DYE PENETRANT TESTING

This course provides detailed theoretical and practical information on all commonly encountered penetrant testing techniques. Candidates will have the opportunity to use different methods on welds. This course is suitable for beginners and personnel with an existing NDT knowledge.

This course provides excellent preparation for level 1 and 2 examinations. It meets, in full, the training hour requirements as specifies in the ASNT.

Duration 3 Days

Study Guides, Study Guides and Practical

Provided

Certification

Candidate must pass the examinations to receive Level 1 & 2 certificates

Examination Papers

General Exam: Objective type closed book written exam address the basic principles of the applicable method. Specific Exam: Objective type open book written exam address the equipment, operating procedure, NDT technique, Codes and standards. Practical Exam: The Candidate should demonstrate familiarity with and ability to operate the necessary NDT equipment, record, and analyse the resultant information to the degree required.

Special Notes

This course is specifically designed for candidates wishing to become certificated as penetrant testing inspectors under the ASNT requirements.

Overall Course content

Introduction to penetrant methods
Basic principles of penetrant testing
Equipments used in penetrant inspection
Defect detection and evaluation
Techniques of penetrant inspection
Relevant Codes, Standards
Extensive hands-on practical element

Course Syllabus

Basic principles of penetrant testing
Purpose of liquid penetrant testing
Commercially available types of liquid penetrants
Part preparation
Lighting requirements for visible dye and Fluorescent inspection
Application of penetrants to parts
Removal of excess penetrant
Developer application and drying
Inspection and evaluation
Post cleaning
Materials for liquid penetrant inspection
Precautions in liquid penetrant inspection
Process of various methods
Surface cleaning methods
Advantages and Disadvantages of various methods
Discontinuities inherent in various methods
Factors affecting indications
Indication from cracks
indication from porosity
Indications from specific material forms – welding, casting, forging, plates, extrusions, indication during service, etc.,
Evaluation of indications
Reason for indication
Appearance of indication
Time for indication to appear
Effects of temperature and lighting
Effects of metal smearing operations (shot peening, machining etc.,)
True and False indication
Linear and Rounded indications
Relevant and Non Relevant indication
Testing and maintenance materials
Safety and health – Toxicity, Flammability, precautions for ultraviolet radiation, MSDS
Acceptance criteria
Report writing