Experimental Study on Acoustic Emission Characteristics of Modified Phosphogypsum at Different Loading Rates [0.03%]
不同加载速率下改性磷石膏声发射特性试验研究
Bo Zhang,Ji Zhang,Qiaoli Le et al.
Bo Zhang et al.
In this study, the effects of different loading rates (0.05, 0.1, 0.5, and 1 MPa/s) on the mechanical properties and acoustic emission (AE) characteristics of modified phosphogypsum were systematically studied through uniaxial compression tests combined with AE technology.
Fracture Behavior and Damage Mechanism of Red Sandstone under Loading: An Experimental and DEM Study [0.03%]
红砂岩破裂行为及损伤机理的试验和离散元研究
Di Wu,Xing-Yuan Jiang,Hong-Sen Hu et al.
Di Wu et al.
A model for calculating the damage coefficient has been proposed by integrating acoustic emission data with energy loss principles.
Multifaceted characteristics of acoustic emission damage and precursor indicators of instability in sandstone under cyclic impact loading [0.03%]
循环冲击载荷下砂岩声发射损伤的多维特征及失稳前兆指标研究
Xu Hong,Chao Pan,Yujun Zuo et al.
Xu Hong et al.
Multi-gradient cyclic impact testing (50-160 cm drop heights) was implemented to simultaneously monitor the dynamic mechanical responses and acoustic emission (AE) signals.
Loading of a porous rock with constant micro-seismic event rate suppresses seismicity and promotes subcritical failure [0.03%]
恒定微地震速率下多孔岩石的加载可抑制地震活动并促进亚临界失效
Maria-Daphne Mangriotis,Alexis Cartwright-Taylor,Ian G Main et al.
Maria-Daphne Mangriotis et al.
We confirm that using continuous servo-control based on acoustic emission event rate not only slows down deformation compared to standard constant strain rate loading, but also suppresses events of all sizes, including extreme events....The model is independently consistent with the observed stress history and acoustic emission statistics. Our results imply that including seismic event rate control may improve risk management of induced seismicity over a range of event magnitudes, if similar processes are relevant at larger scales.
Research on Brazilian splitting mechanics and acoustic emission characteristics of various types of sandstones in Shendong mining area [0.03%]
神东矿区不同类型砂岩巴西劈裂力学特性及声发射特征研究
Zhiliang Yang,Songpeng Yue,Cun Zhang et al.
Zhiliang Yang et al.
In order to investigate the tensile mechanical properties of various sandstones in the Shendong mining area, real-time acoustic emission (AE) monitoring of Brazilian fracturing was conducted....In the case of siltstone, the AR (the ratio of AF (AE ring count/duration time) to RA (rise time/amplitude)) values for acoustic emission are evenly distributed, resulting in a linear growth pattern in the overall damage curve.
A Digital Signal Processing-Based Multi-Channel Acoustic Emission Acquisition System with a Simplified Analog Front-End [0.03%]
一种基于数字信号处理的多通道超声波发射采集系统及其简化的模拟前端电路
Gan Tang
Gan Tang
Advanced multi-channel acoustic emission (AE) monitoring systems often rely on complex and costly architectures, especially those requiring custom FPGA-based hardware.
Experimental Study on Shear Characteristics of Filled Joints Anchored by Basalt Fiber-Reinforced Polymer Materials [0.03%]
basalt纤维增强聚合物锚固填充砌体抗震性能试验研究
Hengjie Luan,Qingzhai Shi,Changsheng Wang et al.
Hengjie Luan et al.
This paper presents shear experiments on bolted filled joints of Basalt Fiber-Reinforced Polymer (BFRP) materials with different joint roughness and filling degrees, while acoustic emission technology monitors the shear failure process of the specimens.
Identification of Phase Transformations in Alloy and Non-Alloy Steel During Austempering Using Acoustic Emission and Neural Network [0.03%]
基于声发射及神经网络的奥氏体等温处理过程中合金和非合金钢相变识别
Małgorzata Łazarska,Zbigniew Ranachowski,Janusz Musiał et al.
Małgorzata Łazarska et al.
The use of acoustic emission in connection with the artificial neural network (ANN) enabled the analysis and identification of phase changes occurring in steels during austempering....Classification of acoustic emission events was carried out with the help of their energy values and with the use of an artificial neural network....Keywords: acoustic emission (AE); austempering; bainite; martensite; neural networks.
The instability mechanisms and precursor information of different type rocks based on acoustic emission [0.03%]
基于声发射的不同岩类失稳机制及前兆信息
Ruixiong Xue,Yinghui Kong,Jinxiang Feng
Ruixiong Xue
This study presented the results of indoor uniaxial compression and acoustic emission (AE) monitoring tests for five type rocks: marble, granite, siltstone, sandstone and limestone.
Dingyi Hao,ShiKun Xu,Shihao Tu et al.
Dingyi Hao et al.
This study conducted constrained compression testing on mono-sized fragmented coal and rock particulate materials using a custom-designed compaction apparatus, evaluating parameters including compressive resistance, pre-/post-compaction mass variations, porosity evolution, and acoustic emission (AE)
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