• 涡轮航空发动机心脏

    Turbine disk is the heart of aero engine.

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  • 介绍了GH36合金大型涡轮锻件生产工艺

    This article has described the manufacturing process of the heavy duty GH36 alloy turbine plate forging.

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  • 文中简要介绍了涡轮枞树齿拉刀设计方法

    This thesis briefly introduces the design methods of the fir-tree tenon tooth accurate broach of turbine disk.

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  • 涡轮榫槽夹具可以保证加工精度提高加工效率

    The turbine disk trough fixture may guarantee the processing precision is high, enhances the processing efficiency.

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  • 主要用作加力燃烧室导向叶片涡轮叶片、涡轮盘喷嘴

    It can be used adding force combustion chamber, guide vane, turbo vane, turbo table and nozzle etc.

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  • 深入研究夹杂粉末冶金涡轮裂纹萌生寿命打下必要基础。

    So it establishes the essential foundation for studying the crack's initiation life of powder metallurgy turbine disks with inclusions.

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  • 反向旋转的高低压涡轮简化成了几何形状相对简单的反转系统

    The contra-rotating turbine disks of an aero-engine were simplified as a counter-rotating plan disk system.

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  • 循环疲劳试验过程中破裂某型机低压涡轮组件的残骸进行了材质断口分析

    The materials and fracture surfaces of a low pressure turbine disk assembly that was broken during LCF testing were examined. The fracture of the LP turbine disk was resulted from low cycle fatigue.

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  • 设计了涡轮低循环疲劳试验件,旋转试验进行涡轮盘高温低循环疲劳试验。

    An experimental turbine disk was designed, and the high temperature LCF test of the rotor was carried out on the spin test rig.

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  • 应用方法进行预测结果试验数据GH4169合金涡轮锻件实测晶粒一致

    The predicting results by using the method presented in the paper are in close agreement with the experimental data and measured grain size of a GH4169 alloy disk forging.

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  • 通过实验对中等转速带有微型涡轮(反预旋喷嘴)的旋转涡轮盘流动特性进行系统研究

    A very special rotating cavity with micro-turbine (de-swirl nozzles) was applied to investigate the flow characteristics inside the cavity under three mid rotating speeds.

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  • 针对涡轮材料GH4133合金,电子束采用新颖的电子束局部热处理工艺接头进行热处理。

    After electron beam welding, electron beam local heat treatment was applied in GH4133 superalloy as the turbine disk material in this paper.

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  • 广泛研究表明屈服强度晶粒尺寸冶金缺陷的存在造成涡轮用高温合金早期失效的主要原因。

    The wide range of investigations shown shut lower yield strength, coarse grain size and metallurgical flaws were the basic causes for the earlier failure of superalloy for turbine disk.

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  • 采用斯MK202发动机应力标准EGD-3提供方法涡轮的低循环疲劳寿命进行了估算。

    The LCF Ufe of the turbine disk is evaluated using the method provided by SPEY MK202 engine stress standard ( EGD - 3 ).

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  • 结构复杂尤其是新型涡轮结构尺寸圆弧转接存在处凹陷的内表面并且表面粗糙度要求高

    Its structure is very complex, particularly the wall of new turbine disk is thin, physical dimension mostly is arc switching. There are many dented surfaces and they need high roughness demanding.

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  • 采用随机有限元方法, 针对燃气涡轮-片进行了热流固耦合接触热弹塑性分析得到了随机应力应变响应;

    Heat-fluid-solid coupling and contact thermo-elastic-plastic analysis was carried for a certain turbine blade-disc, and the stress and strain-time course was obtained in this paper.

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  • 通用有限元计算程序ANSYS燃气轮机启动过程中透平一级涡轮三维模型瞬态温度应力场进行计算

    The transient temperature and stress field during starting of a turbine first stage disc's 3-dimensional model has been calculated by using the general finite element calculation program ANSYS.

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  • 首先根据转子系统连接方式确定涡轮盘应力计算边界条件然后涡轮盘进行了弹性、弹性应力热应力分析

    First, the calculation boundary was determined according to the linkage mode of the rotor, then its elastic, thermoelastic and thermal stress analyses were made.

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  • 本文先进涡轮件,纯洁均匀组织的高温合金坯件制备三种工艺,以及涡轮盘零件锻压成形技术进行综合评述。

    In this paper the three manufacturing technologies for making high quality preform, namely clean, homogeneous and fine grained preform and the forging practice of advanced turbine disk is reviewed.

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  • 应用根据这种方法所建立锻件成形设计原型系统,对FGH95合金涡轮锻件坯料进行预成形设计,取得了令人满意结果

    The preform for FGH95 turbine disk forging was designed by using the preform optimization prototype system developed by the authors, the obtained results were satisfied.

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  • 本文通过试验,对航空涡轮盘用材料GH169合金蠕变— 疲劳交互作用行为进行了研究。结果表明本文试验条件下GH169合金的蠕变—疲劳交互作用寿命有利。

    The property of GH169 alloy steel in condition of creep-fatigue interaction is studied. The result shows that the creep-fatigue interaction is beneficial to service life.

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  • 它们对于涡轮结构动力分析具有重要意义。

    They are important to the structural dynamic analysis of thick discs of turbomachinery.

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  • 本文涡轮中轴流叶轮特别是振动诱发轴向、力的性质振动的影响了分析

    The exciting sources for axial vibration of disk, especially the new axial gas dynamic force induced by travelling waves and its properties, and influence on the vibration of disks are studied.

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  • 本文涡轮中轴流叶轮特别是振动诱发轴向、力的性质振动的影响了分析

    The exciting sources for axial vibration of disk, especially the new axial gas dynamic force induced by travelling waves and its properties, and influence on the vibration of disks are studied.

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