Course Standard
XXX Liquid Penetrant Inspection
Course Description
In this course students will master the competencies associated with Liquid Penetrant testing at
Level I and Level II. This course adheres to the standards developed by the American Society for
Nondestructive Testing (ASNT) Laboratory work will parallel lecture materials from the
classroom.
Hours
Credit
3
Prerequisite/Core requisite:
Materials and Processes for NDT Inspection
Course Guide
Outcomes: The student will be apply all appropriate safety processes and procedures
Competencies
Identify safety processes associated with liquid penetrant testing
Apply safety processes associated with liquid penetrant testing
Outcomes: The student will be able to apply National Aerospace Standard (NAS410) to processes
and procedures used in liquid penetrant testing
Competencies
Identify National Aerospace standard (NAS410)
Identify the role of NAS410 in relation to aerospace industry and NDT
Identify terminology associated with NAS410
Identify the NDT methods listed as common in NAS410
List the responsibilities identified by NAS 410 associated with various NDT
certification levels
List the qualifications identified by NAS 410 associated with various NDT
certification levels
Identify the training hours identified by NAS 410 associated with various
NDT methods and certification levels
Identify the experience hours identified by NAS 410 associated with various
NDT methods and certification levels
List the vision requirements identified by NAS 410
List the examination requirements identified by NAS 410 associated with
various NDT certification levels
Identify how NAS410 affects liquid penetrant method of NDT
10.17.08
Apply NAS410 standards to liquid penetrant NDT processes and procedures
Outcomes: The student will be able to compare and contrast various types of liquid penetrant
testing
Competencies
Introduction
Discuss history of liquid penetrant inspection as an NDT method
Discuss the purpose of liquid penetrant testing
Identify the basic principles of liquid penetrant testing
List the types of liquid penetrant testing
Compare and contrast the types of liquid penetrant testing
Identify the methods of personnel qualifications in relation to liquid penetrant
testing
Discuss unique aspects of applying liquid penetrant testing methods to the
aviation industry
Outcomes: The student will be able to demonstrate liquid penetrant processing techniques using
aviation based projects and scenarios
Processes
Competencies
Identify the process to prepare parts for liquid penetrant testing
Identify lighting requirements for liquid penetrant testing
Identify application process of penetrants to parts
Identify removal process
Identify the developer application and drying process
Demonstrate effective procedures for application of liquid penetrant
Identify process for inspection and evaluation of part subjected to liquid
penetrant
Demonstrate effective inspection and evaluation process using liquid
penetrant
Identify post cleaning processes
Apply post cleaning processes
Outcomes: The student will be able demonstrate various penetrant testing methods using aviation
based projects and scenarios
Methods
Competencies
Identify standards methods for penetrant testing including ASTM and ASME
( ASTME E 1208, 1209 and 210)
Identify the characteristics for each standard
Demonstrate each method
Outcomes: The student will be able to utilize equipment and materials associated with liquid
penetrant testing
Equipment
Competencies
Identify equipment (testing units) associate with liquid penetrant
Identify light required for testing equipment
Identify light meters for testing equipment
Identified materials utilized in liquid penetrant testing
Utilize equipment and materials associated with liquid penetrant testing
10.17.08
Outcomes: The student will be able to select appropriate test for aviation based projects and
scenarios
Method selection
Competencies
Identify the limitations of each method
Identify the advantages of each method
Compare and contrast the various methods in order to select method
appropriate for situation
Outcomes: The student will be able to demonstrate the ability to perform liquid penetrant testing
with multiple variables in aviation based scenario
Impact of different
factors
Cracks
Porosity
Material forms
Evaluation
Indications
Competencies
Identify discontinuities inherent in various materials
Identify the reasons for indications
Identify the appearance of indications
Identify amount of time the indications will take to appear
Identify the persistence of the indications
Identify the effects of temperature and lighting (white to UV) on the
indications
Identify the effects of metal smearing operations on the indications
Demonstrate indications from time, persistence, temperature, lighting, metal
smearing
Identify the preferred sequence of penetrant inspection
Indentify the methods for preparing parts for penetrant inspection
Demonstrate methods for preparing parts for penetrant inspection
Identify the factors which affect indications including type of penetrant used,
prior processing and techniques used.
Identify indications from cracks including those occurring during
solidification, processing and service
Demonstrate indications from cracks
Identify indications resulting from porosity
Demonstrate indications resulting from porosity
Identify indications resulting from material forms including forgings,
castings, plate, welds, extrusions
Demonstrate indications resulting from various material forms
Identify true indicators
List false indicators
List relevant indications
List non relevant indications
Identify methods for process control including controlling variables in the
process and testing and maintenance of materials
Suggested Resources
List books, and other resources used here
Nondestructive Testing Handbook
10.17.08
Air Force Technical Order 33B-1-1 Nondestructive Inspection Methods, Basic Theory
10.17.08