本文主要研究航空发动机机匣对断裂叶片的包容性问题。
The article mainly researched into the blade containment in the aeroengine.
对汽轮机断裂叶片进行了金相组织观察、断口扫描及能谱分析。
Metallographic observation, fracture scanning and energy dispersion spectrum analysis on the fractured turbine blade were carried out.
针对断裂叶片及拉筋进行了化学成分、金相组织、硬度、断口等分析，以便找到叶片断裂的原因。
The chemical composition, metallographic structure, hardness and surface of fracture are analyzed herein for the broken blade and lacing wire in order to find the cause of blade fracture.
机组更换了部分断裂叶片后，在启动过程中进行现场动平衡试验，以确保机组轴系振动达到优良水平。
At the meantime, it introduces the on-site dynamic balance experiment conducted after replacing partial broken blades during staring.
此外还发生过发动机叶片断裂而无法临时起飞的事故。
Engine blade fracture also happened to be temporary flight accident.
某公司立空压机一级叶轮叶片在使用过程中断裂。
Primary impeller blades of vertical air compressor were broken down in the course of use.
本文对具有断裂结构扰流柱的涡轮叶片尾缘楔型通道的流动与换热过程进行了实验研究。
The heat transfer and characteristics of the fluid flow in the duct of the trailing edge of the turbine blade with parted pin-fin arrays were experimentally investigated.
现实中，在大型水轮机长期的使用过程中转轮叶片会出现断裂的情况，这种断裂是在设计寿命之内发生的，对转轮的使用产生了极大的威胁。
In reality, long-term use of large turbine runner blades during the break occurs the situation, this fault is occurring within the design life, it pose a great threat to use of the runner.
某电厂锅炉送风机，多次发生叶片断裂事故，严重影响了电厂生产的正常运行。
The forced draft fans of a certain power station suffered repeated failures because of blade ruptures, seriously disrupting the normal operation of the power station.
叶片表面的腐蚀坑是其疲劳断裂的另一促进因素。
The corrosion pits on the blade surface contributed to such failure as an additive factor.
结果表明，高压二级涡轮叶片的断裂为过载断裂，叶片的断裂与材质或加工无关。
The results show that the fracture of the tow-stage turbine blades is overload fracture.
采用体视显微镜、扫描电镜等分析手段对K18合金增压器涡轮铸造叶片的断裂形貌与断裂机制等进行了分析。
By means of stereomicroscopy and scanning electronic microscopy (SEM), the fracture mode and mechanism of the broken K18 superalloy cast blade in a supercharger turbo were investigated.
叶片可能断裂，但整体快速最初生命是短暂的，因为太易碎或钻石刀受到过度冲击。
The blade may cut fast initially but overall life is short because the diamonds are too friable or the blade has been subjected to excessive pounding.
叙述了石横电厂1号机末级叶片的断裂情况以及对该问题的处理情况，分析了叶片的断裂、损伤原因。
The paper relates the crack situation of the last stage turbine blades of Shiheng power plant No. 1 unit and the dealing of this problem, analyses the reason of crack and damage of the blades.
结果表明，叶片的断裂模式为振动疲劳，叶片榫头与榫槽配合不当是萌生疲劳裂纹的主要原因。
The results show that the fracture mode of blade is vibration fatigue and the main cause of initiation of fatigue crack is the mismatch between rabbet and tongue-and-groove.
阐明了某机第4级压气机转子叶片在榫头部位断裂的故障特点。
The failure characteristics of compressor blade break at dovetail position. are introduced in this paper.
从风机叶片的运行工况、设计结构和受力状况以及气流流动的特点等方面，研究和分析了叶片产生断裂的原因和机理。
In light of the operating condition, design principle, stress condition and the characteristic of air flow, the cause of fracture and mechanism of primary fan was studied and analyzed in this paper.
海水泵使用两个月即发生叶轮叶片断裂事故。
The impeller vane of sea water pump was fractured just after two months.
通过对结构塑性动力学响应和叶片变形过程的分析，指出了叶片断裂时的不同转速对撞击过程及结果的影响。
Effects of rotation speed on the impact process and results are pointed out by the analysis of structural plastic dynamic response and blade deformation.
托电3号机组低压缸叶片运行仅3个月就发生了断裂。
The LP casing blade of unit 3 in Tuoketuo Power Plant is broken after only three months operation.
通过断口宏微观观察、金相组织检查、化学成分及硬度检测等手段确定了叶片断裂性质和原因。
The fracture mode and cause were analyzed and determined by fracture surface observation, metallurgical structure examination, chemical analysis and hardness testing.
本文研究的叶片的断裂位置与静力分析所求出的最大应力位置吻合，因此设法减小该位置的应力集中情况对于提高叶片的强度很关键。
Blade fracture location is match to the position of maximum stress derived from the static analysis, so try to reduce stress concentration increases the intensity of the blade is critical.
对定向凝固合金叶片的断裂故障进行了分析，在断口观察与金相组织分析的基础上，对叶片的失效模式与失效原因进行了研究，并提出了预防该类故障发生的措施。
The fracture of blades made of a directionally solidified superalloy was analyzed. The failure mode and cause were studied in virtue of fracture observation and metallographic structure analysis.
其中转轮的焊接残余应力是导致转轮叶片出现断裂的主要原因，所以对转轮叶片上的焊接残余应力的研究是非常有必要的。
The welding residual stress of the runner is the main reason which leading to the fault of the runner blades, so the study on the welding residual stresses of the runner blade is necessary.
结果表明，定向凝固合金叶片的断裂是由表面再结晶而导致的疲劳断裂失效。
The results show that the fracture on the superalloy blades resulted from the surface recrystallization on the blades.
阐明了50MW抽汽冷凝式汽轮机转子动叶片对汽轮机组安全稳定运行的重要性，分析了引起汽轮机叶片断裂的多种原因。
This paper expounded the importance of the vanes to the safety and reliability of operation of the 50 MW extraction condensing steam turbine.
分析了矿用风机叶片断裂的原因，提出了叶片模态参数的测试方法，并对一叶片进行了实测。
This paper analyses the breaking reason of mining fanner 's blade, puts forward the measuring method of blade' s modal parameters, and measured the model parameters of a blade.
分析了矿用风机叶片断裂的原因，提出了叶片模态参数的测试方法，并对一叶片进行了实测。
This paper analyses the breaking reason of mining fanner 's blade, puts forward the measuring method of blade' s modal parameters, and measured the model parameters of a blade.
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