8 Result(s)
within
Characterization and Evaluation of Materials
Engineering Acoustics
Yu** Zhou
Chapter
Conference Paper
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Chapter and Conference Paper
Numerical Simulation of Wave-Guiding Properties and Optimization Design for Wave-Guiding Rod
Wave-guiding rod is an auxiliary detection tool of acoustic emission (AE) testing under special conditions and plays the role of transmitting AE signals. But the AE signals propagating in the wave-guiding rod ...
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Chapter and Conference Paper
Interlaminar Shear Properties and Acoustic Emission Monitoring of the Delaminated Composites for Wind Turbine Blades
In this study, tensile tests have been carried out to investigate interlaminar shear properties of the delaminated composite materials for wind turbine blades. Acoustic emission (AE) technique was used to moni...
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Chapter and Conference Paper
Condition Monitoring of Shaft Crack with Acoustic Emission
A cracked shaft is one of the most catastrophic failures in any rotating machine such as the axle of a railway vehicle with increasing speed which is usually working in a hazardous environment. This paper desc...
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Chapter and Conference Paper
Extracting the Fault Features of an Acoustic Emission Signal Based on Kurtosis and Envelope Demodulation of Wavelet Packets
This chapter presents an envelope demodulation method based on wavelet packets and kurtosis to extract the fault features of an acoustic emission signal. De-noising was performed first to reduce the noise. The...
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Chapter and Conference Paper
Research on the Identification of Crack Status Through the Axle Acoustic Emission Signal Based on Local Mean Decomposition and Grey Correlation Analysis
Rail transportation plays an important role in the traffic of China, and its security is related to people’s life and property safety. The axle is an important part of rail vehicles, and it is also the key to ...
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Chapter and Conference Paper
Acoustic Emission Characteristic of Ceramic Matrix Composite Under Static Loading
The acoustic emission characteristics of ceramic matrix composite under static loading were investigated. The acoustic emission characteristics and the corresponding load ratio were analyzed. The damage mode o...
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Chapter and Conference Paper
Tensile Deformation Damage and Clustering Analysis of Acoustic Emission Signals in Three-Dimensional Woven Composites
To study the deformation and damage behaviors of three-dimensional (3D) woven composites, uniaxial tensile tests of the composites were conducted and real-time acoustic emission (AE) signals and speckle images...
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Chapter and Conference Paper
Acoustic Emission RA-Value and Granite Fracture Modes Under Dynamic and Static Loads
The RA-value characteristics and distribution versus rock acoustic emission average frequency, the peak frequency characteristics, and the evolution of rock fracture modes under dynamic and static loads were stud...
