The effect of aero-engine connection interface morphologies on acoustic emission signals

Tong Liu, Xiaomin Wang, Guoan Yang, College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Department of Energy and Power Engineering, Tsinghua University

Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering

Published online on February 24, 2026

Abstract

Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, Ahead of Print.
There are numerous connection interface structures between various components of an aero-engine. The fault acoustic emission (AE) signals collected by sensors are inevitably transmitted through the connection interface. The connection interface with ...