疲劳失效

可靠性敏度分析方法及其在非线性蠕变疲劳失效模型中的应用

Reliability sensitivity algorithm and its application in creep / fatigue failure

动载滑动轴承疲劳失效过程研究

Research on Fatigue Failure Process of Dynamically Loaded Journal Bearings

SiC2（W）增强Al合金疲劳失效的特征

Characteristics of fatigue failure in a sic ( w ) reinforced aluminium alloy

CNG发动机凸轮表面接触疲劳失效分析

Surface Contact Fatigue Failure Analysis on the Cam of CNG Engine

因此，在疲劳失效判据中必须同时考虑损伤程度∑（ni/Ni）和当前作用应力水平σ（max）这两个参数。

Damage degree ■ as well as current applied stress level σ _ ( wax ) should be considered simultaneously in fatigue failure criterion .

K2转向架圆柱外弹簧疲劳失效研究

Research on Fatigue Invalidation of Helical Outer Spring for Type K2 Bogie

综合国外的研究成果，简述与分析了FRP材料的疲劳失效模式、基于能量的疲劳失效准则。

In this passage , FRP fatigue failure mode and energy-based fatigue failure criteria were depicted with the guidance of studies from abroad .

因此，有可能使用了σ-1E和W值作为预测微动疲劳失效的两个基本参数。

Therefore , it is possible to take the equivalent stress σ - 1E and friction work W as the twO basic parameters of predicting the fretting fatigue failure .

同时，对FRP片材根据临界面概念和能量理论进行了疲劳失效分析，并阐述了疲劳寿命的预测方法；

The fatigue failure analysis of FRP laminates was also presented according to the critical plane concept and failure criteria theory based on energy , while the fatigue life was predicted .

目前，进行硅微结构疲劳失效的研究主要以试验为基础，而现有试验装置无法研究体硅工艺制造的MEMS器件疲劳特性。

Currently , test is the main method of research on fatigue failure of MEMS , and there is no decice can be used to study on the fatigue failure of silicon micro-structure which is fabricated by bulk micromachining .

运用有限元软件（ANSYS）对球形进卸料结构连续萃取器的球体中间板进行了分析，结果表明所设计的球体隔板结构和厚度满足强度要求，不会发生疲劳失效。

The mid disk of the sphere in the spherical-loading - unloading extractors was analyzed by finite-element software ( ANSYS ) . The results showed that the structure and thickness of the disk could satisfy intensity requirement and not get fatigue failure .

PBGA板级电子组件在运输、使用过程中容易受到各种随机振动因素的影响而引起焊点高周疲劳失效进而使整个PCB组件发生故障。

In the process of transportation and other field applications , PBGA board assembly was easily affected by various random vibration factors , which leaded to high-cycle fatigue failure of solder joint .

发动机曲轴和齿轮的失效形式属于疲劳失效，因此，疲劳性能是应用ADI曲轴、齿轮首先要考虑的性能。

The failure type of crankshafts and gears of engines belongs to fatigue failure , therefore the fatigue properties are the properties first to be considered for application of ADI crankshafts and gears .

钻杆加厚过渡区的内过渡半径（R）及内锥体（Miu）过小，导致表面应力高度集中，引发该区域疲劳失效严重，大大缩短了钻具的使用寿命。

By reason of the smallness of transitional radius and inner pyramid , too much surface-stress concentrate on the Inner upset transitional area is concentrated , that causes many fatigue failure accidents , and severely shortens drill-pipe life .

某发动机运行期间，由于不合理的结构设计导致排气歧管关键部位的热疲劳失效，为此采用CFD技术模拟排气歧管工作时的外流场；

The thermal fatigue failure of an engine exhaust manifold happened design during its working because of the incorrect structure . In the paper , the computational fluid dynamic ( CFD ) technology was employed to calculate the external fluid of the exhaust manifold .

第三，通过研究损伤变量变化规律，定义损伤变化率得到新的疲劳失效标准，之后对AC-13、AC-20沥青混合料进行了疲劳试验。利用疲劳试验数据求出了损伤演化模型的参数z。

Then the viscoelastic parameter of fatigue life prediction model is also acquired . Third , through analyzing the damage evolution of asphalt mixture , new fatigue failure criteria was established by defining the damage rate .

用FCP方法可以很容易地解释载荷顺序作用的影响，并且可以准确定义疲劳失效的初始和最终状态，同时评估结果可用无损方法进行检验和检测。

FCP theory can explain the effect of loading sequence interaction easily , and it can define the initial and final states of fatigue failures accurately . And fatigue assessment results can be detected by nondestructive testing method .

螺纹封头结构式超高压容器防止疲劳失效的措施

Measure to Prevent Fatigue Failure of Thread Head Ultrahigh Pressure Vessel

废热锅炉取热管的热疲劳失效分析

Failure Analysis of Tube Coils in a Boiler Utilizing Waste Heat

煤气管网波纹管损伤疲劳失效机理

Mechanisms of Fatigue Failure of Bellows of Town Gas Pipeline Network

交流电诱发铜互联体的热疲劳失效行为及微观分析

Alternating current-induced thermal fatigue failure of Cu interconnects and microscopic analysis

钻铤螺纹联接载荷分布规律与疲劳失效

Mechanism and Prevention of Fatigue Failure for Drilling Collar Thread Linking

循环载荷下钢结构焊接接头的疲劳失效分析

Fatigue failure analysis of steel structure welded joint under cyclic loading

波流联合作用下海底管跨疲劳失效的分析

Fatigue Invalidation Analyses of Submarine Pipeline Span Subjected to Wave and Current

对原方案提出了改进意见，结构改进后，排气歧管热疲劳失效得到排除。

The thermal fatigue failure of the new exhaust manifold was eliminated .

热锻模具热磨损和热疲劳失效分析

Failure analysis of hot wear and thermal fatigue of hot forging dies

定向凝固合金叶片的再结晶与疲劳失效

Recrystallization and Fatigue Failure of Blades Made of a Directionally Solidified Alloy

并提出一个对于机械及生物机械元件疲劳失效的研究。

A survey of mechanical and biomechanical component fatigue failures is given .

电子封装钎料合金耦合损伤的多轴时相关低周疲劳失效研究

Damage-coupled Multiaxial Time-dependent Low Cycle Fatigue Failure for Electronic Packaging Solder Alloy

等离子喷涂铁基涂层的接触疲劳失效机理研究

Investigation of Contact Fatigue Mechanism of Plasma Spraying Fe-based Coating