applied stress

THE METHOD OF CAUSTICS APPLIED IN FRACTURE MECHANICS ( Determination of Stress Intensity Factor Ki)

焦散线法在断裂力学中的应用（应力强度因子K1的测定）

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Furthermore, under the same loading waveform the crack initiation life increases as the amplitude of applied stress decreases.

而且，降低正弦波加载时的应力幅值可大大提高夹杂物/基体界面疲劳裂纹的萌生寿命。

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The results showed that applied stress has an effect on the hydrogen concentration distribution, and the applied stress has acritical value. When the applied stress exceeds this value, the hydrogen concentration in the prestressing steel wire will sharply increase following the stress.

结果表明外部施加应力对预应力钢丝中氢浓度的分布会产生影响，而且外部施加应力存在一个临界值，当超过此值时，预应力钢丝中的氢浓度随应力的增加而急剧增加。

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during hot-pressing, the activation energy is less than that during pressureless sintering because of the promoting of the applied stress on the diffusion. during sps processing, the surfaces of particles are activated by pulsed current, so the activation energy is significantly decreased.

在SPS烧结过程中，由于外加的脉冲电流能使晶粒表面大大活化，所以活化能与无压烧结相比大幅度下降。

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Applied stress causes plastic deformation.

外加应力引起塑性形变.

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The models in CW CO2 laser beam conditions were numerically simulated with finite element method to analyze the relationship between the machining parameters and temperature filed, micro-channel contour and thermal stress, so that the results could be applied to reducing or avoiding distortion in practice.

对这些模型进行了连续CO2激光作用条件下的有限元法数值模拟，分析加工参数与温度场分布、流道外形和热应力的关系，用以指导在加工中避免或减少热变形的产生。

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in this paper, the problem of metal magnetic memory non-destructive testing principle is addressed. a mean field that is based on the phenomenological theory of ferromagnetism is used, and an effective magnetic field expression for ferromagnetic rod with applied stress in the geomagnetic field is derived.

针对金属磁记忆无损检测原理，基于铁磁性的唯像理论，利用一个近似的分子场，得到了地磁场中受应力作用的铁磁杆件的有效场表达式；

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metal flow takes place within the plastic range of the metal, so that the bend retains a permanent set after removal of the applied stress.

金属的流动发生在金属的塑性变形范围之内，因此在施加的外力去除之后弯曲保持永久的变形。

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At present, temper aging and vibration aging ( VSR) are commonly applied to remove residual stress in welded frames in factories.

目前，工厂中一般采用回火时效和振动时效法（VSR）对焊接构架中的残余应力进行消除。

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The fatigue crack extended under the applied stress and led to clutch fork crack and failure.

在工作应力作用下,裂纹不断扩展,最后导致拨叉完全开裂失效.

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Saturated marble is obviously effected by the amplitude and frequency of applied stress, and is also anisotropic.

饱和大理岩具有显著的应力振幅效应和频率效应以及各向异性。

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In addition, the parameter of transformation plasticity increases with applied stress.

同时, 在弹性范围内,相变塑性系数也随外加应力增加而增加.

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The tp-σ ( applied stress ) relation seems to follow an exponential law.

裂纹扩展期与外加应力大体有指数关系.

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In this paper, FEM was applied to analyze the stresses in the spherical tank with staggered joint defects, and the distribution of 2-D stresses and bending stress were discussed.

应用有限单元法对含错边缺陷的球罐进行了应力分析，讨论了球罐的两向应力变化规律及其弯曲应力分布规律。

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the slip and pile-up of dislocations result in microcracks initiating at the angle of π/ 4 with respect to the applied stress.

位错的滑移和堆集使微裂纹在与外加应力成π/4角的方向孕育。

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The variational trend of the curves for the angular dependence relation shows distinct differences in comparison to the case of the uniaxial anisotropy and exchange anisotropy parallelled if the orientation of applied stress is changed.

相比单轴各向异性与交换各向异性平行的交换偏置体系，改变外应力的方向，角度依赖关系曲线具有明显不同的变化趋势。

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It has been found that applied stress has significant influence on pearlite transformation.

发现外加应力对珠光体转变有显著影响.

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During in site extension in TEM without the liquid metal, only when dislocation emission and motion induced by thermal activity and applied stress reached a certain critical condition, microcrack would nucleate but not blunt into a void.

α-Ti在TEM中原位拉伸时，只有当热激活或外应力促进的位错发射和运动达到临界条件时，微裂纹才形核，并很快钝化成空洞而导致韧断。

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Stress relieving method applied to slant rectifying in soft soil region

应力解除法在软土地区纠偏中的应用

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Both of these statements are based on the tacit assumption that the applied stress does not change during the crack growth process.

这些结论都建立在理想的假设上，即外载在裂纹扩展过程中不变。

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Based on the model for the contraction of extended jogs [ 1], the time needed for the contraction under the action of applied stress and the climb velocity of extended dislocations are derived. And consequently, an expression of the steady state creep rate is obtained.

在文献[1]提出的扩展割阶束集模型的基础上，求出了在外加应力作用下割阶束集所需的时间和扩展位错的攀移速率，从而推导出稳态蠕变速率的表达式。

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