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  1. No Access

    Chapter and Conference Paper

    Application of Microacoustical Technique to Study Elastic Properties and Microstructure of New Generation of Bulk Metallic Glasses

    Elastic properties of bulk metallic glass (BMG) Pd39Ni10Cu10P21 have been studied basing on sonic velocity data analysis. Different states of the Pd39Ni 10Cu 1 oP21 system (glassy state, super-cooled liquid (SCL)...

    V. M. Levin, S. J. Petronyuk, L. Wang, J. Hu, Q. Zhang in Acoustical Imaging (2004)

  2. No Access

    Chapter and Conference Paper

    Material Parameters Determining the Band Gaps of Solid-Solid Phononic Crystals

    Material parameters directly determining band gaps for general threedimensional phononic crystals are derived from the basic wave equations. These parameters include the mass density ratio, shear modulus ratio...

    **ao-Zhou Zhou, Yue-Sheng Wang… in IUTAM Symposium on Recent Advances of Acou… (2010)

  3. No Access

    Chapter and Conference Paper

    Feature Extraction of Corrosion Acoustic Emission Signals Based on Genetic-Matching Pursuit Algorithm

    The acoustic emission (AE) detecting is an effective online tank bottom corrosion monitoring method. It is easy to discover early corrosion. Aiming at random unstable features of AE signals from tank bottom co...

    Yang Yu, Nan Zhang, ** Yang, Bo Liu, Yuan Fu in Advances in Acoustic Emission Technology (2015)

  4. No Access

    Chapter and Conference Paper

    Separation of the Elastic and Plastic Wave in Electromagnetically Induced Acoustic Emission Testing

    In this chapter, a developed electromagnetically induced acoustic emission technique (EMAE) which can be used for nondestructive flaw detection is introduced. This method is different from traditional acoustic...

    Zhichao Cai, Suzhen Liu, Qingxin Yang… in Advances in Acoustic Emission Technology (2015)

  5. No Access

    Chapter and Conference Paper

    Deflection on Hit-Count Curves in Acoustic Emission Could Reflect the Damage Extent of C/C Composite Material Structure

    Counts of each hit are related to the damage extent of C/C composite material structure. The relative curves of Hit and Count as well as Hit and Energy of AE, attained from static load procedure of C/C composi...

    Haibei Gu, Peng Ge, Kai Zhang, Guoliang Wang in Advances in Acoustic Emission Technology (2015)

  6. No Access

    Chapter and Conference Paper

    Calibration Principle for Acoustic Emission Sensor Sensitivity

    Acoustic emission sensors are the most important part of an acoustic emission detection system, which directly determines the validity and accuracy of the detection result. In order to improve the reliability ...

    Dingguo **ao, Zhaona Zhang, Huiling Ren… in Advances in Acoustic Emission Technology (2015)

  7. No Access

    Chapter and Conference Paper

    Three-Dimensional Finite Element Simulation of Signal Detection Transducer for Electromagnetically Induced Acoustic Emission

    Electromagnetically induced acoustic emission technique is a new nondestructive testing technology. By electromagnetically induced high density eddy current pulse, we can get a strong signal which can be used ...

    Guangchao Zhang, Qingxin Yang, Liang ** in Advances in Acoustic Emission Technology (2015)

  8. No Access

    Chapter and Conference Paper

    Research on Acoustic Emission Attenuation Characteristics and Experiments on Composite Cylinders

    The object of our research is the 50L carbon fiber composite cylinder. Using the acoustic attenuation theory formula of a fixed emission frequency and a non-fixed emission frequency, we calculated the acoustic...

    Guang Dai, Yunkuo Ma, Feng Qiu, Ying Zhang in Advances in Acoustic Emission Technology (2015)

  9. No Access

    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 ...

    Junpeng Zhou, Ying Zhang, Guang Dai… in Advances in Acoustic Emission Technology (2015)

  10. No Access

    Chapter and Conference Paper

    Intelligent Evaluation Method of Tank Bottom Corrosion Status Based on Improved BP Artificial Neural Network

    According to the acoustic emission information and the appearance inspection information of tank bottom online testing, the external factors associated with tank bottom corrosion status are confirmed. Applying...

    Feng Qiu, Guang Dai, Ying Zhang in Advances in Acoustic Emission Technology (2015)

  11. No Access

    Chapter and Conference Paper

    Application of Acoustic Emission Technology for Rolling Bearing Condition Monitoring on Passenger Ropeway

    As one of the most important parts on the passenger ropeway, the rolling bearing is difficult to be disassembled for in-service inspection. Online monitoring of rolling bearing on passenger ropeway could be ca...

    Junjiao Zhang, Heying Wang, Gongtian Shen… in Advances in Acoustic Emission Technology (2015)

  12. No Access

    Chapter and Conference Paper

    Research Based on the Acoustic Emission of Wind Power Tower Drum Dynamic Monitoring Technology

    Wind power tower drum is one of the key components of the wind power equipment. Whether the wind tower drum performs safety directly affects the efficiency, life, and performance of wind power equipment. Wind ...

    Penglin Zhang, Yuan Sang, Yaxing Xu… in Advances in Acoustic Emission Technology (2015)

  13. No Access

    Chapter and Conference Paper

    Development of High-Speed Wi-Fi Wireless Acoustic Emission System

    In order to satisfy the requirement of AE testing and monitoring for pipeline, large pressure vessel, large crane and amusement device, a new 16-channel high-speed Wi-Fi wireless acoustic emission system based...

    Gongtian Shen, Ya**g Zhang, Yibiao Dong… in Advances in Acoustic Emission Technology (2015)

  14. No Access

    Chapter and Conference Paper

    Statistical Analysis of Events of Random Damage in Assessing Fracture Process in Paper Sheets Under Tensile Load

    This investigation presents an experimental, computational, and data-enabled method to study the statistics of these ERD in the evolution of fracture process in paper sheets, which holds the key to making accu...

    Liang Zhang, Ming Fan, Jianyu Li in Advances in Acoustic Emission Technology (2015)

  15. No Access

    Chapter and Conference Paper

    Research on the Acoustic Emission and Metal Magnetic Memory Characteristics of the Crane Box Beam During Destructive Testing

    In order to achieve rapid detection and localization of defects in a crane box beam, we used acoustic emission technology (AET) and metal magnetic memory technology (MMMT) to obtain the propagating characteris...

    Zhanwen Wu, Gongtian Shen, Junjiao Zhang… in Advances in Acoustic Emission Technology (2015)

  16. No Access

    Chapter and Conference Paper

    Acoustic Emission Behavior of Titanium During Tensile Deformation

    Application of the acoustic emission (AE) technique allows investigating collective processes of plastic deformation at different time scales spreading from microseconds up to the duration of the mechanical te...

    Gongtian Shen, Lifei Li, Zheng Zhang… in Advances in Acoustic Emission Technology (2015)

  17. No Access

    Chapter and Conference Paper

    Fault Analysis for Low-Speed Heavy-Duty Crane Slewing Bearing Based on Wavelet Energy Spectrum Coefficient

    By use of the custom-built crane model, loads, instrument, and sensor, AE tests for the slewing bearing with no defect, the slewing bearing with outer race defect, and the slewing bearing with roller defect ...

    Yang Jiao, Guanghai Li, Zhanwen Wu, Huipo Geng… in Advances in Acoustic Emission Technology (2017)

  18. No Access

    Chapter and Conference Paper

    Pattern Recognition for Acoustic Emission Signals of Offshore Platform T-Tube Damage Based on K-means Clustering

    An experiment on offshore platform about the damage of the T-tube-node is performed to determine the signal characteristics of different damage stages by monitoring the acoustic emission and analyzing K-means ...

    Peng Jiang, Luying Zhang, Wei Li, **ao Wang in Advances in Acoustic Emission Technology (2017)

  19. No Access

    Chapter and Conference Paper

    Acoustic Emission Testing on Aluminum Alloy Pressure Vessels

    To study the acoustic emission (AE) signal characteristics of aluminum alloy pressure vessels, a small aluminum pressure vessel containing a groove defect was tested using AE methods. The conventional paramete...

    Jun Jiang, Cheng Ye, Zhongzheng Zhang… in Advances in Acoustic Emission Technology (2017)

  20. No Access

    Chapter and Conference Paper

    Assessment of Damage Evolution in Paper Material Based on Acoustic Emission: An Experimental and Statistical Method

    Assessments of damage evolution in paper material are essential to understand, predict, and control this material failure, to which has been paid a great attention in the field of pulp and papermaking. However...

    Liang Zhang, Jianyu Li, Gang Qi, Yingli Zhu… in Advances in Acoustic Emission Technology (2017)

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