本文研究了几种常见金属材料屈服前的微应变过程。
The microstraining prior to yield of several common metallic mate-rials has been studied.
在机械微应变多通道数据采集系统中,采用电流环方式进行远程信号传输,能够提高测量系统的抗干扰能力。
Applying current loop to transfer signal can improve the ability of the system's anti -interference in mechanic microstrain measuring system.
分析了应力与已滑移变形的晶粒百分比,以及与已滑移变形晶粒中平均滑移带数目之间的关系,发现微应变可分为三个不同的阶段。
Three different microstrain stages were found after analysis of the relations between the stress and the percentage of yielding grain and the average number of slip band per yielding grain.
结果表明,非弹性体积应变与微裂纹数量直接相关。
It shows that unelastic volumetric strain is directly prepositional to the number of micro-cracks.
按照剪切滞后理论和应变硬化规律,研究微复合材料的变形和应力状态。
The deformation and stress condition of the micro-composite are studied according to the shear-lag theory and strain-hardening law.
在观测和计算的基础上,对微空洞的形核率和长大率与塑性应变的关系进行了分析和讨论。
Based on these observations and computations, some analytical results have been made to show strain dependency of voids nucleation rate and voids growth rate.
从理论上得出了岩石非弹性体积应变与微裂缝数目成正比,从而解释了实验室研究的结果。
We show that unelastic volumetric strain is directly prepositional to the number of micro-cracks, which is observed in laboratory experiments.
本文运用损伤理论和微元强度统计理论导出了声发射参数与损伤参量及应变的关系模型。
The model about the relationship among AE parameters, damage variable and strain is derived by applying the damage theory and micro-element statistical strength theory.
该计算方法的提出不仅有利于微齿轮接触齿廓间粘附分析,而且对微齿轮应力应变分析提供一种新思路。
The presentation of the method is not only in favor of the adhesive analysis between the contacting faces also offers a new thought for the stress and strain analysis of microgear train.
对微钒钛高抗震性能建筑结构钢进行了模拟地震载荷高应变低周疲劳试验。
The high strain low cycle fatigue properties of V ti micro alloyed high anti seismic structural steel were studied with simulated earthquake loading.
光纤微弯传感器是一种强度调制式光纤传感器,它是利用光纤的微弯损耗效应来测量压力、温度、加速度、应变、流量等环境参量的变化。
It utilized the microbend loss resulting from optical fiber bending to measure the change of environmental parameters, such as pressure, temperature, acceleration, strain and flow.
采用金属材料微元屈服极限随机分布模型,计算出每次循环产生的微观塑性应变,并与用单调拉伸试验确定的材料真实断裂延性联系起来。
Randomly distributed models of micro-plastic strains were used to calculate the micro-plastic deformation produced at each cycle of the steel under high cycle fatigue test.
结果显示,微珠含量及其直径对复合物的拉伸屈服应力和屈服发生时的应变影响不太明显。
The results show that the influences of the glass beads content and its diameter on the tensile yield stress and strain at yield are not significant.
结论:不同周期性应变对细胞微丝结构产生一定的影响,微丝在细胞感应力的响应中起重要作用。
Conclusion: The structure of cytoskeleton were effected by cyclic strain force, it play a important role in influence strain.
通过微位移架上的位移测量实验与悬臂梁上的应变测量实验,结果表明该光纤应变片提供了同时适合于应变与形变的检测方式。
The measuring results for the micro displacement and the strain indicate that the optic fiber strain gauge offers a monitoring method both strain and distortion.
按剪滞理论和应变硬化规律研究微复合材料的弹塑性变形和应力状态。
The elastic plastic deformation and stresses of the micro composite are studied according to the shear lag theory and strain-hardening law.
把细观损伤理论和宏观统计损伤模型结合,建立应力–应变与微裂纹密度变化的关系;
The relation between stress-strain and density variation of rock crack has been obtained through the meso-damage theory and damage statistics model.
采用应变计作为压力敏感元件,采用集成仪表放大器对微信号进行放大。
A strain gauge is used as a pressure sensor and an integrated instrument amplifier is used as amplify signals.
不同周期性应变对细胞微丝结构产生一定的影响,微丝在细胞感应力的响应中起重要作用。
The structure of cytoskeleton were effected by cyclic strain force, it play a important role in influence strain.
采用基于应变梯度理论的假设应变有限元方法研究了微尺度梁弯曲的尺寸效应。
An assumed strain finite element method based on the theory of strain gradient was proposed to explore the size effect that frequently exhibited in micro-beam bending.
微合金元素钒的加入有利于钢筋强度与塑性综合提高,降低钢筋应变时效敏感性,提高钢筋高应变低周疲劳性能。
The accession of vanadium has shown a great effect on improvement of coordination between strength and ductility, sensitivity to strain aging and high strain and low cycle fatigue property.
本文论逆应用单片微计算机构成高精度电阻应变式数字电子秤的控制电路设计及电子秤的称量原理。
This paper discusses the gauge principle and control circuit of high-accu-rateactive gauge type digital load cell indicator using a single-chip-micro-computer.
本发明可改善应变金属氧化物半导体器件的制造中刻蚀沟槽时的微负载效应。
The invention can improve the micro-loading effect while etching the grooves in the process manufacturing the stress metal oxide semiconductor device.
试验表明,熔接痕形成的微裂纹对制品应变值的影响较大;
The experiment result shows that the strain affected by microcrack which was composed of weld 1ine seriously.
超深亚微米半导体结构中的局域微应力、应变的精确测量通常必须借助复杂的微结构分析、测量手段。
The accurate measurements of local micro-stress and strain in ultra deep sub-micron semiconductor structures usually resort to complicated microstructure analysis, measurement methods.
分析结果显示,在本文分析之范围内,微继电器开关之接触弯曲应力、应变以及残留应力、应变均会随著开关间隙、接触力以及电流负载之增加而增加。
The numerical results indicate that the contact stress and strain, and the residual stress and strain increase as either of the switch gap, switch contact force, or electric current loads increase.
提出了一种用微弯曲实验测定材料的与应变梯度塑性相联系的内禀长度的新方法。
Therefore, it is necessary to establish new constitutive models—strain gradient plasticity theories which possess the intrinsic material length.
提出了一种用微弯曲实验测定材料的与应变梯度塑性相联系的内禀长度的新方法。
Therefore, it is necessary to establish new constitutive models—strain gradient plasticity theories which possess the intrinsic material length.
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