持久强度
- 网络creep rupture strength;endurance strength;persistent strength;long-term strength
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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 .
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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 .
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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
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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 .
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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 .
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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 .
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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 .
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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 .
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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 .
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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
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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 .
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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 ;
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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 .
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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 .
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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 .
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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 .
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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
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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
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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
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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
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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
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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
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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
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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 .
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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 ℃ .
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薄壁圆筒持久强度试验研究
The Study of Rupture Strength for Featheredge Cylinder
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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
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高温蠕变及持久强度试验机
High temperature creep and rupture testing machine
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持久强度的外推精度
Accuracy of creep rupture strength by extrapolation
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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