早期失效

摩托车发动机轴承早期失效模式分析及对策

An Analysis of Earlier Failure of Motorcycle Engine Bearing and Countermeasures

冲槽模的早期失效分析及热处理工艺改进

Earlier Failure Analysis of Punching Slot Die and Improvement of Heat-Treatment Process

使用PE隔板的摩托车电池的早期失效方式

Discussion on the premature failure modes of motorcycle batteries with PE separators

Cu导线表面起伏程度对早期失效的影响

Impact of Cu-Wire Surface Fluctuations on Early Failures

VRLA电池早期失效原因探讨

Study on premature failure of VRLA batteries

汽油机TWC系统早期失效原因及对策

Analysis of Earlier Invalidation Reasons and Countermeasures of TWC for Gasoline Engine

提出了VRLA电池在设计和生产过程中防止早期失效必须采取的措施。

Preventive measures of premature failure for VRLA batteries during design and manufacturing process of batteries were suggested .

分析结果表明，虽然表面缺陷不是最快的失效机制，但大起伏Cu导线的表面缺陷密度是另一种的10倍以上，这是其早期失效比率高和可靠性较低的主要原因。

The analysis confirms that , although surface-defects are not the fastest early failure mechanism , the ten times higher surface-defect-density in the rougher wires is responsible for the observed high early-failure rate and unreliable performance .

但是，表面出现胞状结构，由于P含量分布不均，导致耐蚀性下降，P含量沿镀层厚度方向的梯度分布易形成针状蚀孔，引起镀层早期失效。

However , the anti-corrosion property deteriorates sometimes due to the appearance of cell-structrure in which the distribution of phosphorous is not uniform , and the gradient distribution of phosphorous along the vertical direction of the coating might lead to pitting attack resulting in early failure .

针对奥氏体/贝氏体异种钢焊接接头运行中的早期失效倾向，从实际运行一个大修期（约2万h）的1025t/h锅炉高温过热器上取样进行组织性能分析。

In view of the failure trend in early-stage operation of the title steel weld joints , specimens were taken from the high-temperature superheater of a 1025t / h boiler after a practical operation of one overhaul period ( about20000h ), and structure property analysis had been carried out thereafter .

阐述了线切割加工（WEDM）对模具寿命和表面质量的影响，并在此基础上提出了相应的改进措施，以利于提高模具使用寿命，避免模具的早期失效。

The influence of WEDM on die mold life and surface quality is stated , based on the analysis , the improvement measure is proposed , improved die mold life and avoid the early failure of die mold .

指出了抽油杆沿管内壁纵向摩擦形成沟槽状机械损伤，以及H2S、CO2和Cl-共同腐蚀是造成油管早期失效的主要原因。

It is identified that the said early failure of the tubing resulted from the groove-like mechanical damage caused by the longitudinal abrasion by the sucker rod against the tubing inside surface and the joint corrosion by H 2 S , CO 2 and Cl.

结合对涂层车刀前刀面磨损区域的观察，发现其初期磨损区域基本上与出现最大VONMISES等效应力的区域吻合，表明机械应力是导致涂层早期失效的主要原因。

The experimental results exhibit that the failed zone at initial wear stage fit the zone with the maximum Von Mises equivalent stress , it shows that mechanical stress is the main cause leading to early failure of coating .

回旋是导致PDC钻头早期失效的主要原因，介绍了一种基于挠性钻头的构想设计的抗回旋PDC钻头，阐述了其结构和抗回旋原理。

Bit whirl is a major cause of PDC bit early failure . A kind of anti-whirl PDC bit designed based on the idea of flexible bit is introduced in this paper and the structure and working principle of it is expatiated .

结合威布尔寿命模型反应的早期失效问题，评估了延长高温老化筛选时间和降低元器件失效率两类提高MTBF指标的措施。

According to the early failure problem of weibull life model , we evaluate the two methods of improving MTBF : extending the time of the high-temperature aging filter and reducing the failure rate of components .

对125MW汽轮机高压导汽管进口焊区进行了应力测试，从应力角度分析了高导管早期失效的原因，能够为采取防止失效措施、合理设计高导管焊区结构提供参考。

In order to take effective measures to avoid the earlier cracks in welded area of high-pressure steam pipes of the125MW turbine , the stress analysis under high temperature was put into practice .

腐蚀是引起GCr15制航空轴承早期失效的主要原因，选用促进钝性元素Ta用离子束动态注入的方法，来改变GCr15材料表面特性，提高其抗蚀性能，是防止航空轴承早期失效的有效途径。

Corrosion is the main reason behind the early failure of aero-bearings made from GCr 15 . Selecting inactivity-promoting Ta-element and adopting dynamic ion beam implantation method to improve GCr 15 material 's surface property and corrosion resistance is an effective way to prevent from aero-bearing 's early failure .

参照ISO2859分析了放电试验结果，对电池的有效期等进行了讨论，指出初始电量不足是电池早期失效的原因之一，建议在化学电源行业实行可靠性管理。

Topics in terms of validity were discussed and the results of capacity were analyzed by sampling method from ISO 2859 . Low-capacity is one of the failure reasons in its early stage of stand time . Reliability administration should be applied to the cell production .

并能有效地剔除早期失效的产品，为提高产品成品质量打下了良好的基础。

It lays a good foundation for improving the product quality .

应用电磁波剔除早期失效的半导体器件

Using Electromagnetic wave to Get Rid of Preliminary Failure Semiconductor Devices

发动机机油早期失效原因及预防措施

Early Deactivation Causes and Prevention Measures for the Engine Oil

简述了热作模具主要失效方式及其原因，指出热处理工艺不当是导致热作模具早期失效的重要因素并对模具的热处理工艺进行了有益的探讨。

Analyzing the main failure forms and reasons of heat forming die .

基于弹性流体动力润滑理论的轧机轴承早期失效分析

Early Failure Analysis of Rolling Mill Bearing Based on Elastohydrodynamic Lubrication Theory

电熨斗压铸模具早期失效分析

Early Failure Analysis of Die Casting Die of Electric Iron

汽车发动机轴瓦早期失效分析及防止措施

Failure of Automotive Engine Bearings & Its Analysis and Prevention

套圈锻造过烧导致的轴承早期失效

Bearing Advanced - failure Caused by Forging Superheat of Ring

气缸套和活塞环早期失效原因分析

Analysis on Early Failure of Cylinder Liner and Piston Ring

彩色显像管管座偶发性早期失效的分析与对策

Analysis and Solution of Color Tube Holder Accidental Early Failure

离合器压盘的早期失效分析与质量控制

Failure Analysis and Quality Control of Clutch Pressure Plate

冷轧工作辊的早期失效及预防措施

Early Failure of Cold Work Roll and Precautionary Measures