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PT Level II Refresher

This training offers information and instruction for Liquid Penetrant inspection and is intended as a refresher course for Level II technicians.

The Liquid Penetrant Testing module consists of 6 lessons including: The Fundamentals of Liquid Penetrant Inspection, Physical Principles of Liquid Penetrant, Liquid Penetrant Systems, Testing Procedures, Visual Examination and Interpretation as well as Process Control.

Cost: $33.00 for a 3 month license

Click on a lesson name below to view the covered topics

Fundamentals of Liquid Penetrant Testing

  • Overview
  • Basic Process
  • Applications for Liquid Penetrant
  • Advantages
  • Disadvantages

Physical Principles of Liquid Penetrant

  • Concept and Influencing Factors
  • Wetting Ability of Liquids
  • Capillary Action
  • Viscosity of Liquids
  • Other Desirable Properties

Liquid Penetrant Systems

  • Classification of Penetrant Systems
  • Penetrant System Selection
  • Developer Processes
  • Penetrant Standards

Liquid Penetrant Testing Procedure

  • Cleaning Methods
  • Penetrant Application
  • Penetrant Dwell Time
  • Excess Penetrant Removal
  • Developer Application

Visual Examination and Interpretation

  • Overview
  • Fluorescent Dye Lighting
  • Visible Dye Lighting
  • Indication Classifications
  • Appearance of Indications
  • Manufacturing Discontinuities
  • Service-Induced Discontinuities
  • Redevelopment

Liquid Penetrant Process Control

  • Overview
  • Causes of Material Degradation
  • Frequency of Process Control Checks
  • Process Control Requirements
  • Sampling of Newly Received Materials
  • Monitoring Process Performance
  • Testing of In-Use Materials