acoustic emission

The acoustic emission also shows a decreasing rate , following the drop in stress-intensity factor.

随着应力强度因子的下降, 声发射也随着减少.

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Through compaction hardness and analog shear rock failure test to drilling core, the paper discusses the possibility of discriminating downhole rock type by using rock acoustic emission frequency.

通过对钻井取心岩样压入硬度及模拟剪切的破岩试验，探寻利用岩石的声发射频率来判别井下岩石类型的可能性。

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Acoustic emission count ( emission count )

声发射计数 ( 发射计数 )

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The result is, when more than one point changing violently appear on acoustic emission cumulative curve rock stress being affirmed in according to effect of kaiser is at worker's convenience;

结果表明，岩石声发射活动实质是一个动力学过程，岩石声发射累计曲线出现多个折点时，利用Kaiser效应方法确定岩体地应力有人为的任意性；

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The Y value of acoustic emission load/ unload ratio descend to 1 when rock reach final elastic deformation can be seen as precursory characteristic for rock failure.

声发射数加卸载响应比在岩石弹性变形阶段后期下降到1，可以作为岩石失稳破坏的前兆。

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The frequency, strength and energy of acoustic emission are concerned with rock mass fracturing.

岩体声发射的频度 、 强弱及高能事件与岩体的破坏过程密切相关.

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Under the conditions of different relative densities of sand and different vertical pressures, the variations of acoustic emission and tip resistance during the penetration were investigated.

针对砂土于不同相对密度与垂直应力之条件，探讨音波反应、锥尖阻抗在贯入过程之变化。

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Study on the characteristics of rock failure strain and acoustic emission field for two parallelling faults with the same slip direction including asperities

含障碍体滑动方向相同平行断层失稳破坏应变场、声发射分布特征的研究

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Study on acoustic emission feature of tensile fracture in uhmwpe/ ldpe(ⅰ)

UHMWPE/LDPE复合材料拉伸破坏的声发射特性研究（Ⅰ）

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The acoustic emission feature of tensile fracture in UHMWPE/ LDPE is studied by means of testing in the paper.

本文试验研究了UHMWPE/LDPE复合材料拉伸破坏的声发射特性。

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A Computer-based Acoustic Emission Detecting Instrument for Partial Discharge within Power Capacitor

电力电容器局部放电微机化声发射检测装置

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Fluctuation curves simulated will be changed accordingly as the features of acoustic emission source changes.

当声发射源的特征改变时，模拟出的波动曲线相应随之改变。

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The inclusion in steel deeply affected the acoustic emission of material.

钢中夹杂物对材料声发射现象有较大的影响.

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Acoustic Emission ( AE ) is a useful and effective technique in tool wear monitoring.

声发射技术是刀具磨损监测的一种新方法.

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The signals of the acoustic emission during welding are generated within materials being welding.

焊接过程的声发射信号是焊接工件内部的一种信号.

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The testing of A 3 steel plate samples was monitored with acoustic emission.

用声发射监测A3钢板状试样的拉伸过程.

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Acoustic Emission Behavior of Aluminum Alloy 7075 during Deformation and Fracture under Uniaxial Tension Test

7075铝合金在拉伸变形和断裂过程中的声发射行为

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Under cycling loading, rock damage and AE events in unload phase is increasing more quickly than load phase with load increasing. The Y value of acoustic emission load/ unload ratio descending gradually.

随着载荷的增加，岩石在卸载过程中的损伤和声发射事件较加载过程增加更快，声发射数加卸载响应比Y值逐渐减低。

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The characteristic parameters of acoustic emission monitoring for cracks of rotor were identified through experiments.

通过实验找出适合转轴裂纹声发射监测的各种特征参量.

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Engineers can also use acoustic emission sensors on composite structures.

工程师还可使用会发出声波的探测器,来检查复合材料的结构.

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Characteristics analysis of acoustic emission signals from steel specimens under tensile fracture and fatigue crack condition

钢制试件拉伸断裂及疲劳开裂声发射特征分析

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Acoustic emission is the characteristic and irreversible sound emitted by a material when it is deformed.

声发射是当材料变形时所发出的特殊的不可逆的声响.

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A model was constructed in laboratory to simulate the acoustic emission pipeline leak detection.

在实验室条件下,建立了压力管道泄漏的声发射检测模型.

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Acoustic emission ( AE ) testing is a rising multidisciplinary nondestructive testing technology.

声 发射检测 技术是一门新兴的多学科交叉的无损检测技术.

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Development of acoustic emission instrument

声发射仪器的发展

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According to the relation between the changes of the characteristics of the Acoustic Emission and stress condition, the sandstone and granite samples fracturing process both can be divided into three stages: the early loading stage, the medium loading stage and the late loading stage.

将砂岩和花岗岩样本的压裂过程和各自的声发射信号的规律的变化结合起来可以分为三个阶段，即加载初期阶段、加载中期阶段和加载后期阶段。并且它们具有各自不同的特征。

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Acoustic emission investigation on surface quality of magnetic recording disk and mechanical performance of magnetic head

磁盘表面质量及磁头力学特性的声发射研究

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The application and practice of acoustic emission technology of rock mass was presented in this paper.

本文主要介绍了岩体声发射技术在小铁山矿的应用与实践.

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Acoustic emission ( AE ) is a new method for cutting tool condition monitoring.

声发射是一种新的切削刀具状态的监测方法.

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Acoustic emission technology is a very good method of dynamic nondestructive testing.

声发射技术是一种非常好的动态无损检测方法.

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