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。
Transient creep limit is a power function of steady state creep strain rate.
初始蠕变极限可以表示成稳态蠕变率的函数。
The steady state creep strain rate is the function of currently stress status.
盐岩稳态蠕变率是应力状态的函数。
From this reason the creep strain and the thermal expansion can be separately examined and added.
由于这两个性质,蠕应变和热应变可分开研究,而且可线性叠加。
The maximum cumulative equivalent creep strain was located in inner solder ball and at the edge of silicon chip.
最大累积等效蠕变应变位于内层焊点,且在芯片边缘。
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。
It is pointed out that bulging strain is consisted of not only instaneous elastic strain, but also creep strain which changes with time.
指出鼓肚变形不仅有瞬时弹性变形,而且还有随时间变化的蠕变变形。
The accelerative creep shows highly nonlinear characteristics; and the creep strain rate displays a discontinuous form, which occurs in jumps change.
红砂岩在加速蠕变过程中具有高度的非线性,蠕变应变率随时间呈现跳跃增长特性。
Results the creep properties of human dura presented a linear-relationship between initial strain and stress, and the creep strain increased slowly with time.
结果人体硬脑膜的蠕变特征为:初始应变和所加的应力大体成线性关系;蠕变应变随时间缓慢增加。
The measured strain of concrete includes the elastic strain, creep strain and also the non-stress strain like the concrete free deformation and temperature strain.
混凝土实测应变包含弹性应变、徐变应变及混凝土自由变形、温度应变等非应力应变。
The creep strain rate sensitivity can be determined from the relationship between the creep hardness and creep strain rate by the definition of "work of indentation".
基于压痕做功概念定义了压痕蠕变硬度和蠕变应变速率,从而给出钎料的蠕变速率敏感指数。
It is found that the creep curves of alloy K46 consist mainly of a longer steady-state creep stage and an accelerated creep stage, which occupies the most creep strain.
K46合金的高温拉伸蠕变曲线表现出非常长的稳态蠕变阶段,而较高的蠕变塑性来自于加速蠕变阶段。
This means a reduction in initial elastic strain under application of priestess force and a reduction in creep strain, which is approximately proportional to elastic strain.
这意味着应用预应力下的初始弹性应变的降低和减少蠕变,这大约是成正比的弹性应变。
The methods of creep test to get both curves of tensile creep rupture load vs time and creep strain vs time are compared. The procedures to extrapolate the two types of creep curves are presented.
比较了获得拉伸蠕变破坏荷载-时间曲线以及蠕变应变-时间曲线的试验方法,给出了外推这两种蠕变曲线数据的处理步骤。
Impacted by creep and stress relaxation, the strain of bond coat layer increases irreversibly, and the TGO layer convolutes .
由于蠕变和应力松弛的影响,粘结层应变不可逆地增加,使TGO层的界面形貌出现起伏。
The experimental and research results indicate that non-elasticity strain associate with time in nature according to constitutive equations of the classical elastic-plastic and creep theory.
实验和研究表明:基于经典弹塑性及蠕变理论的本构方程,非弹性应变在高温下其本质上是时间相关的。
The key to concrete stress measure is the translation from strain to stress. And the transition 's key is the identification of creep factor.
混凝土内部应力测量关键在于应力应变转换,而应力应变转换关键在于徐变系数的识别。
The results of triaxial creep experiments for unloading state show that the frozen soil has an obvious dilatancy, and its volume strain should not be neglected.
卸载状态下冻土三轴蠕变试验结果表明,冻土具有明显的剪胀性,且体积应变不能忽略。
When the load is removed, the elastic portion of the strain is recovered, but the plastic part (slip and creep) remains as permanent set.
当荷载被移走时,应变的弹性部分恢复,但塑性应变部分(滑移和徐变)却会永久呆留。
The experimental results showed that the dynamic strain has feature of cyclic creep. Cyclic loading affected the creep and creep speed.
结果显示动态应变呈循环蠕变状态,蠕变的大小、速度与循环应力幅值有关。
The shortness of creep loading time and the faster frequency of fatigue load change induce general elastic strain stage to end and delayed elastic strain platform stage to begin under shorter strain.
因蠕变加载作用时间缩短和疲劳载荷变化更频繁,导致在较小的应变下结束普弹应变阶段并进入延迟弹性变形的平台应变阶段。
During the transient creep after stress decrease, it has been found that the total strain transient consists of two components, elastic strain and anelastic strain.
当外加应力突然降低后,在瞬时蠕变过程中发生了弹性应变和滞弹性应变,整个降载过程中的应变变化值与应力变化值成线性关系。
This paper gives a brief introduction of how TCA solves creep problems by using finite element method and initial-strain method, TCA's features and structure, and some application examples.
本文简要地介绍了TCA软件应用有限单元法解决弹性徐变体计算的初应变法和软件的基本特点与结构,并给出了应用实例。
The experimental items of the tests are tension of constant strain rate, creep at constant stress, and strain controlled low cycle fatigue of constant strain rate.
实验项目有等应变率拉伸、等应力蠕变和控制应变幅的等应变率塑性循环。
A numerical model to simulate isotropic, coupled creep elastoplastic damage constitutive behavior at finite strain is proposed in the present work.
本文提出了一个模拟有限应变下各向同性蠕变-弹塑性-损伤耦合本构行为的数值模型。
Based on laboratory creep tests of soils, the method for analyzing the elastic-viscoplastic stress-strain relations are presented in this paper.
本文根据土的室内蠕变试验提出了一项分析土的弹粘塑性应力—应变关系的方法。
The application of dynamic strain ageing during cycling creep of Al-Mn alloys , consisting of various compositions, is studied at the middle temperature in this paper.
研究了不同成份的铝镁合金在中温和不同应力作用下的动态应变时效,并阐述了动态应变时效在循环蠕变中的作用。
This paper presents a finite element model of local damage in creep and provides the threshold strain for damage elements.
建立了蠕变局部损伤法模型,并给出单元进入损伤态的判据和失效的临界拉伸应变条件。
Rock's characteristic of multi-interspace, the complete stress-strain curve in strength tests and characteristic curve of creep and relaxation are analyzed.
分析了岩石的多孔隙特性、强度实验的全应力-应变曲线、蠕变特性曲线和松弛特性曲线。
The strain rate was changed stepwise several times; and stress relaxation tests and a set of creep tests were performed during otherwise monotonous loading at a constant strain rate.
试验不仅实现了应变率逐步变化加载过程,同时也实现了蠕变加载和应力松弛过程。
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