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Phased Array (PA) Evaluation Course Week 1

Phased Array (PA) Evaluation Course Week 1 - SNT-TC-1A:2011

Basic Course

This course provides the knowledge required to operate equipment functions for phased array application. After the course, the candidate shall be able to perform specific calibrations, and specific evaluations for acceptance and rejection determinations according to written instructions and to record results. Meets SNT-TC-1A:2011 Guidelines.

Content

• Principles of phased array probes
  • Array of piezo-electric elements
  • Delays
  • Control pf beam shape and angle
  • Laws
  • Fundamental principles of probe performance and design
• Principles of inspection sensitivity
  • References reflectors
  • Sensitivity to mis-aligned defects
• Phased Array Instrument
  • Control panel including input and output sockets
  • Block diagram of internal circuit modules
• Scanning with phased array probes
  • Swept beams
  • Linear scan
  • Fixed beam scans
  • Line scans - raster scans
• Calibration and checks
  • Checking probe elements
  • Beam angles and offsets/index point
  • Beam shape
• Software for data collection
  • File structure
  • Basic interface and windows option or panes
  • Setup parameters
    • Inspection sequence - tabs: sequence and encoder settings
    • UT settings - tabs: acquisition, probe, configuration, etc.
  • Data acquisition controls and protocol
    • Acquisition tool bar
    • Online views of data presentation
• Software familiarity
  • Displays and display types - options available to customize these including echo-dynamic patterns B, C, D scans formats and merged volumetric views
  • Cursors and gates
  • Reporting and data file conversions available
  • Saving files
• Procedures for verification of flaw existence and position
• Reporting

Duration: 40 hours