SCOPE
This course covers the principles of Liquid Penetrant Testing and prepares a candidate to:
Setup and calibrate equipment
Interpret and Evaluate Results with respect to Applicable Codes, Standards and Specifications
Familiar with the scope and limitations of the Methods
Write test reports.
TRAINING
Training Material is presented in Module that are followed by Quizzes
GENERAL TRAINING
Personnel Certification: ASNT SNT-TC-1A
MODULE 1: MANUFACTURING DISCONTINUITIES
Types of Discontinuities: Inherent, Processing and Service
Casting Discontinuities: Hot Tear, Cold Shut, Porosity, Shrinkage
Primary Processing Discontinuities including discontinuities in Rolling, Forging, Drawing, Extruding
Secondary Processing Discontinuities including discontinuities in Grinding, Heat Treating, Machining, Welding, Plating
Service Discontinuities:- Erosion, Wear, Fatigue, Corrosion, Creep, Hydrogen Attack
MODULE 2: PRINCIPLES
Purpose of Liquid Penetrant Testing
Physical Principles
Wetting Characteristics and Contact Angle
Wetting Ability
Force of Cohesion and Surface Tension
Capillary Action
Viscosity
Application of Penetrant: Dwell Time
Reversed Capillary Action
Visibility of Indication
Categories of Test Processes
Types of Dye: Type I and Type II
Methods of Removal of excess Penetrant including Water Washable, Emulsifiers and Solvent Removable
Sensitivity Levels ½, 1, 2, 3, 4
Selection of Process
Limitations of Penetrant Testing
MODULE 3: BASIC STEPS
This module covers the basic steps involved in the following processes
Method A Water Washable
Method B Lipophilic Emulsifier
Method C Solvent Removable
Method D Hydrophilic Emulsifier
MODULE 4: PRE AND POST CLEANING
Choice of Cleaning Method
Different Cleaning Methods including Detergent, Solvent, Alkaline, Steam, Ultrasonic cleaning, Vapor Degreasing
MODULE 5: APPLICATION OF PENETRANTS AND DEVELOPERS
Different ways of applying penetrants
Standard Temperature Limits
Dwell time
Drying
Drying Parameters
Drying Time Limits
Application of Developers
Types of Developers
Developing Time
Fluorescent Inspection
Black Light, Black Light Warm Up Time,
Visual Adaptation
Post Cleaning
MODULE 6: INTERPRETATION
Interpretation of Test Results
Flow Chart for Interpretation
Types of Indications like True, False, Relevant and Non Relevant indications
Categories of Indications: - Rounded and Linear
Evaluation of Indications
ASTM E-433 Reference Photographs of Indications types
MODULE 7: CODES & STANDARDS (SPECIFIC TRAINING)
Codes
ASME Section V, Article 6
ASME Section VIII, Appendix 8 (Accept/Reject Criteria)
Standards
ASTM E-165
ASTM E 1417
Other codes and standards can be discussed at the request of the students. Please make such requests at time of registration
PRACTICAL TRAINING
Visible
Solvent Removable
Fluorescent
Water Washable
Solvent Removable
Emulsifier both Hydrophilic and Lipophilic
Tests on Weld samples
EXAMINATIONS
General
Specific
Practical Tests
Candidates must score a minimum of 70 % in each test and a minimum of 80% average for all the three tests.
The duration of this course is for 3 days and it is conducted by NDT experts from TCR Arabia. Students will be given an ASNT Level II certificate at the end of this course.
All courses, unless specified in advanced with the client will be conducted at TCR Arabias training room at its office in Dammam located at:
TCR Arabia Company Limited
P.O. Box-3422
# 3 & 4, next to Al Kifah Construction
besides Al-Kadi Tent Factory
near King Abdulaziz Sea Port
Dammam, Kingdom of Saudi Arabia
(T) +966-3-8475784/8475785
(F) +966-3-8475768
(M) +966-504997683
Attention: Syed Ameen Hassan (M) 00966-504997683
Dates for scheduling of each class will be announced when a minimum of at least 6 students sign up for a given batch.
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