Eddy Current Level I

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Eddy Current Level I

Welcome to our comprehensive Eddy Current Testing Fundamentals course. This course is designed to provide technicians with a solid foundation of knowledge and skills necessary to perform eddy current testing according to established procedures under the supervision of a Level II or III person/technician.

Course Content:

Fundamental Theory

• Basic Fundamentals of Electricity: Understanding electrical concepts relevant to eddy current testing.
• Relationship of Resistivity to Electrical Resistance: Exploring the connection between resistivity and resistance in materials.
• Relationship of Material Resistivity to Material Conductivity: Understanding the relationship between resistivity and conductivity in materials.
• Electromagnetic Induction: Examining self-inductance, mutual inductance, and their role in eddy current testing.
• The inductance of Eddy Current Coils: Understanding the inductance characteristics of eddy current coils.
• Generation of Eddy Currents: Exploring the principles behind the generation of Eddy currents.
• Properties of Eddy Current Flow: Understanding the behavior and properties of Eddy currents.
• Sensing Disturbance of Eddy Current Flow: Recognizing changes in coil impedance as an indication of disturbances in Eddy current flow.
• Basic Equipment: Introduction to the essential equipment used in eddy current testing.
• Introduction to Impedance Plane Diagrams: Understanding impedance plane diagrams and their relevance in eddy current testing.
• Skin Effect, Standard Depth of Penetration, Standard Phase Lag: Exploring the skin effect phenomenon and its impact on eddy current testing.
• Instrumentation: Familiarization with various instruments used in eddy current testing, such as impedance bridge instruments, crack detectors, conductivity meters, and recording instruments.
• Calibration: Techniques and procedures for calibrating Eddy's current testing equipment.
• Measuring Thickness of a Non-Conducting Layer on a Conductor: Methods for measuring the thickness of insulating layers on conductive materials.
• Inspecting for Defects: Techniques and parameters for detecting defects using eddy current testing.

Testing of Tubes and Cylindrical Components

• Probe Types: Introduction to different probe types used in eddy current testing.
• Comparing Differential and Absolute Probes: Understanding the differences between differential and absolute probes and their respective applications.
• Directional Properties of Eddy Current Flow: Exploring the directional characteristics of Eddy current flow for each probe type.
• Calibration: Procedures for calibrating eddy current probes used in testing tubes and cylindrical components.
• Inspecting for Defects: Techniques and parameters for detecting defects in tubes and cylindrical components using eddy current testing.
• Enroll in our Eddy Current Testing Fundamentals course to gain the necessary knowledge and skills to perform effective Eddy current testing. This course will equip you with a solid understanding of the fundamental principles and techniques required to contribute to the accurate and reliable inspection of various materials and components.

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