Dynamic mechanical thermal analysis showed that the addition of TPR improved the damping of the composite, but decreased the storage modulus and the glass transition temperature of the composite.
复合材料动态力学性能研究表明：TPR的加入提高了复合材料的阻尼性质，却降低了复合材料的存储模量和玻璃化转变温度；
Water content wand initial average principal stress pm0 have significant influences on the initial dynamic shear modulus of undisturbed loess under the condition of pre-shearing stresses.
含水率与初始平均主应力对预剪应力作用下原状黄土的初始动剪切模量具有显著的影响；
By combining with dynamic isochromate pattern, the elastic modulus, Poisson's ratio and dynamic material fringe value of the material measured can be obtained by the method.
如果和动光弹等色线结合，可以同时获得被测材料的弹性模量、泊松比、材料条纹值参数。
The method for determing the dynamic modulus adopted in the present experiment was found not only simple and convenient, but also highly precise.
文中采用的锤击力振动梁测量系统测试动弹性模量快速、简便，并有较高的精度和可信度。
It has a better flex cracking resistance than those of natural rubber but a lower tear strength and a higher dynamic modulus.
它比天然橡胶具有较好的抗挠曲开裂性能，但撕裂强度较低，动态模量较高。
This paper describes the triaxial test system which was designed for determining dynamic modulus and poisson's ratio.
本文叙述了用于测定动变形模量和动泊松比的三轴试验设备。
The larger pores in the interior of specimens may be saturated and lead to cracking, which result in the decrease of relative dynamic elasticity modulus.
内部大孔也可能饱和而引起内部开裂，导致相对动弹性模量下降。
The dynamic shear modulus ratio and damping ratio of soil are indispensability for seismic safety evaluation and soil layer seismic response analysis of engineering sites.
土的动剪切模量比和阻尼比是工程场地地震安全性评价工作和土层地震反应分析中不可缺少的重要参数。
This paper is of practical significance on both design of dynamic foundations and the resonant test for the modulus and bearing capacity of ground.
本文结果对动力机器基础设计、用共振法测定地基的变形模量和承载力具有实用价值。
The values of the dynamic shear modulus and the damping factor are close to those of sandy soil.
动剪切模量和阻尼特性接近于砂性土。影响阻尼特性最明显的因素是剪应变和周压力。
A linear relationship was found between the dynamic and static Young's modulus.
动态与静态扬氏模量之间存在着线性关系。
This dissertation mainly studies the relations between shear wave velocity, dynamic shear modulus, damping ratio and other physical indicators of soils.
本文主要研究土层剪切波速、土动剪切模量和阻尼比以及它们和土的其它物理指标的关系。
Experimental studies were conducted on concrete shear strength, static and dynamic modulus of rigidity and Youngs modulus.
对混凝土的抗剪强度、静力及动力剪切模量和弹性模量作了实验研究分析。
Masonry under the action of dynamic load elastic modulus and the complex stress state under the elastic modulus value remains to be further studied.
砌体动力荷载作用下的弹性模量以及复杂应力状态下的弹性模量取值尚有待进一步研究。
On this basis, the influences of the Poisson's ratio of soil, shear modulus of soil, shear modulus of lining and thickness of lining on dynamic response of the lining are analyzed.
在此基础上，分析了均布突加荷载作用下土体泊松比、剪切模量及衬砌剪切模量、衬砌厚度对衬砌动力响应的影响。
The storage modulus and damping factor of composites were also characterized through dynamic mechanical analysis (DMA).
此外，采用动态力学分析(DMA)进一步表征了复合材料的储能模量和阻尼因子。
The difference between static elastic modulus and dynamic elastic modulus was investigated. The effects of elastic modulus on parameter of low cycle fatigue were studied also.
考察了静力拉伸弹性模量与动态弹性模量的差别，以及弹性模量对该材料等温低周疲劳性能参数的影响。
The effects of the consolidation ratios on the maximum dynamic shear modulus and the dynamic shear modulus versus the shear strain of sands are presented by using the resonant column method.
采用共振柱试验方法，研究了固结比对砂土最大动剪切模量以及对动剪切模量比与剪应变非线性关系的影响。
A dynamic damage constitutive model was developed accounting for the effect of the initial elastic modulus of the concrete for dynamic analyses of concrete structures.
该文研究考虑初始弹模变化的混凝土动力损伤本构模型的建立方法。
It is indicated that the longitudinal wave speed, shear wave speed, as well as the dynamic Young's modulus of the Mogao grottoes increase with the increasing depth of grottoes.
结果表明，洞窟岩壁的纵波波速、横波波速、动弹模随着洞深的增加而增加；
It is shown that the change of dynamic modulus of elasticity and modulus of resistance of ground may affect the dynamic property of the tunnel joint.
分析了地基动弹模、地基抗力系数的变化对管段接头力学性能的影响。
Experiments mainly include dynamic elasticity modulus and dynamic intensity testing.
试验主要包括动弹模试验和动强度试验两项。
Other studies show that the wood static elastic modulus and the dynamic elastic modulus are different.
研究表明，木材在静载和动载下的弹性模量有所不同。
In addition, single factor effect analysis showed that polypropylene fiber has less effect on expansion ratio and relative dynamic modulus.
此外，通过单因子效应分析可知聚丙烯纤维对膨胀率和相对动弹模的作用效应较小。
Vibratory frequency has some effect on measured value of the unloaded dynamic elastic modulus. Higher vibratory frequency may decrease a little the value of the modulus.
振动频率对回弹动弹模有一定影响，高振频使测定值有所下降。
The testing method of dynamic modulus for semi-rigid materials is submitted initiatively.
初步确定了半刚性材料的动态模量的试验方法。
It can be used in plastic deformation experiments at various temperatures combined with measuring internal friction Q-1 and dynamic modulus without changing vacuums and temperature conditions.
该装置能够在不改变真空及温度环境条件下，对样品进行大载荷升温变形动态内耗及模量测试。
Rubber kind high polymer has many dynamic features such as high resilience, low-elastic modulus and viscoelasticity, which are superior to other materials.
橡胶类高聚物具有许多其它材料没有的高弹性、低弹性模量以及粘弹性等优越的动力学性能。
The theoretical basis of pulse hammer excitation method used to detect the damage and measure the dynamic elastic modulus of solid wood flooring is briefly explained.
介绍了脉冲锤击法检测实木地板损伤及测定其动态弹性模量的理论依据，并通过有限元模拟与试验验证了其可行性。
The theoretical basis of pulse hammer excitation method used to detect the damage and measure the dynamic elastic modulus of solid wood flooring is briefly explained.
介绍了脉冲锤击法检测实木地板损伤及测定其动态弹性模量的理论依据，并通过有限元模拟与试验验证了其可行性。
应用推荐