Accurate Defect Sizing and Characterisation for Automated In-Process Welding and WAAM Inspection

项目目标：综述焊接超声相控阵和WAAM检测中的尺寸和校准过程（室温和高温）审查机器人输送相控阵超声技术的校准标准和技术。审查无耦合剂的校准标准和技术（干耦合）相控阵检测。强调机器人超声相控阵作为无损检测（NDT）工具用于过程中检测。确定过程中超声相控阵缺陷尺寸和表征的挑战。量化高温和干耦合对超声校准的影响，缺陷尺寸和特征。研究和开发不同的离线和在线使用机器人交付的超声波相控阵探头技术提高检测和尺寸测量精度的线校准方法研究和开发校准和补偿高温干耦合检测技术。

The aim of project:To review the sizing and calibration process in ultrasonic phased array for welding and WAAM inspection (room temperature and high temperature)Review calibration standards techniques for robotically delivered phased array ultrasound technology.Review calibration standard and techniques for couplant free (dry-coupled) Phased Array inspection.Highlight the use of Robotic Ultrasound Phased Array as a Non-Destructive Testing (NDT) tool for in-process testing.Identify the challenges for in-process ultrasonic phased array defect sizing and characterisation.Quantify effect of high temperature and dry coupling on Ultrasound calibration, defect sizing and characterisation.Research and develop different off-line and on- line calibration methods to enhance the detection and sizing measurements accuracy level using robotically delivered Ultrasound Phased Array Roller Probe Technology Research and develop calibration and compensation techniques for high temperature dry coupled inspection.