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kaiser效应
相关语句
  kaiser effect
     Experimental Verification/Analysis of Kaiser Effect in Granite
     花岗岩Kaiser效应的实验验证与分析
短句来源
     Effect of Different Stress Paths on Kaiser Effect of Rock Acoustic Emission
     不同应力路径对岩石声发射Kaiser效应的影响
短句来源
     EVOLUTION AND PROPAGATION OF MATERIAL DEFECTS AND KAISER EFFECT FUNCTION
     缺陷的演化繁衍与Kaiser效应函数
短句来源
     Determination of Mine Field Stress with Kaiser Effect Method
     利用Kaiser效应测定矿山原岩应力
短句来源
     Kaiser effect occures in the stainless steel 1Cr18Ni9Ti at LN2 temperature range The experimental results are interpreted.
     1Cr18Ni9Ti不锈钢在LN_2温区、循环载荷下呈现明显的Kaiser效应. 这为用声发射监视超导磁体的运行行为提供了可参考的数据.
短句来源
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  kaiser effect of rock
     Effect of Different Stress Paths on Kaiser Effect of Rock Acoustic Emission
     不同应力路径对岩石声发射Kaiser效应的影响
短句来源
     And an experimental measuring method of in-situ stresses with Kaiser effect of rock samples under confining pressure is proposed,as well as the experimental principles.
     通过系统的实验研究,发现岩石的Kaiser效应相对应的应力与所受的围压呈线性关系,并得到了统计回归直线。
短句来源
     The in-situ stress of rock mass is determined by Kaiser effect of rock under uniaxial compression. This method is applied widely in rock mass engineering.
     用单轴压缩试验测试岩石Kaiser效应特征,进而确定岩体地应力状态的方法,在岩体工程实践中得到广泛的应用。
短句来源
     The in-situ stress measurement using Kaiser effect of rock samples under confining pressures is carried out,in order to offset the unsatisfactory property of the uniaxial Kaiser effect measurement of rock sample stresses. The influence of the confining pressure on the Kaiser effect of rock is systematically studied by applying a group of varied confining pressures to the rock samples with the same depth.
     通过对同一深度地层的岩样施加一组递增的围压,研究了围压对岩石Kaiser效应的影响,提出了利用围压下岩石Kaiser效应测定地应力的实验室方法,并且论述了其测定原理。
短句来源
     The Kaiser effect of rock can be employed to measure the in-situ stresses. The stresses corresponding to Kaiser effect of rock will approach and even exceed the uniaxial strength of rock with increment of strata depth.
     随着地层深度的增加,岩石Kaiser效应相对的应力会接近并且超过岩石的单轴抗压强度。
短句来源
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  “kaiser效应”译为未确定词的双语例句
     A New Method for Gauging Geostress in Rock by kaiser's Effect of Acoustic Emission
     利用岩石声发射Kaiser效应测地应力的新方法
短句来源
     Research on Measuring Initial Stress by Raiser Effect of Acoustic Emission and Its Application
     岩石声发射 Kaiser 效应测定地应力研究及工程应用
短句来源
     AEKaiser effect tests on oriented core at depth of 270 m and 294 m were carried out.
     对深度270和294 m的定向岩芯进行了声发射Kaiser效应试验。
短句来源
     Rock stress testing technology in remodeling low permeability layers
     开展地应力岩石Kaiser效应测试技术改造低渗透储层
短句来源
     THE STUDY OF SEVERIAL PROBLEMS OF MEASUREMENT FOR STRESS OF ROCK IN EFFECT OF KAISER
     用Kaiser效应测定地应力的几个问题的探讨
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  kaiser effect
On the nature of the Kaiser effect in metallic glasses
      
The Kaiser effect was observed in the measurement of acoustic emission (AE) during the course of uniaxial compression of the bulk samples of metallic glasses Zr41Ti14Cu12.5Ni10Be22.5 and Zr52.5Ti5Cu17.9Ni14.6Be22.5.
      
This fact allows one to reveal the nature of AE appearing during the course of deformation of metallic glasses and to interpret the observed Kaiser effect.
      
It's found that the Kaiser effect is not strictly satisfied in heteregeneous materials.
      
Cyclic uniaxial tests showed that, similarly to rock salt, clay exhibits a very well-pronounced Kaiser effect in AE with Felicity ratios around unity.
      
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Acoustic emission has been studied for a wide range of polymers including amorphous glasses, semi-crystalline polymers, copolymers, polymer blends and a crosslinked rubber during the course of uni-axial stretching at room temperature. For noncrystalline polymers acoustic emission occurred in rather small number of events accompanied by crazing and micro-crack formation. Strong acoustic activity appeared during yielding and necking of crystalline polymers. Rather small number or none of acoustic bursts occurred...

Acoustic emission has been studied for a wide range of polymers including amorphous glasses, semi-crystalline polymers, copolymers, polymer blends and a crosslinked rubber during the course of uni-axial stretching at room temperature. For noncrystalline polymers acoustic emission occurred in rather small number of events accompanied by crazing and micro-crack formation. Strong acoustic activity appeared during yielding and necking of crystalline polymers. Rather small number or none of acoustic bursts occurred during the initial stage of neck drawing but numerous strong bursts appeared when drawing proceeded approaching specimen break. Specimens of the same polymer but of different fabrication history may be reflected in their acoustic emission behavior. Acoustic emission during stretching crosslinked polybutadiene rubber was very weak but observable when the force-elongation curve started to deviate from the linear region. No Kaiser effect was observed for the rubber. Very strong and numerous acoustic emission was observed during stretching specimens of polymer blends. High impact resistant polymer modifications showed no sharp increase of acoustic activity before specimen break. So long as the polymer and conditions of specimen fabrication are the same quite reproducible acoustic emission behavior could be observed.

对一系列高聚物进行了单轴拉伸过程中声发射的观察,包括玻璃态高聚物、结晶高聚物、共聚物、共混高聚物和一种交联橡胶。非晶态高聚物拉伸时声发射次数很少,伴随银纹和微裂缝的产生而出现。结晶高聚物在屈服成颈时出现强的声发射,在颈部拉伸的初期声发射较少或不出现,拉伸到接近试件断裂前声发射强烈,次数急剧增多。相同高聚物但试件加工成形历史不同会在声发射上得到反映。交联的顺丁橡胶拉伸时声发射很弱,但可以观察到,在拉力-形变曲线开始偏离线性后出现,没有Kaiser效应。共混高聚物拉伸时声发射很多。高耐冲击共混接枝塑料在断裂前不出现强烈的声发射。如试样和试件加工成形条件相同,声发射现象的重演性是相当好的。

In this paper,we present the experimental.results of some universally used structural materials for superconducting magnets in their mechanical behavious and acoustic emission at different temperature ranges and deformation stages.Kaiser effect occures in the stainless steel 1Cr18Ni9Ti at LN2 temperature range The experimental results are interpreted.

研究了常用的超导磁体结构材料在不同温区、不同形变阶段下的机械性能以及相应的声发射特性.1Cr18Ni9Ti不锈钢在LN_2温区、循环载荷下呈现明显的Kaiser效应.这为用声发射监视超导磁体的运行行为提供了可参考的数据.对实验结果进行了解释.

An experiment of Indiana limestone has been conducted for estimation of preexisting stresses in rock cores. Five cylindrical specimens were pre-stressed under triaxial loading conditions to simulate various in situ stress fields. 26 pieces of specimens smaller, prepared from five pre-loaded rock specimens were under uniaxial pressure, when, acoustic emissions (AE) and applied stress were recorded as a function of time. The AE activity was presented as the sum of AE counts at each increment of 500 lbs. It was...

An experiment of Indiana limestone has been conducted for estimation of preexisting stresses in rock cores. Five cylindrical specimens were pre-stressed under triaxial loading conditions to simulate various in situ stress fields. 26 pieces of specimens smaller, prepared from five pre-loaded rock specimens were under uniaxial pressure, when, acoustic emissions (AE) and applied stress were recorded as a function of time. The AE activity was presented as the sum of AE counts at each increment of 500 lbs. It was found possible for each experiment to fit a set of three straight lines to data obtained by using least square method. The value of stress at two intersections of these three lines. may serve to predict the levels of the maximal preexisting axial stress and confining pressure. The error for this technique may be found to be within 10% for most of specimens in use.

对经过三向预加压的石灰岩试件所进行的试验研究表明,其声发射活动的特点与单向受力时的情况完全不同。此时,在一个试件的一次加载过程中会出现两次Kaiser效应,分别对应于载荷达到预加压时所施加的轴压与围压值之时。利用回归分析的方法来处理试验数据,可以使声发射活动对应力的响应关系用三条回归直线来近似。这三条直线的两个交点所对应的应力值,可以确定出预加压时岩石试件承受的应力状态。

 
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