蠕变强度

改进焊接工艺，采用镍基焊丝TIG焊的过渡接头可有效提高其蠕变强度和服役寿命。

Improving the welding process and using nickel based weld transition joint can improve creep strength and service life of A / F dissimilar metal joints .

结果表明，DD3合金表现出良好的蠕变强度和较高的蠕变寿命；

The results show that DD3 alloy exhibits good creep strength and great creep life .

其中在由DMA和乙二胺做联合活化剂的助焊剂情况下，Sn-9Zn／Cu焊点界面的剪切蠕变强度最好。

Comparing with using the other fluxes , the bend-creep strength of Sn-9Zn / Cu solder joint is the best by using the flux including two activators , DMA and ethylenediamine .

较详细地介绍了提高9～13Cr钢高温蠕变强度的措施。

The measures to improve high temperature creep rupture strength of 9 ~ 13Cr steel are detailed .

1100℃/4小时沉淀处理形成尺寸为0.5μm的立方状γ′沉淀，在760～1050℃整个温度范围使含Hf合金的蠕变强度远高于不含Hf的合金。

The precipitation treatment of 1100 ℃ / 4hr leads to cuboidal γ′ precipitation of about 0.5 μ m size and causes the Hf-containing alloy to have a much higher creep strength than the Hf-free alloy in the temperature range of 760 to 1050 ℃ .

将蠕变强度和瞬时强度作了比较；

The creep strength is compared with the instantaneous strength .

超临界汽轮机铸造主汽阀门蠕变强度有限元分析

Creep Strength Analysis of Super Critical Turbine Casting Main Valve with FEA

固溶处理对提高定向凝固镍基高温合金蠕变强度的作用

Role of solution treatment in improving the creep strength of a directionally solidified nickel-base superalloy

钒合金具有高的蠕变强度，可以承受比不锈钢高4～7倍的热负荷。

Vanadium alloys can withstand higher heat load than stainless steel because of higher creep strength .

σ相的析出使材料脆性变大，高温蠕变强度和耐蚀性能下降。

The σ phase caused the material brittleness to increase , while the creep strength and corrosion resistance decrease .

高温容器许用应力的确定，须考虑高温持久强度或蠕变强度许用应力。

Determining the admissible stress of high temperature vessels , high temperature lasting and creep strength must be considered .

在拉伸测试中，在氧化过程中更大金属蠕变强度会导致零生长应力。比如Ni/NiO复合物。

Higher creep strength of metal can result zero growth stress during oxidation time i.e. for the Ni / NiO composite .

结果表明：应力腐蚀作用使试验材料的蠕变强度、蠕变极限和蠕变模量均减小；

The results indicate that under stress corrosion the creep strength , creep limit and creep modulus of FRP are all lowered .

强调了对使用周期长的工程，设计时必须选用格栅的蠕变强度，而不是质量控制强度。

It emphasized that for the long-term engineering , the creep strength should be chosen in design , while not the quality control strength .

助焊剂中松香比例对力学性能的影响则更为复杂，对瞬时剪切强度和抗持久剪切蠕变强度的影响不一致。

The effect of content of rosin on mechanical properties is complicated , and the results of shear stress and creep stress measurements are inconsistent .

采用机械合金化制备、合成纳米金属间化合物及其复合材料有望克服金属间化合物固有的室温脆性及高温蠕变强度低的缺陷。

The developments of the nanocrystalline intermetallics and composites synthesized by mechanical alloying may overcome intrinsic brittleness at room temperature and low creep strength at high temperature of the intermetallics .

进而，采用时温叠加原理，对于某一给定环境温度下确定土工格栅长期强度的经验估算模式和蠕变强度折减系数。

Furthermore , a method based on the principle of time-temperature superposition is applied to establish empirical formulae for estimating the long-term strength and the reduction factor of creep strength of geogrids .

并分别总结了织构与锆合金屈服强度、蠕变强度、碘致应力腐蚀开裂、氢化物取向分布以及辐照生长等性能的相互关系。

The relationship between texture and properties such as yield strength , creep strength , iodine-induced stress corrosion cracking , orientation and distribution of hydrides and irradiation growth of zirconium alloys were summarized .

通过对耐热耐蚀合金Incoloy800H的性能分析，指出它与普通奥氏体不锈钢相比具有较优的抗氧化性能、耐蚀性和高温蠕变强度。

Performance of Incoloy 800H alloy has been analyzed . In comparison with the common austenitic stainless steel , it has better performance of anti-oxidation , corrosion resistance and high temperature creep strength .

实验还显示：焊剂中较高的松香浓度明显有益于焊点的抗剪切蠕变强度，而对瞬时剪切强度影响不大。

It was also found that higher concentration of rosin in flux is beneficial for shear creep resistance of the joints , while its effect on the instantaneous shear strength is less obvious .

利用时温叠加方法得到的移动后的应力-时间曲线，可以直接确定土工合成材料设计寿命时的蠕变强度，抗拉强度除以蠕变强度即为蠕变折减系数。

The creep strength of geosynthetics at the designed life by TTS can be determined by the curves of stress vs time . The creep reduction factor is determined with dividing the ultimate tensile strength by long-term creep strength .

结果显示，结构面产状对岩体流变性态的影响十分显著，它不仅明显改变岩体的蠕变强度、位移形态，而且控制着岩体的破坏模式及破坏条件。

The results show that the attitudes of structural plane play a dominant role in the creep characteristics of rock mass , not only influencing the creep strength and displacement distribution , but also controlling the failure condition and failure mode of rock mass .

这种组织与α+β两相区锻造下的等轴组织相比，不但具有良好的室温和高温力学性能，而且还提高了材料的高温持久、蠕变强度、冲击和断裂韧性。

Comparing with the equiaxed structure forged in α + β phase zone , this structure not only has good mechanical properties at ambient and elevated temperature , but improves the endurance and creep strength , impact and fracture toughness of the materials at elevated temperature .

根据试验结果，将蠕变强度与瞬时强度进行了比较，得出蠕变强度与瞬时强度之比为0.9左右的结论。拟合试验曲线得出了蠕变曲线经验公式，认为蠕变试验曲线接近对数规律；

The creep strength is compared with the instantaneous strength based on the test results , and the ratio of creep strength to instantaneous strength is about 0.9 . An empirical formula of creep curve is obtained by data fitting and it approaches to the logarithmic rule .

镍基合金具有良好的高温性能：较高的蠕变强度、抗腐蚀性能优越、优良的耐磨性，这使得其能在高温下长时间的工作，因而被广泛应用与航空、航天等结构的核心部件。

Nickel-base alloy has good performance at high temperature : higher creep strength , corrosion resistance , excellent wear resistance , which can work for a long time at high temperature , so it is widely used as core components in aviation , aerospace and other structures .

随Nb含量的增加，HP合金蠕变断裂强度的变化表现出极大值特征。

With the increase of Nb content , the change of the creep rupture strength of HP alloy characterizes a peak value .

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

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 % .

HAZ细晶区蠕变断裂强度低劣导致接头蠕变断裂强度降低，减小HAZ的宽度可有效地限制这种有害影响。

The inferior creep rupture strength of fine-grained zone in HAZ makes creep rupture strength of welded joint lowered , to reduce the width of HAZ is a effective measure to limit this deleterious affects .

松散土体吸水蠕变、强度衰减是散体滑坡启动的本质机理；

The loose soil mass creep and wane in intensity are the startup essence of the kind of landslides .