实验结果表明,随着发泡剂用量的增加,混炼胶初始发泡时间缩短,制得的海绵材料的压缩应变和伸长率增加。
It was found that the first blowing time of the rubber compounds decreased, and the compress strain and the elongation of the sponge increased with the contents of blowing agent AK increased.
通过两种武汉市售蒙脱土和实验室纯化蒙脱土,采用压缩应变能、弯曲应变能的方法,进行蒙脱土改性沥青低温性能研究。
The methods of compressing strain energy and bending strain energy are adopted to study low temperature performance of montmorillonite modified asphalt with two different montmorillonites by indoo.
这样可以降低服务器的消耗,但是解压缩部件也可能导致页面响应变慢,这取决于用户的浏览器。
This can reduce the tax on your server, but unzipping (uncompressing) the components can lead to slower page response times depending on the user's browser.
同时晶须取向也影响复合材料的热压缩应力-应变曲线的形状。
Meanwhile, the whisker orientation affects the shapes of the stress strain curves of the composites.
当等效应变速率较大时,变形热效应对流动应力的影响相当显著,压缩过程基本上成为绝热过程。
While the equivalent strain rate is high, this influence is of importance and the compression process can be approximately considered as an adiabatic process.
地基沉降计算中压缩层厚度确定方法主要有应变控制法和应力控制法两种。
There are mainly two methods to determine compressed layer thickness in calculating foundation settlements, control strain method and control stress method.
摘要超声弹性成像通常只能得到组织在外部压缩作用下的纵向应变分布。
Commonly, ultrasound elastography can only obtain the axial strain distribution of tissues with an external compression.
采用等温恒应变速率压缩试验对7A60超高强度铝合金的流动应力进行了研究。
The flow stress of 7A60 ultra high strength aluminum alloy was studied by isothermal compress test at constant strain rate.
复合材料在半固态区间压缩时具有应变速率敏感性。
So the composite has sensitivity of strain rate during compression in semi-solid interval.
分析结果表明,考虑弹簧冲击压缩效应与否,对弹簧固定端动态应变历程有很大影响。
Numcrical calculations show that the impact compression effect of spring is important for dynamic strain of the fixed end.
首先,通过不同应变率下混凝土材料的压缩实验,确定混凝土材料确为率敏感材料。
Firstly, by the compression test in concrete under different strain rates, concrete has been determined as rate-sensitive material.
通过室内试验,对水泥改良土的物理性质、应力-应变关系、强度特性、压缩特性进行了研究。
Based on indoor tests, the physical properties, stress-strain relationship, intensity behaviors and compressibility of the modified soil with cement are studied in the paper.
利用背散射电子衍射取向成像技术,定量分析了具有初始织构的AZ31镁合金平面应变压缩时的孪生过程。
The twinning process in a magnesium AZ31 alloy with initial texture is quantitatively analyzed during plane-strain compression by means of orientation mapping based on EBSD technique.
分析了平面应变压缩过程中金属的非对称流动方式的进展以及产生原因。
The development and reason of asymmetric flow pattern during plane strain compression was analyzed.
对硅橡胶泡沫材料进行了45%应变压缩状态下的热老化试验研究。
The temperature ageing tests have been applied to silicone rubber foam materials which in 45% strain compressive status.
通过单道次压缩热模拟试验,得到了BS 700 MC的真应力-真应变曲线。
Through single pass thermo-simulation compression experiment, the true stress-strain curves were obtained for BS700MC.
正应力图形和剪应力图形可以分为三种类型,分别对应压缩类变形、平面应变以及拉伸类变形。
The figures can be divided into three main types, which refer to compression, plain strain, and tension, respectively.
通过对三峡花岗岩进行常规三轴压缩试验,得到不同围压下的应力—应变全过程曲线。
Based on the conventional triaxial compression tests of the Three Gorges granite, the complete stress-strain curves under different confining pressures have been attained.
采用平面应变有限元方法研究了晶须转动对晶须增强铝基复合材料热压缩变形行为的影响。
The effect of the whisker rotation on the hot compressive deformation behavior of the whisker reinforced aluminum matrix composite is investigated by the plane strain finite element method.
利用此改进了的SHPB技术对泡沫铝进行了高应变率下的动态压缩实验。
This improved SHPB method was applied to determine the compressive dynamic mechanical response of aluminum foams at high strain rate.
讨论了焊缝是否存在压缩塑性变形问题和拉达伊d应力应变原理图存在的问题。
In this paper, the problems on compressive plastic deformation in the weld and the principle of welding stress and strain described by d.
分别比较了轴向压缩胀形和复合胀形中管件支管顶部双向拉应力、应变以及支管高度等指标的变化。
The variation of two-way tensile stress, strain distribution and branch height in the axial compressive bulging and compound bulging were compared respectively.
结合压缩应力应变关系可进一步确定弹塑性失稳点的位置,从而导出压缩强度的理论公式。
Further determination of the elastoplastic instability point is facilitated by the compressional stress strain relation, which then gives rise of the final formula of the compressive strength.
利用可考虑局部破坏的非线性弹塑性有限元,对无加筋和加筋砂土的平面应变压缩试验结果进行了从小变形到破坏的全过程数值解析。
Numerical analyses of plane strain compression tests for the geogrid-reinforced sand specimens were conducted by the nonlinear elastoplastic FEM considering strain localization.
结果表明:该合金的室温压缩变形过程表现为弹性和塑性变形,弹性应变很大,可达到2%。
We found: the samples experience elastic and plastic deformation processes before fracture, and the elastic strain is very large, it is about 2%.
在热模拟单向压缩实验中,通过形变参数的变化考察了Q 235碳素钢应变强化相变的基本规律及铁素体晶粒细化效果。
The characteristics of strain enhanced transformation and ferrite grain refinement are investigated under different processing parameters by thermal simulating tests of Q235 plain carbon steel.
在等温恒应变速率压缩过程中,随着等效应变速率的增大,变形热效应对流动应力的影响程度增大。
During the isothermal constant strain rate compression process, the effect of deformation heating on flow stress increases with increasing equivalent strain rate.
就阻抗递变的多层组合飞片对靶样品的冲击压缩过程进行了一维平面应变数值模拟计算,其中,等熵线采用逐步递推法计算。
This article describe the numerical simulation for shock compression which is produced by layered flyers impacting target, in which the isentropic curve is calculated by recurrence method.
在平面应变压缩条件下,采用拉格朗日元法研究了材料缺陷对岩样应变局部化及宏观力学行为的影响。
Strain localization and macroscopically mechanical behaviors of rock specimen with and without material imperfection in plane strain compression were modeled numerically by FLAC.
在平面应变压缩条件下,采用拉格朗日元法研究了材料缺陷对岩样应变局部化及宏观力学行为的影响。
Strain localization and macroscopically mechanical behaviors of rock specimen with and without material imperfection in plane strain compression were modeled numerically by FLAC.
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