AE Basics
What Is an AE Sensor (Acoustic Emission Sensor)? Principle, Applications and SelectionHow AE sensors work, where they are used and what to consider when choosing one
AE Sensor Types: Resonant, Broadband and Flexible — Differences and How to ChooseStructure, pros and cons and suitable applications of resonant, broadband and flexible AE sensors
AE Sensor vs Vibration Sensor: Differences and When to Use BothCompares what each sensor measures, its frequency range and detection timing, and how to use both together
AE Signal Parameters Explained: Hit, Amplitude, Counts, Energy, RMSIllustrated definitions of hit, threshold, peak amplitude, rise time, duration, counts, energy and RMS
AE Waveform and FFT Analysis: Reading AE Signals in the Time and Frequency DomainsWhat waveforms show, how FFT works and how spectra help identify sources and diagnose equipmentDetection Principles
How AE Detects Pipeline Leaks: From Signal Characteristics to Leak LocationCharacteristics of leak AE signals, comparison with conventional methods and locating leaks with two sensors
How AE Detects Cracks and Damage in Equipment: From Crack Growth to Corrosion and WearHow growing cracks emit AE, judging damage progression from signal trends, and detecting corrosion and wear
How AE Detects Motor, Gear and Bearing Faults: Predictive Maintenance for Rotating MachineryPeriodic AE signals from bearing and gear defects, fault frequency analysis and why AE suits slow-speed machineryAdoption Guide
AE Sensor Selection Guide: Checklist by Frequency, Form and EnvironmentWhat to check when choosing an AE sensor: frequency band, curved surfaces, temperature and Ex, spacing and data processing
How to Separate Real AE Signals from Field NoiseTypes of field noise and how filters, thresholds, feature analysis and baselines isolate real defect signalsUse Cases
AE Sensor Application Cases by Industry: Piping, Rotating Machinery, Batteries and Machine ToolsA brief summary of AE monitoring applied to plant piping, rotating machinery, battery processes and machine toolsView all use cases →Image credits: Wikimedia Commons — 155LA3 (CC BY 4.0), Mikasa2025 (CC BY 4.0), Carl Young (CC BY-SA 4.0), W.carter (CC0), R. Henrik Nilsson (CC BY 4.0), W.carter (CC0), Cedric Leturcq (CC BY-SA 4.0), Pbujair (CC BY-SA 4.0), Giacomo Alessandroni (CC BY-SA 4.0). Some images have been cropped.