SCHEDULE : 16 – 27 September 2019

FEE : RP. 18.500.000,- (Include Akomodasi)

VENUE : Lynn Hotel by Horison

(Jogokaryan, Yogyakarta)

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TRAINING OBJECTIVES :

This course meets the training syllabus requirements of ASNT SNT-TC-1A to provide a thorough grounding in the principles of eddy current testing and the fundamentals of engineering, materials and components inspection, such that the technician will be able to :

• identify the suitability of eddy current testing for all materials and inspection applications
• provide analysis of inspection data and documenting the results
• be familiar with regulatory codes and specifications for eddy current testing and its intent

COURSE OUTLINES:

1. Fundamental Theory

• Basic fundamentals of electricity
• Relationship of resistivity to electrical resistance
• Relationship of material resistivity to material conductivity
• Electromagnetic induction; self inductance and mutual inductance
• Inductance of eddy current coils
• Generation of eddy currents

2. Advanced Theory

• Fundamental properties of eddy current flow
• Depth of penetration in finite thickness samples
• Phase lag in finite thickness samples
• Simplified impedance diagrams
• Correlation between coil impedance and sample properties

3. Instrumentation

• Bridge circuits
• Typical bridge circuits in eddy current instruments
• Principle operation of eddy current instruments – general purpose instrument (impedance method) – crack detectors – material sorting and conductivity instruments – send & receive of eddy current systems – multifrequency equipment – pulsed eddy current equipment – recording equipment

4. Testing with Surface Probes

• Probe types  Probe designs
• Probe inductance and coil design characteristics
• Parameters affecting sensitivity to defects  Impedance graph displays
• Characteristic parameters
• Definition of “phase” terminology
• Selection of test frequency for: – inspecting for defects – measuring resistivity & measuring thickness – measuring thickness of a non-conducting layer on a conductor – measuring thickness of a conducting layer on a conductor

5. Surface Probe Signal Analysis

• Eddy current signal characteristics
• Defect signal phase
• Effect of material variations and defects in a finite thickness
• Coil impedance changes with defects
• Coil impedance changes with: – ferromagnetic anomalies – electrical resistivity – surface geometry
• Calibration standards and signals from calibration defects

6. Codes and Specifications

• Interpretation of codes and specifications commonly used
• Report writing

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Pendaftaran :

Phone : 0254 – 8481815

Email : admin@slv.co.id

Mobile : +62 87771200615 (Bapak Helman)

+62 81210071232 (Admin SLV)