Radiographic Testing (RT)

This course course prepares students for our certification examinations and provides students with the history, theory, and practical knowledge needed to become a Radiographic Testing Inspector. This course will also prepare the inspector to perform Level I and Level II radiographic testing. Topics covering both level I and Level II sections include: essential and ethical duties of the Radiographic Testing Inspector, history and present state of radiography, physics of radiography, equipment and materials, Techniques and Calibrations, and advanced techniques. Additional topics that will be covered in Level II only include radiation safety, defect-ology, codes (specifications, standards, and procedures), recording and interpretation of results.

1

Course Objectives

The objective of this course is to give a foundation in the history of radiographic testing, the nature of radiation, gamma radiation, X-radiation, and radiation safety. A understanding of x-ray sources, radiographic film, radio-isotope sources, exposure calculations, film processing and controlling quality. Finally, a introduction into advanced techniques and the future radiographic testing.

• To become familiar with types of radiation and its activity.

• To analyze and understand the Inverse Square Law and its application.

• To understand the Interaction of radiation and matter and attenuation.

• To learn the image considerations for producing radiographic film.

• To determine radiographic density, and understand the contrast and definition as it applies to shot exposure.

• To read and interpret radiographs to determine size and type discontinuities present in welds.

• To be able to completely develop radiographic film manually.

• To operate and use radiation in a safe manner for the inspector as well as the public.

2

Course Structure

This course is designed to provide a hybrid experience, including classroom and hands-on training. This class will be divided in the following way:

80% Classroom Training

• Theory of Radiographic Testing

• Familiarity of cameras, films, development process, sources etc.

• Code and procedure clinics

20% Field Hands-On Training

• Film development and exposure techniques

• Familiarity with safety equipment and “roping off”

• Field training based on job site location at time of class

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Course Outline

 

Introduction

• History

• Present Condition

• Future of Radiographic Testing

Physics of Radiation

• Nature of Radiation

• Activity and Ionization

• Inverse Square Law and Interaction of Radiation

• Sources of Attenuation and Geometry Unsharpness

• Scatter and Radiation Control

• Radiation Safety

Equipment and Materials

• X-ray Sources

• Radio-Isotopes Source

• Exposure Vaults

Techniques and Calibrations

• Imaging Considerations

• Radiographic Density

• Film Processing

Code Provisions

• American Welding Society (AWS)

• American Petroleum Institute (API)

• American Society of Mechanical Engineers (ASME)

Advanced Techniques

• Real Time Radiograph

• XRSIM

Essential and Ethical Duties of the Inspector

• Duties and Responsibilities

• Notification of Discrepancies

• Inspection Reports

4

Textbook and Course Material

• Personnel Training Publications: Radiographic Testing Classroom Training Book (ASNT)

• American Petroleum Institute (API) 1104 Piping Welding Code

• American Welding Society (AWS) D1.1 Structural Steel Welding Code

 

 Our philosophy at NDE Institute is based on our belief that the strongest inspectors are those who are trained with a focus on ethics and essential responsibilities.

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