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Level III NDT
 

"Training for the NDT Professional"





Phone: (650) 654-3601
Fax:    (650) 574-9198


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Course Objectives at Level III NDT

Eddy Current Level 1
Eddy Current Level 2
Liquid Penetrant, Level 1-2
Magnetic Particle, Level 1-2
Ultrasonics Level 1
Ultrasonics Level 2
Visual Inspection - Turbine Engine Borescope Courses

 


Eddy Current Level 1
Duration – 40 hours

Prerequisite - none

Upon completion of this course, the student will be able to:

  • Conduct meaningful inspection to detect surface and subsurface flaws in conductive materials.
  • Conduct nonconductive coating measurements.
  • Detect material thinning.
  • Observe edge effect.
  • Calibrate instrumentation prior to product examination.
  • Operate instrumentation with meter readouts.
  • Operate instrumentation with digital readouts.
  • Operate instrumentation with impedance plane readouts.
  • Describe various probe types.
  • Apply current test standards.
  • Describe the advantages and disadvantages of various test methods.
  • Apply safety precautions inherent to the method.
  • Identify various discontinuity types and associated indications.
  • Apply various evaluation techniques.
  • Each student will be tested on the above principles and techniques by completing a general, specific and practical examination. 

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    Eddy Current Level 2

    Duration – 40 hours  

    Prerequisite – successful completion of a course equivalent to ET Level 1

    Upon completion of this course, in addition to the items described in ET Level 1, the student will be able to:

  • Describe basic electromagnetic theory.
  • Identify factors that affect coil impedance.
  • Demonstrate how to improve signal to noise ratios.
  • Determine proper test frequency ranges for various test scenarios.
  • Calculate the effects of fill factor changes.
  • Reduce unwanted or irrelevant response signals.
  • Describe various instrument design types.
  • Approximate flaw size, depth and orientation.
  • Demonstrate how changes in the following result in changes on impedance plane diagrams:
    • Conductivity

    • Permeability

    • Plating

    • Material thickness

    • Probe spacing

    • Surface flaws

    • Subsurface flaws

    Each student will be tested on the above principles and techniques by completing a general, specific and practical examination. 

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    Liquid Penetrant, Level 1-2
    Duration – 16 hours

    Upon completion of this course, the student will be able to:

  • Conduct meaningful inspections using visible and fluorescent penetrant materials.
  • Inspect specimens using stationary and portable penetrant systems.
  • Properly conduct system verification checks.
  • Identify liquid penetrant materials by type, removal method and sensitivity level.
  • Identify the various forms of developer in use.
  • Describe the principles with which liquid penetrants work.
  • Identify proper and adequate preparation of parts.
  • Identify proper and adequate penetrant material removal methods.
  • Apply current test standards.
  • Describe the advantages and disadvantages of various test methods.
  • Apply safety precautions inherent to the method.
  • Identify various discontinuity types and associated indications.
  • Each student will be tested on the above principles and techniques by completing a general, specific and practical examination. 

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    Magnetic Particle, Level 1-2
    Duration – 24 hours

    Upon completion of this course, the student will be able to:

  • Conduct meaningful inspections using visible and fluorescent magnetic particle materials.
  • Inspect specimens using stationary and portable inspection systems.
  • Properly conduct system verification checks.
  • Describe principles of magnets and magnetic fields.
  • Describe the meaning of Ferromagnetic and Paramagnetic materials
  • Identify materials that can and cannot be tested with the method.
  • Identify the effects of various discontinuities including surface cracks, scratches and subsurface defects.
  • Apply circular magnetic fields.
  • Apply longitudinal magnetic fields.
  • Select the proper method(s) of magnetization.
  • Describe electrical current types and their associated magnetic fields.
  • Demonstrate the use of wet and dry particles.
  • Determine proper field strength level.
  • Describe demagnetization methods.
  • Apply current test standards.
  • Describe the advantages and disadvantages of various test methods.
  • Apply safety precautions inherent to the method.
  • Identify various discontinuity types and associated indications.
  • Apply various evaluation techniques.
  • Each student will be tested on the above principles and techniques by completing a general, specific and practical examination. 

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    Ultrasonics Level 1
    Duration – 40 hours  

    Prerequisite - none

    Upon completion of this course, the student will be able to:

  • Describe the basic principles of acoustics.
  • Operate basic pulse echo instrumentation.
  • Operate digital thickness instrumentation.
  • Calibrate instrumentation prior to product examination.
  • Conduct basic straight beam contact examinations.
  • Conduct basic angle beam contact examinations.
  • Conduct basic immersion ultrasonic examinations.
  • Apply current test standards.
  • Describe the advantages and disadvantages of various test methods.
  • Apply safety precautions inherent to the method.
  • Identify various discontinuity types and associated indications.
  • Apply various evaluation techniques.
  • Each student will be tested on the above principles and techniques by completing a general, specific and practical examination. 

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    Ultrasonics Level 2
    Duration – 40 hours  

    Prerequisite – successful completion of a course equivalent to UT Level 1

    Upon completion of this course, in addition to the items described in UT Level 1, the student will be able to:

  • Conduct meaningful examinations using the straight beam method.
  • Conduct meaningful examinations using the angle beam method.
  • Conduct meaningful examinations using ultrasonic bond testers.
  • Evaluate weldments.
  • Locate, identify and size flaws.
  • Conduct or describe how to conduct examinations on base material product forms.
  • Calculate the following:
    • Wavelength

    • Near field

    • Beam spread

    • Beam diameter

    • Reflector size effects on dB

    • Flaw depth

    • Reflected sound energy at an interface

    • Surface distance

    Each student will be tested on the above principles and techniques by completing a general, specific and practical examination. 

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    Visual Inspection

    Turbine Engine Borescope Courses
    Course duration – 8 hours per engine type.

    Engine types offered:

  • PW2000
  • PW4000
  • IAE V2500
  • JT8D
  • CF6 series
  • CFM56
  • Prerequisite – previous borescope experience or completion of a borescope fundamentals course.

    Upon successful completion of any engine specific borescope course, the trainee will perform or describe how to perform the following tasks:

  • Follow applicable safety procedures.

  • Gain access for borescope inspection.

  • Select the correct borescope for each inspection area.

  • Access borescope ports as follows:

    •  Low Pressure Compressor

    • High Pressure Compressor

    • Combustion Chamber

    • High Pressure Turbine

    • Turbine Mid Frame (if applicable)

    • Low Pressure Turbine

  • Correctly evaluate distress and report any out of limit conditions.

  • Close up the engine after the borescope inspection/check is complete

  • The instructor will evaluate the student's ability to comprehend the above material by administering a written and/or practical exam.

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