Effect of self-sealing powder volume on vibration damping characteristics of LPBF-fabricated TC4 alloy beams

Yong Xu, Chenyu Zhang, Ming Huang, Qingfeng Yin, Jie Chen, Xiaohui Ge, Zheng Xiang, Tianhao Zhang, Jingang Tang, Shuke Huang, State Key Laboratory of New Ceramic Materials, School of Materials Science and Engineering, Tsinghua University, Institute of Systems Engineering, China Academy of Engineering Physics, Institute of Machinery Manufacturing Technology, China Academy of Engineering Physics

Journal of Vibration and Control

Published online on April 18, 2026

Abstract

Journal of Vibration and Control, Ahead of Print.
Simply-supported beams with self-sealing powder were fabricated via Laser Powder Bed Fusion technology. Systematic investigation of the effects of powder filling quantity and acceleration excitation on the system’s dynamic behavior was conducted through ...