Phased Array Testing

NDT course on Phased Array Testing

Computer Based Training Course on "ADVANCED ULTRASONIC TESTING"
Phased Array Testing
CONTENTS:  PHASED ARRAY Testing
(see Detailed contents )

 
Phased Array: Main Phased Array: Index

 
 
1. PHASED ARRAY TECHNOLOGY

  • 1.1 Introduction
  • 1.2 Advantages and Disadvantages of PA
  • Self-evaluation Test

Phased Array: Technology
 
2. PHASED ARRAY PROBE

  • 2.1 Probe Structure
  • 2.2 Transducer
  • 2.3 Wedge-shaped Base
  • Self-evaluation Test


 
 
3. WORKING PRINCIPLES

  • 3.1 Beam Forming
  • 3.2 Beam Steering
  • 3.3 Acquisition Cycles
  • Self-evaluation Test

Phased Array: Electronic scanning
 
4. ELECTRONIC SCANNING

  • 4.1 Electronic Beam Steering
  • 4.2 Electronic Scanning Modes
  • Self-evaluation Test


 
 
5. BEAM FOCUSING

  • 5.1 Focusing Control
  • 5.2 Focusing Modes
  • 5.3 Dynamic Focusing
  • 5.4 Spatial Resolution
  • 5.5 Probe Resolution and Characteristics
  • Self-evaluation Test

Phased Array: Signal presentation
 
 
6. SIGNAL PRESENTATION

  • 6.1 Types of Presentation
  • 6.2 A-scan Presentation
  • 6.3 B-scan Presentation
  • 6.4 C-scan Presentation
  • 6.5 D-scan Presentation
  • 6.6 S-scan Presentation
  • 6.7 Combined Presentations
  • Self-evaluation Test

Phased Array: Types of presentation
 
 
7. CALIBRATIONS

  • 7.1 Introduction
  • 7.2 Calibration Block
  • 7.3 Sensitivity Adjustment
  • 7.4 Construction of DAC Curves
  • 7.5 Determining the Lateral Resolutions
  • 7.6 Calibration Curves for Sizing
  • 7.7 Standard Reference
  • Self-evaluation Test

Phased Array: Calibration curves
 
 
8. CHARACTERIZATIONS OF DEFECTS

  • 8.1 Introduction
  • 8.2 Types of Defects
  • 8.3 Defect Sizing
  • 8.4 Defect Position
  • Self-evaluation Test

Phased Array: Defect sizing
 
 
9. APPLICATION FOR WELD INSPECTION

  • 9.1 Phased Array Inspection
  • 9.2 Probe Movement
  • 9.3 Scan Lines
  • 9.4 Depth Zones
  • 9.5 Multi-channel Mode (Virtual Probe)
  • 9.6 Gate setting
  • 9.7 Focusing for Welding
  • 9.8 Inspection Speed
  • 9.9 Scan Plan
  • Self-evaluation Test

Phased Array: Weld inspection