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Modified Acoustic Emission for Prognostic Health Monitoring, Phase I

Completed Technology Project

Project Introduction

A variety of nondestructive inspection (NDI) techniques are already available for detection of small defects within structures. These techniques, although useful, provide little insight in terms of the remaining useful life of components or structures. Furthermore, NDI techniques rely on statistical analyses of historical usage records and can often result in situations where maintenance schedules are occurring more often than necessary to insure safe operation. Intelligent monitoring of the state of constituent materials allows for operation at reduced sustainment costs without sacrificing mission safety. Prime Photonics, LC. proposes to develop a novel acoustic emission monitoring sensor as part of a larger structural health monitoring system capable of providing end-of-useful life determination. The designed acoustic emission spectrum (AES) system will combine constituent fatigue history with local impact events tp provide a complete view of component lifetime. More »

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Technology Maturity (TRL)

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