单晶叶片

利用通用有限元程序Marc分析了单晶叶片的振动特性，考虑了取向、温度和转速的影响。

The vibration characteristics of nickel-base single crystal blades are analyzed using the finite element code Marc , taking into consideration the effects of crystallographic orientation , temperature and rotor speed .

采用该技术制造单晶叶片，可使燃气涡轮入口温度提高222～333℃，达到2100～2300K。

With this technology to manufacture single crystal blades and vanes , turbine inlet temperature can be increased by 222 ￣ 333 ℃, and can reach as far as 2100 ￣ 2300K .

Ni基单晶叶片粘塑性分析

A viscoplastic crystallographic analysis of a nickel-base single crystal blade

单晶叶片的热弹性蠕变分析

Thermoelasticity Creep Analysis of Aircraft Engines Single-Crystal Air-Cooled Turbine Blade

单晶叶片高强度薄壁壳型研究

A High Strength Thin - wall Shell Mould for Single Crystal Blade

单晶叶片铸造过程中界面换热系数的确定

Determination of Interfacial Heat Transfer Coefficient During Single Crystal Blade Casting Process

应用多学科优化设计理论对单晶叶片晶体取向进行优化设计。

The crystallographic orientation optimization is performed by multidisciplinary design optimization theory .

单晶叶片表面贫铬层的控制

Control for Cr-Depleted Surface Layer of Single Crystal Blades

单晶叶片材料蠕变试验研究

Creep Test Study of Single Crystal Turbine Blade Material

单晶叶片应力分析方法及应用

Stress Analysis for Single Crystal Blade and Application

单晶叶片材料拉/压屈服特性的力学研究

The study of the tension / compression yield behavior of single crystal blade Superalloys

此外还进行了某种单晶叶片的实验研究。

In addition , the experimental research for a kind of single crystal blade was also made .

晶体取向的偏差和随机性对镍基单晶叶片强度与蠕变寿命的影响

Influence of Deviation and Randomness of Crystallographic Orientations on the Strength and Life of Nickel-Base Single Crystal Superalloy Turbine Blades

研究了在制造单晶叶片的壳型中添加矿化剂提高壳型高温强度的机理。

The mechanism of adding mineralizer in single crystal blade casting shell mould for enhancing high temperature strength has been studied .

目前，几乎所有的商用和军用先进发动机均使用定向或单晶叶片。

At present , directional or single crystal blades are applied in almost all of the advanced commercial and military engines .

本文介绍了高效冷却单晶叶片及其制造技术和应用前景。

In this paper , single crystal blades and vanes with high cooling effect , their manufacture technology and application are introduced .

高效冷却单晶叶片制造技术是近几年国外在研究叶片制造技术方面的重要成就。

An important achievement in researches of manufacture technology for blade and vane aboard in near years is the manufacture technology for single crystal blades and vanes with high cooling effect .

单晶空心叶片用AC-2陶瓷型芯的组织和性能研究

Microstructure and Properties of Alumina Based Ceramic Cores AC-2 for Single Crystal Blades

国外定向和单晶空心叶片用型芯的工艺特点

The Processing Characters of Ceramis Core Used for Directional and Single Crystal Blades

镍基单晶合金叶片振动特性分析

Vibration Characteristics Analysis of Nickel-Base Single Crystal Blades

高效冷却单晶涡轮叶片制造技术的发展

Development of Manufacturing Technology for Single Crystal Turbine Blades and Vanes with High Cooling Effect

作为应用研究，对某发动机单晶涡轮叶片进行了强度分析和寿命预测。

Finally , the SC turbine blades have been analyzed by the models for the strength and life .

本文的研究结果对准确评定镍基单晶涡轮叶片的剩余寿命具有参考作用。

The results of the paper can be used to precisely evaluate the remainder life of Nickel-based single crystal turbine blade .

本文提出双参数蠕变损伤模型用以模拟镍基单晶合金叶片的强度和寿命。

A two damage variable creep constitutive model has been presented for the strength and life of nickel base single crystal superalloy turbine blades .

本文在目前国内研究现状的基础上，采用试验和有限元模拟对镍基单晶冷却叶片进行较系统的研究，为镍基单晶冷却叶片的工程实际应用进行有益的探索。

Based on the actuality of present research , the Ni-based single crystal cooling blade is studied by experiment and finite element method ( FEM ) in this thesis .

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

在国内，某些发动机上亦开始使用单晶涡轮转子叶片。

In China , some aero-engines start to use single crystal turbine blades in practice .

由Hill理论及其屈服准则完成了非线性蠕变分析，得出了在2000小时后叶片的蠕变应力松弛曲线及应变曲线。这个计算结果对设计和发展单晶气冷涡轮叶片是具有实际意义的。

According to Hill 's theory and corresponding yield criterion , nonlinear creep analysis was performed for the blade and getting creep stress relaxation curves and creep strain curves at 2000 hours The obtained results are of practical significance for designing and developing single crystal air-cooled turbine blade .

镍基单晶合金气冷叶片模拟试样的蠕变性能研究

Study on the creep behavior of model specimens of nickel-based single crystal air-cooled blades

一般金属无法在如此高的温度下工作，需要采用抗高温蠕变、热疲劳性能优良的镍基单晶耐热合金作为叶片材料，同时采用适当的涡轮叶片热防护措施。

Single-crystal super-alloys are chose as the material of turbine blade because of their excellent high-temperature fatigue and creep resistance properties , with appropriate thermal protection .