拉伸应变

The growing characteristic of cavities in Al-Li alloy during the superplastic plane strain and double axis tensile strain is investigated and compared.

本文研究和比较了Al－Li合金超塑平面应变和双轴拉伸应变中空洞生长的特点及空洞受到抑制的程度。

The quasi linear dependence of Raman shift upon fiber strain was first used to measure the residual thermal strain along the fiber axis.Then the same dependence was used to determine the fiber strain during pull-out test.Finally the distribution of striain along the fiber axis was converted to the distribution of interfacial shear stress.

利用纤维拉曼峰波数偏移与纤维所受应变的近似线性关系，首先测定纤维热残余应变的分布，随后对伸出玻璃基体外的纤维段施加给定的拉伸应变，沿纤维轴向用拉曼光谱术逐点测定基体内外纤维的应变，最后依据力平衡原理将应变分布转换为界面剪切应力沿纤维轴向的分布。

Experiments were arranged by adjusting the thicknesses of flyer and sample to change the tensile strain rate, in order to investigate the effect of the tensile strain rate on the spall strength.

通过改变飞片和样品的几何尺寸来调整拉伸应变率的大小，研究了拉伸应变率对20钢层裂强度的影响。

According to the curve,the spall strength,the thickness of spall scab and the tensile strain rate under different condition were obtained.

根据所得曲线波形计算出相应条件下的层裂强度、层裂片厚度以及各自的应变率，最后得到层裂强度随拉伸应变率变化的关系曲线。

One foot sensor, being a tensometer membrane, was fixed to the rubber, spherical end of the leg, and the other, a trunk tensor, being strain gauge bridge (Fig. 4), was placed between a leg and the trunk.

一个脚的传感器，作为拉伸应变片，被固定在橡皮上贴在腿的球状端；另外，躯干的张量应变片做成应变桥（图4），贴在腿和躯干之间。

Plastic strain stretching to failure at room temperature induced over 85% volume percent of martensite at all of tested steels. The higher cold rolled strain of steels, the smaller strain at which martensite transformation onset during stretching, but it didn't increase the saturate volume fraction of martensite.

所有301L冷轧板拉伸试样近断口处都发生了85 %以上的马氏体相变，轧制变形量增加，室温拉伸应变诱发马氏体转变开始的应变减小，但未增加马氏体转变饱和值。

The dissertation aims at the study on tensile strain behaviors of five different manganese content TWIP steels under various strain rates.

中文摘要本文研究了五种不同锰含量的孪晶诱发塑性钢在不同应变速率下的拉伸应变行为。

The strain hardening behaviour of five TWIP steels with different Mn content was investigated by static tensile test and metallography.

采用静态拉伸、金相组织观察方法研究了5种不同锰含量的TWIP钢的拉伸应变硬化行为。

The characteristic of the visco-elastic models and the damage models have been analyzed by the SBS modified asphalt mixture monaxial tension tests ,and coupling becomes visco-elastic and damage models in succession.

通过SBS改性沥青混合料的单轴拉伸试验，分析了粘弹性模型与损伤模型的特性，并耦合成粘弹性连续损伤模型；从能量的角度考虑了SBS改性沥青混合料的疲劳损伤特性和损伤效应，并建立了一种与拉伸应变水平相关的疲劳损伤模型。

Using the sensitive characteristic of fiber grating, the standard thread steel bar has been measured in our experiments. The data measured by FBG and resistance strain chip are compared with their theoretical values.

利用光纤光栅作为传感元件，对螺纹钢标准拉伸试验试件的拉伸应变特性进行了分析与测量，采用电阻应变片作为对比测量，并与理论值进行了比较。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。