蠕变

单轴压缩岩石蠕变损伤扩展细观机理CT实时试验

CT real-time testing on meso-mechanism of creep damage propagation in rock under uniaxial compression

K式反应罐的热弹性及蠕变分析

Thermal - elastic and Creep Analysis of K-type Reaction Cylinders

用C形试样研究HK&40炉管蠕变裂纹扩展

Study of Creep Cracks Growth of HK-40 Furnace Tubes with C-shaped Specimens

细晶Al2O3-TiN复合物的高温蠕变

Creep deformation of fine grained Al 2O 3 tin Composites

氮化硅陶瓷高温蠕变行为及Y2O3和CeO2的影响

High Temperature Creep Behavior of Si_3N_4 Ceramics and Effect of Y_2O_3 and CeO_2

Si／SiC先进陶瓷材料缺口蠕变损伤的试验研究

Investigation of Creep Damage for Si / SiC Advanced Ceramics on 4-point Bending Beam with Notch

在实验的基础上，对单轴PMMA试件的蠕变型本构关系进行了研究。

Basing on experiments , the creep constitutive relations of PMMA were researched .

采用θ-ProjectConcept理论预测其蠕变寿命比常用的Norton理论有更高的预测精度。

θ - Project Concept has a higher forecast precision than that of Norton theory on creep life .

镍基单晶合金涡轮叶片蠕变分析的MARC用户子程序开发

Development of MARC User Subroutine for Creep Analysis of Nickel-based Single Crystal Blade

Nb和Mo对Fe3Al基合金高温蠕变性能的影响

Effect of Molybdenum and Niobium Additions on Greep-Rupture Properties of Fe3 Al-Based Alloys

EMP复合材料轴瓦的蠕变计算

The Calculation of Creep Deformation of EMP Composite Bushings

采用双折射法、DSC热分析法对不同拉伸级数的纤维进行了结构分析并测试了其力学性能和抗蠕变性能。

The structure and properties of the fiber during multistage drawing were measured by double refraction , DSC and mechanical test .

通过转炉炉壳蠕变变形影响因素的分析和ANSYS软件建立了炉壳蠕变变形的计算模型。

The calculation model for creep deformation of furnace shell has been established by analysis on the influence factors of shell creep deformation and ANSYS software .

研究了挤压铸造Al2O3短纤维增强铝基复合材料在350℃恒应力条件下的蠕变行为。

The constant stress creep behavior at 350 ℃ was investigated for Al_2O_3 fiber reinforced Al based composite fabricated by squeeze casting .

鉴于MSW在填埋场中的现实赋存环境，文中主要推导了低含水率MSW沉降的压缩蠕变模型。

Considering the practical circumstance of MSW in the landfill , the rheological model of low-water-contented MSW settlement is pushed over primarily .

通过对华北地震区1900年以来MS≥6.0级地震的周期和蠕变曲线的分析，得出了和粘滞模型一致的结果。

By analyzing the periods and the creep curve of the earthquakes ( MS ≥ 6.0 ) since 1900 , we obtain the same results as that by the viscoelastic model .

ZTA陶瓷复合材料的高温蠕变及延迟断裂行为研究

Study on High Temperature Creep and Delay Fracture behaviors of ZTA Ceramic Composite

以恒应力方式在Mayes试验机上对自行研制的铸造MgYNd合金进行了压缩蠕变实验。

The compress creep tests of the cast Mg-Y-Nd alloy were carried out at constant stress on Mayes fatigue machine in air .

另外，作者设计了一台适合于RD2&3型试验机的蠕变-疲劳控制装置；并讨论了C形试样极限载荷PL的计算公式。

In addition , a set of creep-fatigue controlling device which adapts for RD_2-3 tester is designed and a calculative formula of limit load PL of C-shape specimen is discussed .

基于Larson-Miller参数的蠕变持久强度数学模型

Mathematical model for creep-rupture strength based on Larson-Miller parameter

结果表明材料的高温蠕变性能与Al2O3含量有密切关系；抗蠕变性能好坏的排列顺序为Ⅱ等>Ⅰ等>Ⅲ等。

The results indicate that their creep properties at high temperature are closely related to the Al_2O_3 content , the creep resistance of the bauxites being in the order of grade ⅱ > grade ⅰ grade ⅲ .

具体求算出H-K体的蠕变核与松弛核；

Calculates the creep kernel and relaxation kernel of H-K model specially ;

通过对-5℃冻结黄土的蠕变CT扫描发现，在单轴蠕变过程中土层密度和CT值在加荷瞬间增加后持续减小，冻土的体积随时间的发展而持续增加；

Through CT scanning , it was found that the density and CT value of soil layer decreased continuously after instantaneous increase at the beginning of loading and the volume of frozen soil increased continuously with time in uniaxial creep process of frozen soil .

蠕变断裂数据符合Monkman-Grant关系。

The creep fracture data follow the Monkman-Grant relationship .

当Nb量约1.5（wt%）时，可以获得最佳的蠕变断裂强度。

With the increase of Nb con - tent the creep rupture strength of the alloy also increases and the optimal str - ength can be obtained when the content reaches about 1.5 wt % .

用矿物填料填充UHMW-PE可使其蠕变、硬度和热变形温度等缺点得以改善。

UHMW-PE filled with . mineral filler are improved in it 's properties of creep , , hardness and thermal deformation temperature etc.

文章利用描述粘弹性蠕变行为的Burgers四元件模型来模拟索膜结构的蠕变性能，推导出蠕变影响的有限元方程。

Here , creep performance of a cable-membrane structure was analyzed by using a four-element Burger model to describe viscoelastic solid creep and produce a finite element equation that considers creep affect .

EDX分析表明分散在亚晶界的碳化物析出相主要含Fe、Si、Mn等元素，说明经过蠕变后有合金碳化物析出，碳化物相的结构并未发生变化。

EDX analysis shows that the carbide precipitates in the subgrain boundary containing mainly Fe , Si , Mn and other elements , it shows that after creep the carbide alloy appear precipitation and the structure did not have changed .

计算结果显示，由于蠕变特性的存在，μDMFC膜电极工作面法向应力随着热-机械载荷循环次数的增加而增大。

Simulation results showed that because of the effect of creep , the overall normal stresses of the working plane in MEA increased with the increase of thermal-mechanical load cycles .

采用改进的时间硬化模型作为PTFE膜材的蠕变本构模型，根据膜材经向和纬向试件在不同应力水平下的蠕变试验曲线确定了本构模型中的参数。

Modified time hardening model are used as creep constitutive model of PTFE coated fabric , and parameters of modified time hardening model are determined through creep strain-time curves of of PTFE coated fabric warp and weft specimens .