|
3-Various Penetrant Testing
Methods
a. Characteristics of each method
b. General applications of each
method
4. Liquid Penetrant Testing
Equipment
a. Liquid penetrant testing units
b. Lighting for liquid penetrant
inspection
c. Materials for liquid penetrant
testing
d. Precautions in penetrant inspection |
1.
Introduction
a. Brief history of nondestructive
testing and liquid
penetrant testing
b. Purpose of liquid penetrant testing
c. Basic principles of liquid penetrant testing
d. Types of liquid penetrants commercially available
2. Liquid Penetrant Processing
a. Preparation
of parts
b. Adequate lighting
c. Application of penetrant to parts
d. Removal of surface penetrant
e. Developer application and drying
f. Inspection and evaluation
g. Postcleaning
|
|
c. Indications from cracks
(1) Cracks occurring during solidification
(2) Cracks occurring during processing
(3) Cracks occurring during service
d. Indications from porosity
e. Indications from specific material
forms
(1) Forgings
(2) Castings
(3) Plate
(4) Welds
(5) Extrusions
f. Evaluation of indications
(1) True indications
(2) False indications
(3) Relevant indications
(4) Nonrelevant indications
4. Inspection Procedures and
Standards
a. Inspection procedures
b. Standards/codes
|
1.Review
a. Basic principles
b. Process of various methods
c. Equipment
2. Selection of the Appropriate Penetrant Testing
Method
a. Advantages of various methods
b. Disadvantages of various methods
3. Inspection and Evaluation of Indications
a. General
(1)
Discontinuities inherent in various materials
(2) Reason for indications
(3) Appearance of indications
(4) Time for indications to appear
(5) Persistence of indications
b. Factors affecting indications
(1) Penetrant used
(2) Prior processing
(3) Technique used
|
