Academic Catalog

AATA 101B: MAGNETIC PARTICLE TESTING LEVEL 2

Foothill College Course Outline of Record

Foothill College Course Outline of Record
Heading Value
Effective Term: Summer 2023
Units: 1
Hours: 15 lecture, 5 laboratory per quarter (20 total per quarter)
Prerequisite: This course is limited to students admitted to the Nondestructive Testing Technician Apprenticeship Program.
Degree & Credit Status: Degree-Applicable Credit Course
Foothill GE: Non-GE
Transferable: None
Grade Type: Pass/No Pass Only
Repeatability: Not Repeatable

Description

Industry codes and standards; performing a test, including selecting equipment, steps to conduct a test, interpreting results, and writing test reports. Methods of applications and the different particles included in these.

Course Objectives

The student will be able to:

  1. Select appropriate equipment for the testing environment
  2. Perform a complete MT test
  3. Maintain a work station
  4. Read and understand code and standard

Course Content

  1. Mediums and preparation
    1. Dry and wet method
    2. Particles: Dry and wet
    3. Properties of particles
    4. Visibility of particles
    5. Methods of application
    6. Contamination of magnetic particles
    7. Settling test procedure
    8. Concentration for wet suspensions as per ASME Sec V Article 7
    9. Bath maintenance
  2. Application
    1. Residual and continuous method
    2. Magnetic particle inspection of solid cylindrical parts, gears, multiple diameter articles, discs, hollow cylindrical articles
    3. Selection of proper method of magnetization
    4. Verification of magnetic fields
    5. Checking the adequacy of field using the Pie Gauge, shims
    6. Fluorescent inspection
    7. Black light warm up time
    8. Minimum intensity and light meter
    9. Visual adaptation
    10. Visual inspection
    11. Minimum light intensity and light meter
    12. Magnetic rubber inspection
  3. Types of indications
    1. Interpretation, including relevant, false, non-relevant indications MODULE 8: CODES AND STANDARDS (specific training)
    2. MT inspection procedures
  4. Codes and standards: Most recent codes and standards will be used
    1. Example:
      1. ASME Section V Article 7: Magnetic Particle Examination
      2. ASME Section VIII (Accept/Reject Criteria)
      3. ASTM E-709: Standard Guide for Magnetic Particle Testing
      4. ASTM E-1444: Standard Practice for Magnetic Particle Testing
    2. Other codes and standards can be discussed if pre-arranged with the instructor at the time of registration

Lab Content

  1. Magnetic yoke, dry visible, wet visible, wet fluorescent
  2. Central conductor
  3. Coil shot - longitudinal
  4. Ketos (Betz) Ring - depth of penetration
  5. Training on weld flaw samples

Special Facilities and/or Equipment

1. Magnetic yoke, aerosol penetrant.
2. When taught via Foothill Global Access, on-going access to computer with email software and hardware; email address.

Method(s) of Evaluation

Methods of Evaluation may include but are not limited to the following:

Results of written test
Results of practical test

Method(s) of Instruction

Methods of Instruction may include but are not limited to the following:

Discussion
Slideshow
Video
Demonstration
Hands-on training

Representative Text(s) and Other Materials

American Society for Nondestructive Testing. Personnel Training Publications: Magnetic Particle Testing (MT), Classroom Training Book, 2nd ed.. 2015.

This text is still widely used within the industry and is the most current text used for training.

Types and/or Examples of Required Reading, Writing, and Outside of Class Assignments

  1. Reading: Reach Chapter 3 - Magnetization
  2. Writing: Complete Quiz 3 on page 57. Quiz results will be reviewed in class as a group

Discipline(s)

Industrial Maintenance