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:
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:
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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