Results 21 to 30 of about 2,502,208 (315)
Novel Fiber-Optic Ring Acoustic Emission Sensor
Sensors, 2018 Acoustic emission technology has been applied to many fields for many years. However, the conventional piezoelectric acoustic emission sensors cannot be used in extreme environments, such as those with heavy electromagnetic interference, high pressure ...
Peng Wei +4 more
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International Journal of Distributed Sensor Networks, 2018 In this article, the acoustic emission tests of uniaxial cyclic load imposed on or released from the sandstone and mudstone were carried out. The deformation and failure characteristics and the law governing the acoustic emission activity were studied ...
Guangming Zhao, Chao Wang, Dongxu Liang
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DIAGNOSTICS OF DEFECT DETECTION IN THE INITIAL STAGES OF STRUCTURAL FAILURE USING THE ACOUSTIC EMISSION METHOD OF CONTROL [PDF]
Applied Engineering Letters, 2022 The article presents the results of experimental estimation of the possibility of early registration of structural defects using the acoustic-emission method of control, based on the phenomenon of acoustic emission, which is the excitation of elastic ...
Sergey Grazion +8 more
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The wear detection of mill-grinding tool based on acoustic emission sensor
The International Journal of Advanced Manufacturing Technology, 2021 The monitoring of tool wear plays an important role in improving the processing efficiency and reducing the production cost of enterprises. This paper is focused on the detection of electroplated diamond mill-grinding tools by using the acoustic emission
Wuzhen Huang +3 more
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Research of identification of acoustic emission signal of coal and rock
Gong-kuang zidonghua, 2013 In view of problem that it is difficult to identify acoustic emission signal of coal and rock burst under complicated noise environment, the paper proposed an identification method of acoustic emission signal of coal and rock based on wavelet packet and ...
TONG Min-ming +3 more
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Gong-kuang zidonghua, 2016 An information collection system of coal containing gas under uniaxial compression was built, dates' change of acoustic emission and mechanical parameters while coal samples loaded were tested, and damaged evolution model of coal and rock and ...
NIU Yue +7 more
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Energy Spectrum of Acoustic Emission Signals in Complex Media [PDF]
Журнал нано- та електронної фізики, 2017 A model of the energy spectrum of acoustic emission signals in complex structures with internal degrees of freedom is proposed. On the basis of the computational experiment of X-ray diffraction data, a quantum mechanical calculation of the applicability ...
V.V.В Marasanov, A.A.В Sharko
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International Journal of Distributed Sensor Networks, 2019 Understanding the acoustic emission effects on bolts under cyclic loading is of great significance for the support of roadways. The presented research focuses on the acoustic emission characteristics of bolts under cyclic loading.
Tieliang An +5 more
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Study on the tensile properties of sandstone with different water contents under freeze-thaw cycles
Gong-kuang zidonghua, 2023 Mines in cold regions of China are affected by freeze-thaw cycles, resulting in uneven expansion and contraction of rocks, leading to the formation of cracks. At the same time, the expansion of cracks due to water frost heave between cracks leads to rock
MIAO Haodong, REN Fuqiang
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Fracture behavior and acoustic emission characteristics of sandstone samples with inclined precracks
International Journal of Coal Science & Technology, 2020 Sandstone samples with precracks of different dip angles were collected from a coal mine roof and subjected to uniaxial compression tests, and acoustic emission (AE) and scanning electron microscopy (SEM) were used to study how the crack dip angle ...
Litong Dou, Ke Yang, X. Chi
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