiograhic exposure

Characteristic Curve

Film speed and Class description

Module 9: Radiographic Image Quality

Radiographic Sensitivity

Radiographic Contrast

Film Contrast

Subject Contrast

Definition

Film Graininess

Image Quality Indicators (IQI)

Module 10: Dark Room Facilities

Facilities and Equipment

Film Loading

Protection of radiographic

Processing of Film – manual

Automatic Film Processing

Film Filing and Storage

Module 11: Radiographic Image Quality

Radiographic Sensitivity

Radiographic Contrast

Definition

Film Graininess

Image Quality Indicators (IQI)

Module 12: VIEWING RADIOGRAPHS

Equipment

Acceptable Densities

Film Viewing Considerations

Indications: Relevant and Non-Relevant

Module 13: Unsatisfactory Radiographs

Module 14: Weldments and Castings

Welding Discontinuities

Casting Discontinuities

Module 15: ASME V, Article 2

Sensitivity, Geometrical Unsharpness and Density requirements

ASME V Table T-276

Module 16: ASTM E-94 Standard

Module 17: Application of RT to Pressure Vessels

ASME VIII

Module 18: COMPUTED RADIOGRAPHY

Phosphor Plates

Film vs CR

Limitations of CR

Module 19: DIGITAL RADIOGRAPHY

Flat panel detectors

Image enhancement tools

Module 20: PRACTICALS

Technique Selection

Penetrameter Requirements

Location marker and IQI Placement

Exposure and 2mR barricade Calculation

Simulation of RT Shot

Film Density Measurements

Identification of Defects

Interpretation

Accept/Reject