Detection and characterisation of defects in directed energy deposited multi-material components using full waveform inversion and reverse time migration

• Main Authors: Rao, Jing, Sing, Swee Leong, Lim, Joel Choon Wee, Yeong, Wai Yee, Yang, Jizhong, Fan, Zheng, Hazell, Paul
• Other Authors: School of Mechanical and Aerospace Engineering
• Format: Article
• Language: English
• Published: 2022
• Subjects: Engineering::Mechanical engineering; Additive Manufacturing; Multi-material Components
• Online Access: https://hdl.handle.net/10356/161514
• Institution: Nanyang Technological University

Directed energy deposition (DED) is capable in producing complex or high-value components with good mechanical properties. Despite these potential advantages, the quality and integrity of multi-material DED parts, remains a challenging issue that limits its wide applications. Material porosity in mu...