Dashboard UT / Section 2: 0-degree / Overview Section 2

Content & Objectives

Section 2: 0-degree

1. Introduction

  • Thickness measurements
  • Lamination checks
  • Corrosion mapping

2. Hardware

  • Instrument
  • Probes
  • Wedges

3. Scan & views

  • Full Screen Height, Full Screen Width
  • Cursors and gates

4. Basic Theory

  • Wave and beam
  • Transit time
  • PRF
  • Backwall signal
  • Wedge signal

5. Setup

  • Distance probe-part
  • Probe angle
  • How to do a setup

6. Calibration

  • Time base linearity
  • Gain linearity
  • Beam edge plot
  • Near zone calculation
  • Transfer correction
  • 0-degree velocity calibration
  • 0-degree wedge delay calibration
  • 0-degree DAC calibration
  • 0-degree TCG calibration

7. Inspection

  • Scanning pattern

8. Evaluation

  • -6 dB
  • Depth measurements
  • Amplitude measurements
  • Length and width measurements
  • Mapping flaws

9. Interactive exercises

  • Setup
  • Velocity calibration
  • Wedge delay calibration
  • TCG calibration
  • Scanning and evaluation

11. Section's test

CategoryPage
Theory11
Movies55
Interactive Exercices47
Section's Test1