3D printing of polymeric multi-layer micro-perforated panels for tunable wideband sound absorption

• Main Authors: Yang, Wenjing, Bai, Xueyu, Zhu, Wei, Kiran, Raj, An, Jia, Chua, Chee Kai, Zhou, Kun
• Other Authors: School of Mechanical and Aerospace Engineering
• Format: Article
• Language: English
• Published: 2020
• Subjects: Engineering::Mechanical engineering; 3D Printing; Selective Laser Sintering
• Online Access: https://hdl.handle.net/10356/141091
• Institution: Nanyang Technological University

The increasing concern about noise pollution has accelerated the development of acoustic absorption and damping devices. However, conventional subtractive manufacturing can only fabricate absorption devices with simple geometric shapes that are unable to achieve high absorption coefficients in wide...