复合材料的压缩强度随着增强体体积分数的增大而提高， 屈服应变随着体积分数的增大而减小。
With the increase of the volume fraction of SiC foam reinforcement, the compressive strength increases, but the ratio of compress decreases.
发现在相同测量方式下，随降温速率的增大或测量温度的降低，屈服应力增大、屈服时间变长、屈服应变减小。
Results show that with the increase of cooling rate or decrease of measurement temperature, both the yield stress and yield time increase, but the yield strain decreases.
屈服点是在应变有可观增加，应力没有增加的应力极限，在这个极限下，如果应变继续增加，应力就也会增加。
The yield point is the stress at which there is an appreciable increase in strain with no increase in stress, with the limitation that, if straining is continued, the stress will again increase.
土体总的变形由三部分组成：即弹性应变、与体积屈服机制相关的塑性应变和与剪切屈服机制相关的塑性应变。
The total deformation of soils consists of three parts: elastic strain, plastic strain related to volumetric yielding mechanism and plastic strain related to shear yielding mechanism.
在经典弹-塑性理论的屈服函数中引入应变梯度及考虑应变率效应的函数。
The second shear strain gradient and the function reflecting the effect of strain rate are introduced into the yield function of classical elastoplastic theory.
不是所有的材料都会产生应力-应变图，即当载荷增加时显现出开始屈服的迹象。
Not all materials produce stress-strain diagrams on which there is a clear indication of the start of yielding as the load is increased.
如该设计基于应变硬化性能，设计应力通常在HAZ实际屈服点以上。
If the design is based on the strain hardened properties, the allowable design stress will usually be above the actual yield point of the HAZ.
同时考虑了用应力与应变表示的屈服与压碎双重准则。
A dual criterion for yielding and crushing in terms of stresses and strains is considered.
如果土体应力超过其屈服应力，则土障将出现不可恢复的塑性应变，甚至导致破坏。
The irreversible inelastic strains will occur as the stresses reach to critical yield surface, even result in the failure of the clay barrier.
当应力达到屈服点，应变会急剧增大而应力保持不变。
When the stress reaches the yield point, a large increase in strain occurs with no increase in stress.
本文介绍了确定具有塑性予应变板材后继屈服条件的实验方法。
The experimental method for determine the subsequent yield condition of a sheet with plastic prestrain is introduced.
通过计算瞬时应变的大小与屈服限建立粘弹性变形和粘塑性变形的判断准则。
Under the instantaneous strain and yield limit calculated, judgement rule about viscoelastic and viscoplastic is established.
两种材料焊接接头在动载和预应变下的屈服强度和抗拉强度均有所提高，但对其塑性影响均不大。
The yield and tensile strength of the welded joints of the two kinds of materials increase under dynamic loading and prestrain condition that have little effect on the plasticity of structural steel.
横轴方向的位移荷载速度越大，纵轴方向的弹性模量越大，平台极限应变越小，而屈服应力和平均平台应力相差不大。
When the transverse loading speed becomes bigger, the axial elasticity modulus also becomes bigger, while the platform yeild strain becomes smaller, buy the yield stress changes little.
试验发现，单晶DD3的屈服特性随温度、应变率、晶向而变化。
Test results show that the yield characteristics of DD3 single crystal depend on test temperature, strain rate, and orientation of samples.
最危险点在接头的第一啮合齿的齿根处，最大应力应变值一般均超过屈服极限。
The most dangerous point is at the root of the first engaged tooth of a joint. Generally, the biggest values of stress and strain may exceed the yield limit.
韧性泡沫金属的屈服段应力随着应变的增加而缓慢增加；
The stress rises slowly with the increase of strain in the collapse region of ductile metal foams.
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.
塑性拘束较大的直缺口试样(i)的整体屈服载荷及缺口前的应力、应变和应变率比塑性拘束较小的V缺口试样(V)大。
The general yield load, stress and strain rate ahead of notches of I specimens with larger plastic constraint is larger than that of V specimens with small plastic constraint.
采用夹头分离速率控制方式对有屈服现象和无屈服现象的试样进行拉伸试验，探讨了试验过程中试样应变速率和应力速率的变化情况。
The change of strain rate and stress rate of samples with and without yielding phenomenon was studied during the tensile test under the control of grip separate rate.
屈服强度伸长—对应于材料屈服强度的应变。
Yield strength elongation-strain corresponding to yield strength of material.
当预应变超过0.95%时，反向屈服强度达到恒量。
When the pre-strain surpasses 0.95%, the reverse yield strength reaches to a constant.
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.
提出应力屈服条件的应变屈服轨迹，给出了复合胀形极限成形系数的解法；
The strain yield locus of the stress yield criterion was advanced and the strain ellipse method for calculating the limit bulging coefficient was given.
在讨论应变率变化时，获得了屈服强度随应变率增大而增高的结果。
It was obtained that the yield strength was increased as the strain rates were raised.
本文对表面微观屈服应力的测量与计算方法及表面变形的应力应变曲线进行了分析研究。
The calculation of micro-yield stress in surface layer and the stress-strain curves of surface layer deformation were studied.
泡孔尺寸不仅影响着材料的屈服强度和塑性模量等，还影响着材料的应变率敏感性。
Cell-size has a significant effect not only on the crushing stress and plastic modulus of aluminum foam, but also on the strain-rate sensitivity of material of this kind.
相对于常规奥氏体轧制，铁素体轧制薄板的屈服强度下降了20%左右，伸长率及应变硬化指数与之相当。
Compared with the strip produced by conventional austenite rolling, the yield strength of the ferrite rolled strip was lower by about 20%, with same elongation and strain hardening exponent.
通过在屈服面的切线方向增加一项非共轴塑性应变增量，即可实现对非共轴现象的反映。
In order to reflect the non-coaxial phenomenon, a non-coaxial plastic strain rate term is added to the tangential direction of conventional constitutive model's yield surface.
通过在屈服面的切线方向增加一项非共轴塑性应变增量，即可实现对非共轴现象的反映。
In order to reflect the non-coaxial phenomenon, a non-coaxial plastic strain rate term is added to the tangential direction of conventional constitutive model's yield surface.
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