Highly accurate online characterisation of cracks in plate-like structures

• Main Authors: Zou, Fangxin, Rao, Jing, Aliabadi, Mohammad Hossein
• Other Authors: School of Mechanical and Aerospace Engineering
• Format: Article
• Language: English
• Published: 2020
• Subjects: Engineering::Aeronautical engineering; Non-destructive Evaluation; Structural Health Monitoring
• Online Access: https://hdl.handle.net/10356/140156
• Institution: Nanyang Technological University

In this paper, an in situ technique for the localisation and the sizing of cracks in plate-like structures is presented. The excitation and the reception of the ultrasonic diagnostic signal – Lamb waves – are achieved by permanently installed piezoelectric ceramic disks. The technique simplifies the...