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The objective of this project is to develop a low-cost, accurate, robust inspection system using guided ultrasonic wave imaging to detect corrosion, attrition, fouling build-up and cracks found in food and drinks pipelines, as well as water pipes and heat exchanger tubes, thus enabling repair work at an early stage.

By extending the lifecycle of materials through early repair, material waste and product contamination can be eliminated. Existing inspection systems provide limited coverage, leading to poor detection capability and monotonous inspection.

Hence, this project proposes to develop a new compound transducer array and associated system to enhance the resolution of present guided wave technology by combining both advanced signal processing and automated focussing systems. This will increase inspection performance especially the detection and sizing of small cracks and corrosion.