研究热形变过程激活能和应力指数与形变组织的关系。
The dependence of activation energy and stress exponent upon the structure state is elucidated.
应力指数法和疲劳强度减弱系数法是进行疲劳容器设计的重要方法。
Stress index method and fatigue strength weakened coefficient method are important methods for designing fatigue vessel.
岩石的外应力敏感指数仅受敏感常数的影响，岩石的内应力指数受敏感常数和孔隙度的共同影响。
Sensitivity index of external stress is only affected by sensitivity constant, while index of internal stress is affected by both sensitivity constant and porosity.
试验结果表明：2618铝合金表现出较高的蠕变应力指数，在引入门槛应力后，该合金的蠕变行为可得到满意解释；
It was found that 2618 aluminum alloy exhibits a higher creep stress exponent. The creep behaviors of the alloy can be described by using threshold stress.
稳定蠕变应变率本构方程是作用在盐岩上的应力偏量的幂次函数和能量与温度的指数函数。
The steady-state creep strain rate is a power function of deviatoric stress and exponential function of temperature and energy.
稳定蠕变应变率本构方程是作用在盐岩上的应力偏量的幂次函数和能量与温度的指数函数。
The steady state creep strain rate is a power function of deviatoric stress and exponential function of temperature and energy.
对于轴向阶梯载荷下圆柱壳的非轴对称动力屈曲，将临界应力和屈曲惯性指数作为双特征参数求解。
Critical stress and inertial exponent are treated as two characteristic parameters for the asymmetric dynamic buckling of cylindrical shells under axial step loading.
通过试验数据的逐步回归分析，进一步揭示试验介质参数对应力腐蚀敏感性指数影响的显著性。
By stepwise regression analysis of test results, the notabilities of effect on stress corrosion cracking susceptive indexes of medium parameters are revealed.
讨论了指数分布场合下序进应力加速寿命试验的矩估计问题。
This paper presents moment estimation of the progressive stress accelerated life testing under exponential distribution censored samples.
结果表明，应用子模型技术估算三维双材料结构的应力奇异性指数是有效的。
It is shown that FEM sub-modeling technique is valid for estimating the index of stress singularity for three-dimensional bi-material structure.
通过量级分析，给出了尖端场的应力应变奇异性指数。
The stress and strain singularity exponent of crack-tip field is given by means of the asymptotic analysis.
在这两种应力条件下，应力导致的漏电流与时间的关系均服从幂函数关系，但是二者的幂指数不同。
Under both stress conditions stress induced leakage current follows a power law against stress time with different power factors.
试验结果表明，在温度水平一定的条件下，砂岩的孔隙度随有效应力的增加而呈负指数规律减小；
The test results show that the porosity of sandstone decrease with the increasing effective stress at the fixed temperature level, following the law of negative exponent.
随着差异沉降进一步增大，接口处应力以指数形式迅速增大，呈现不收敛趋势。
When differential settlement further increases, the stress of intersection interfaces increases in exponential form, which shows great divergent trend.
对于水平应力，其斜率间的关系近似成指数关系；
To level stress, the relation of their slope approximatively shows the exponent function relation;
在各种给定温度下，应力随时间均按负指数形式松弛，但应力松弛时间常数强烈地依赖于温度。
Stress relaxations are observed at various given temperatures. The variation of stress with time is exponential form and the relaxation time constant is strongly dependent on temperature.
文章对含i型裂纹的正交各向异性功能梯度材料板沿其板厚的弹性常数表达式呈指数函数变化时的应力-应变场进行分析。
In this article, the fracture analysis on mode I crack of orthotropic functionally gradient materials is studied, under which the elastic constants changed exponentially along thickness of the plate.
鸡蛋的有限元分析结果表明，鸡蛋在长轴方向承载时所产生的应力比短轴方向要大，蛋型指数对应力有一定的影响，与试验结果相一致。
The results of finite element analysis shows that the stress along long axis is bigger than short axis, egg shape index has a great impact on the stress when loaded.
基于渗透率随压力呈指数变化规律，建立了任意形状应力敏感性双重介质油藏不稳定渗流的数学模型。
Based on the law of permeability changing with pressure, a mathematical model is established for unsteady percolation in dual-porosity reservoirs with arbitrary shape of stress sensitivity.
试验结果表明：松散岩块的切线模量与轴向应力间呈指数关系，并随其颗粒粒径和岩性不同而变化；
The result of this experiment reveals that the tangential modulus is exponential with axial stress, and varies with rock block size and rock property.
采用指数模型拟合城市固体垃圾的应力-应变等时曲线，并取得了很好的拟合效果，模型参数简单易求，可反映城市固体垃圾压缩性的大小及其压缩机制。
An exponential model is proposed to fit the stress-strain-time curve and obtaining good fitting effect. Parameters of this model are easy to get and can reflect the compressibility and its mechanism.
这就从试验上判明，即使在相同的应力状态下，应变速率敏感性指数也与变形路径密切相关。
These prove that the strain-rate sensitivity index depends tightly on the deformation route from experiment, even on the condition that those stress-state are similar.
用指数函数对波浪和海冰作用下平台构件的疲劳应力、应力循环次数和环境参数的关系进行了拟合，拟合精度很好。
The exponential functions were used to reflect the relationship among fatigue stress, number of stress cycles and environmental parameters. The fitting precision of the functions was relatively high.
计算表明，炮孔深度(装药长度)增大，爆炸应力波峰值随距离的衰减指数减小。
The results indicate that the decay coefficient of the peak value of blast wave with the distance will be reduced as the hole depth (charge length) is increased.
结果表明，复合材料在高温下的流变应力较低，峰值应力与变形温度、应变速率之间的关系在低应力区符合指数关系。
The results show that, the flow stress of SiCP/AZ61 composite is low, the relationship between peak stress and temperature or strain rate is exponential relationship.
当锚杆与砂浆的粘结未破坏时，以指数曲线来描述锚杆的侧剪应力分布；
When the bond between bolt and grout is intact the shear stress distribution of the bolt side is described by exponent curve.
卸围压开始后煤岩在应力平台阶段的渗透率与卸围压时间呈指数函数关系。
During the unloading process of confining pressures, the permeability of coal being in the stage of stress flat roof showed an exponential function with the corresponding time.
卸围压开始后煤岩在应力平台阶段的渗透率与卸围压时间呈指数函数关系。
During the unloading process of confining pressures, the permeability of coal being in the stage of stress flat roof showed an exponential function with the corresponding time.
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