持久强度

材料持久强度的高低与部件的蠕变寿命密切相关。

The persistent strength of material is closely related to the creep life of component .

通过以持久强度为主的综合分析法，对该管道的剩余寿命进行了估算。

The remnant life of the line was estimated by means of comprehensive analysis relying on persistent strength .

Al2O3/SiC复相陶瓷的高温蠕变与持久强度

Creep and stress ageing of al_2o_3 / SiC multiphase ceramics at high temperature

用CE可以对既定化学成分及热处理的钢的持久强度作出估量。

The creep rupture strength of 102 steel under the conditions of known chemical composition and given heat treatment can be estimated .

MX相尺寸较小，在高温蠕变过程中较稳定，对持久强度起着强化作用。

MX size is smaller , stable in high temperature creep process , plays an enhanced role for lasting strength .

添加微量Ce使高温持久强度得到提高的原因是氧化铈质点的弥散强化作用、位错亚结构的稳定化作用以及晶界净化作用等共同影响的结果。

The reason why it has strengthened may be the result of the dispersion-strengthening of cerium oxide particles , the stabilization of dislocation substructures and the purification of grain boundaries .

同时，纳米ZrO2弥散强化Pt的高温瞬时强度及高温持久强度明显高于纯Pt。

The tensile strength , the high temperature strength and the creeping resistance strength of the nano-ZrO_2 dispersion strengthening platinum was greatly improved compared to platinum .

Fe2Mo、M6C对维持高温长时间持久强度有重要贡献。

Fe_2Mo and M_6C are very important in maintaining the long time creep rupture strength at high temperature .

通过添加一定量Cr、Mo、si、V合金元素，能使鳍片新材料在高温下有足够的持久强度，高温硬度和优越的抗氧化、抗腐蚀性能。

It is indicates that the fin materials have adequate high temperature strength and hardness , good oxidation and corrosion resistance by adding certain amount of Cr , Mo , V , Si alloying elements .

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

微量Ce的添加对此合金的室温机械性能影响不大，但可提高合金的高温持久强度。

It is shown that the Ce addition at trace level has almost no influence on the room temperature tensile properties of the ahoy , but improves obviously its stress-rupture properties at elevated temperatures .

结果发现，随V含量增加，钢中δ铁素体量增加，室温拉伸强度、650℃拉伸强度和650℃持久强度逐渐降低；

The research results found that with V content increasing , the volume fraction of δ ferrite in steel increased , while the tensile strength at ambient temperature and at 650 ℃ and creep rupture strength at 650 ℃ gradually decreased ;

本文探求了热处理温度对P91钢焊接接头持久强度的性能影响。

The paper explores the effect of the heat treatment temperature on the rupture strength of P91 steel welding joint .

与20G钢相比，15CrMo钢具有较好的力学性能和可焊性，在350～400℃也具有较高的持久强度和蠕变能力。

CrMo steel has higher mechanical properties , better weldability , also higher strength durability and collapsing strength at 350 ~ 400 ℃, compared with 20G steel .

根据持久强度的状态函数属性和LarsonMiller参数的一般表达式，通过微分和积分运算得到高温材料持久强度的数学模型，即持久强度与瞬时抗拉强度之间的关系式。

Though the differentiating and integrating process a mathematical model for creep-rupture was derived based on the attribute of state function and the general formula of Larson-Miller parameter , which correlates the creep-rupture strength with the short time tensile strength of materials at elevated temperature .

本文对大型汽轮机高温铸件用Cr-Mo-V和Cr-Mo两类铸钢的持久强度、蠕变极限、室温断裂韧性、蠕变裂纹扩展速率等主要应用性能进行了比较研究，为合理选材提供了依据。

The vital application properties such as high temperture endurance strength , creep limit , fracture toughness at room temperature , creep crack propagation rate of Cr-Mo-V and Cr-Mo high temperature castings for large steam turbines are comparatively studied , thus providing a cue for reasonable selection of materials .

镍-铬系涂层对锅炉管材高温持久强度的影响

High Temperature Creep Rupture Strength of Ni-Cr Coated Boiler Tubes

主蒸汽管运行中持久强度变化动态研究

Study of permanent strength variation trends of main steam piping in operation

铁素体耐热钢的组织与持久强度的研究

Study on creep rupture strength and microstructure of ferritic heat resisting steels

金属材料高温持久强度的预测模型

Prediction model of rupture strength for metals at elevated temperature

汽轮机缸体用耐热钢持久强度与塑性研究

Creep Rupture Strength and Plasticity of Heat Resistence Steel for Stream-turbine Cylinder

人工神经网络预测变形高温合金的持久强度

Prediction of creep-rupture strength of wrought Ni base superalloys using artificial neural network

微量稀土提高铂的高温持久强度的机理

The Mechanisms to Improve the High-Temperature Tensile Strength of Platinum with Rare Earth Elements

这些析出物的聚集和长大将导致持久强度的降低。

Coalescence , and growth of the carbides will lower the creep rupture strength .

钢经过正火和高温回火后，在650℃下进行了持久强度和长期时效试验。

The creep rupture strength and long time aging were performed at 650 ℃ .

薄壁圆筒持久强度试验研究

The Study of Rupture Strength for Featheredge Cylinder

Ti-2%Al-2.5%Zr钛合金的高温持久强度

High Temperature Creep Rupture Strength Study of Ti-2 % Al-2.5 % Zr Titanium Alloy

高温蠕变及持久强度试验机

High temperature creep and rupture testing machine

持久强度的外推精度

Accuracy of creep rupture strength by extrapolation

合金元素对10%Cr铁素体耐热钢持久强度的影响

Effect of alloying elements on creep rupture strength of 10 % Cr ferritic heat resistant steel